Google Slides accessibility is not merely a question of whether a translated presentation fits on the screen. A person attending an online lesson, policy briefing or professional meeting may need to follow spoken content with captions, navigate a slide with a screen reader, understand a complex image through a description, or return later to an accessible copy. The source slide deck may be clear to its author while a translated deck creates clipped text, unexplained color coding, strange reading sequence and visuals that cannot be interpreted without sight. Making the presentation useful means checking meaning, structure and delivery together.
This Google Slides accessibility tutorial explains how to prepare multilingual presentations with readable slide titles, useful image alternative text, coherent content sequence, accessible charts, descriptive links, speaker notes and live captions where supported. It also covers co-authoring, translation review, keyboard access, sharing permissions, export to PPTX or PDF, and the difference between a visually polished deck and a presentation audiences can actually follow. Teachers, corporate trainers, translators, NGOs, conference organizers and public information teams can apply the same review principles worldwide.
For an immediate test, open five representative slides: a title, a diagram, a data chart, a bilingual quotation and a closing action. Inspect every text and image object, add meaningful alt text where needed, and navigate the presentation using the keyboard and a supported screen reader. If delivering live, rehearse captions under the actual microphone, language and network conditions; automatic captioning is assistance, not a certified verbatim translation service. Ask someone unfamiliar with the deck to describe the main conclusion and next step. Test the exact link or exported file that the audience will receive.
- Separate live-presentation access from the readability of the shared slide file
- Use meaningful slide titles, object descriptions, explanatory notes and trustworthy chart data
- Handle source and target languages, text expansion, right-to-left scripts and region-specific examples without changing the message
- Rehearse captions, audio, motion and audience participation in realistic conditions
- Verify permissions and accessibility of every exported or downloaded version
For general decisions about equivalence of meaning, see Master Art of Translation and the Translate Like a Pro Series Index. This guide specifically concerns the Google Slides authoring and delivery workflow. Microsoft PowerPoint has separate tools and its own dedicated accessibility guide; a step that works in one editor must not be assumed to exist identically in another.
The two different audiences for an accessible slide deck
A live audience receives time-limited information delivered by a presenter. Captions, adequate text size, non-color-only explanations, spoken descriptions and accessible question channels matter. Someone reviewing the file afterwards has a different task: moving between slides, reading every meaningful element, identifying sources, opening links and finding an answer. A deck can succeed live but fail on later review, or vice versa. Treat these as two distinct acceptance tests.
A visual slide may contain several independent objects: title, subtitle, picture, arrow, statistic and footer. Their order of creation is not necessarily the order of explanation. Assistive reading behavior depends on the format, editing environment and navigation setup. Rather than trusting a visual screenshot, test the reading path in Google Slides and, where needed, in the exported file. Meaningful speech notes, descriptions or an accessible companion handout may be necessary for complex information.
Slide titles are not decorative. A title should tell an unfamiliar reader what the slide contributes, preferably in words that distinguish it from the preceding and following slides. A heading like ‘Results’ repeated on eight slides conceals the sequence; ‘Costs fell after the policy change’ offers context. Translation should preserve a claim’s uncertainty: do not turn ‘may reduce’ into ‘will reduce’ merely to fit the title box.
An end-to-end Google Slides review workflow
Start with audience and medium. Is the deck presented live, self-read, recorded, downloaded or embedded in a learning platform? Record the source locale, target locales, intended viewers, accessibility needs and which copy is authoritative. Inventory slide titles, chart data, images, speaker notes, linked files, video, animations and embedded content. Separate expressions that can be translated from brand names, numbers, official identifiers and citations that need exact preservation.
Create one accessible master pattern for the main slide types before translating the whole deck. Use real text for information that should be selectable and readable. Add text alternatives for images that carry meaning; if a chart requires dozens of values, supply the key conclusion and a usable table or companion document rather than stuffing every number into one inaccessible graphic description. Use sufficient contrast and readable typography, then check actual projection and mobile conditions.
Review translated content in context. Text expansion may be greater in German than English; Arabic or Hebrew may change alignment expectations; Japanese text may need different line wrapping. Do not solve every problem by shrinking type. Reflow, divide dense slides, change charts, or write a clearer but equivalent phrase approved by the language reviewer. Keep critical conditions and data labels intact. A false simplification is not improved accessibility.
Before release, perform three demonstrations: someone follows the live talk, someone navigates the file with a keyboard or screen reader, and someone opens the shared or exported resource without author privileges. Confirm that essential information survives captions, notes, export and permissions. Record known limits honestly. Automated speech recognition can mishear proper names, numbers or non-English phrases; it should not be the only channel for safety-critical instructions.
Thirty multilingual Google Slides situations to rehearse
1. The slide title is only a picture
A speaker has placed the conference title in a decorative image and left the title placeholder empty. Keep the visual identity if desired, but add the presentation title as ordinary text. If the logo contains important wording, give that wording an appropriate accessible equivalent. This is especially important in a translated deck because a visual wordmark can remain in the source language while the audience expects an accessible target-language title.
Ask a reader to identify the talk and speaker without seeing the image. Check that the file title and the opening slide do not contradict one another. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
2. Every slide is titled Information
A public policy briefing repeats the same generic label on most slides. Write a specific title describing each contribution, such as ‘Who qualifies for the housing grant’ or ‘Documents required before submission’. Where a slide contains a tentative claim, preserve its uncertainty and conditions. This makes navigation by slide list useful and prevents translated titles from becoming vague placeholders.
Ask an unfamiliar reader to jump directly to eligibility or appeal. They should not need to visually scan every slide to find the relevant section. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
3. A chart has no plain-language interpretation
A bar chart appears after a slide promising evidence for improved attendance. Add a short interpretation and access to the supporting values. The image’s description should communicate the comparison and avoid exaggerating the effect. An increase from 60 to 65 percent is five percentage points, not necessarily a five percent relative increase. Translators must preserve that distinction.
Have a reader summarize the movement and identify the baseline. Confirm target-language labels match the actual axis units. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
4. The chart’s legend relies on color
The legend distinguishes three treatment groups only by red, blue and green. Add series names and, where possible, differentiated markers or direct labels. The presenter should say the relevant category aloud rather than pointing to ‘the blue one’. Review the accessible description because a color name alone does not explain the category.
Test the slide in grayscale and without sight. Each group must still be identifiable, and the interpretation should remain faithful to the data. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
5. Decorative icons interrupt the explanation
Every bullet point begins with an elaborate pictogram inserted as a separate image. If the icons do not carry unique information, avoid describing them repeatedly. If one icon means a different status, state the status in text. A screen reader should reach the main point rather than a long catalogue of repeated shapes.
Listen to the slide in sequence; determine whether each announcement advances the message or merely reproduces decoration. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
6. The diagram contains an essential decision path
A process slide uses arrows and diamonds to show approval, refusal and appeal, but the slide text only says ‘workflow’. Write a parallel ordered explanation of the stages and branching conditions in a speaker note, adjacent text or accessible companion resource as appropriate. Do not rely on arrow directions to convey who has authority.
Ask someone to identify what happens when a document is incomplete. Their answer should match the source decision path exactly. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
7. A screenshot contains untranslated interface labels
A tutorial includes a screenshot of a registration form with English button labels, while the accompanying Arabic caption names different controls. Verify the current interface and write actionable guidance referring to stable labels or locations. If the screenshot is necessary, explain the relationship between its source-language words and the actual localized user interface.
A tester using the target interface should find the correct submit control without following a guess based solely on the image. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
8. The text is readable only on a laptop
A dense legal slide contains 150 words in small type. Reorganize into a concise visible summary with a detailed accessible handout and references. Enlarging text matters for projection and phones, but oversimplifying legal obligations would distort meaning. Split dense content where it helps comprehension and keep the conditions in a source readers can access.
View at a realistic conference distance and on a mobile screen. Confirm every mandatory condition remains discoverable in the shared material. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
9. A German translation overflows the box
A translated title is substantially longer than the English original. The tempting fix is to lower the font size to ten points, destroying readability. Instead, review the actual message, consider a shorter approved title, use a second line or restructure the slide. The translation must still state who, what and under what conditions.
Check normal view, projected view and export; no characters should be clipped or hidden behind an unrelated object. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
10. A right-to-left slide mixes scripts
An Arabic slide includes English product names, numbered steps and code snippets. Check alignment and visible reading flow without reversing immutable codes or changing punctuation. Keep reference numbers copyable and test the spoken sequence. An aesthetically mirrored slide is not automatically semantically correct.
Compare sample tracking codes against the source character for character and ask a target-language reader to follow the instruction in order. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
11. The speaker points to an unlabeled shape
During a training session, the presenter says ‘look at this circle’ while the diagram contains several circles. Replace gesture-only references with explicit names such as ‘the second approval stage’. Provide a short description of the relationship before referring to the figure. This also improves recorded sessions and translated transcripts.
Listen to a rehearsal without video. The main reasoning should remain understandable from speech, captions and supporting text. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
12. Captions misrecognize a medical term
The live automatic caption system consistently mishears a medicine name. Do not assume auto captions are reliable for clinical instructions, legal names or numbers. Rehearse pronunciation, provide approved terminology in the supporting materials and consider qualified human captioning or interpretation when the risk requires it.
Review a transcript sample with a domain expert. Important instructions must be correct independently of speech-recognition errors. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
13. Captions are mistaken for translated subtitles
A presenter speaks English and expects viewers to receive accurate Arabic captions automatically without verifying platform capabilities. Distinguish speech-to-text captions from human translation, interpretation and separately authored subtitles. State which language and accessibility services are actually available in the selected environment.
Test the real presentation configuration before announcing multilingual caption access to participants. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
14. Live captions cover the bottom line
A speaker puts a critical URL and submission deadline at the very bottom of the slide, where presentation captions may overlay it. Move essential information into an accessible, clearly visible location and provide the link in a companion handout or chat channel. Captions and the slide content must coexist without forcing the audience to choose.
Enable captions during rehearsal and verify that no required message is obscured. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
15. The video has speech but no accessible alternative
A training deck embeds a short narrated video with no captions or transcript. Prepare accurate captions and, when essential action is shown only visually, a description or accessible transcript. Verify language variants individually. An automatically translated caption can change the identity of actors, units or timing.
Watch with audio muted and then without video; check whether both routes convey the necessary facts. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
16. Autoplay motion creates comprehension problems
An animated series of boxes appears rapidly to demonstrate a sequence. A reader with different processing speed may miss steps or experience unnecessary movement. Offer a static, clearly ordered explanation and control timing when possible. A translated narration may require more time than the source, especially with longer phrases.
Rehearse at the target language’s actual speaking pace and check whether the key sequence remains understandable. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
17. Speaker notes contain the only definition
A lecture slide shows a technical acronym while its definition appears only in the presenter’s private notes. If the audience needs the definition, put it into a slide description, visible line or accessible companion notes. If notes are shared, ensure they are actually present in the published format.
Ask someone who did not attend live to explain the acronym from the delivered material, without asking the presenter. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
18. A slide links to the wrong country’s form
A translated government briefing retains the link to the source country’s application form. Confirm which authority owns the procedure and whether the target audience should use a regional destination. Never form a new URL by guessing a country suffix or replacing a path segment.
Open the shared presentation in a viewer account and follow the link to verify the real destination and its current instructions. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
19. Dates are ambiguous across regions
A timeline shows 04/05 as a deadline. Depending on locale, that can be read as April 5 or May 4. Write an unambiguous month name and include a year and time zone if needed. Translation should not quietly change the actual scheduling commitment.
Ask two target-region reviewers to identify the same deadline, then compare it with the event organizer’s authoritative record. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
20. A slide image has unreviewed generated alt text
An editor assumes automatically suggested alt text accurately explains a chart. Read any generated description and correct omissions, false inferences or visual details irrelevant to the reader’s task. In a translated slide, the description must convey the approved claim, not an invented conclusion from the picture.
Ask whether the alternative would let a nonvisual reader answer the same central question as a sighted reader. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
21. Audience questions have no accessible route
The speaker requests questions through a visually displayed QR code only. Supply a descriptive link and an alternative method, such as a clearly announced email or moderated question channel. Make sure any chosen tool works with keyboard navigation and the participant’s permissions.
A participant should submit a sample question without scanning the QR code or being required to use a phone camera. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
22. Collaborators overwrite approved language
A deck is shared with many editors, one of whom changes the translated terminology after language approval. Establish ownership of the release copy, track changes and conduct a final read after the last edit. Comments help discussion but are not evidence that every last-minute revision was checked.
Compare the released slide with the approved wording, including notes, images and alternative text. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
23. A decorative shape is confused with a button
A rounded rectangle on the slide looks like an interactive Next button but is merely a static label. Avoid falsely implying interaction. If the presentation has links or navigation controls, make their destinations and behavior clear. In a self-paced deck, test that navigation is possible without clicking tiny decorative targets.
Ask a new viewer to navigate forward, back and to a chosen section without being misled by nonfunctional shapes. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
24. A table uses too many columns
A research slide compresses sixteen category columns into a tiny grid. Present the main comparison clearly and provide an accessible detailed table or dataset in a linked resource. Be transparent about what is omitted from the slide. Translate categories accurately and do not alter the numeric order to suit visual design.
A reader should be able to retrieve the exact value supporting the slide’s claim from the linked material. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
25. A culturally specific example hides the concept
A language lesson explains probability through a local holiday game unfamiliar to foreign learners. Keep the original example if culturally instructive, but define the necessary context or add an approved parallel example. Accessibility includes cognitive clarity: do not assume everyone understands an image, joke or idiom.
Ask someone from the target region to explain the mathematical or conceptual point without needing the presenter to decode the cultural reference. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
26. The font omits characters in the target script
The source font displays Latin letters well but renders some Thai or Devanagari glyphs inconsistently. Check font coverage and use a reliable fallback or suitable font. Do not convert text to images to hide missing characters; that sacrifices searchability, selection and speech access.
Inspect real slide text at multiple zoom levels and confirm the content can be selected and copied without corruption. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
27. The shared PDF is missing structural meaning
The editable deck looks good, but someone distributes an exported PDF. PDF reading order, tag structure, accessible links and selectable text must be reviewed independently using relevant tools and a realistic reader task. An accessible Google Slides source does not establish conformance of the resulting PDF.
Ask a reader to move through the PDF and identify a chart conclusion. If the output fails, correct and re-export or provide an accessible companion format. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
28. The presenter uses two conflicting versions
A live speaker uses the revised English deck, but the distributed French deck contains last week’s price and older eligibility rule. Establish a release manifest mapping language, version, effective date and authoritative owner. Update all formats from the approved facts, not from memory or a screenshot.
Compare a set of critical figures and conditions across the spoken presentation, translated slides and the downloadable handout. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
29. The slide deck is private to its author
An organizer emails a Slides link that opens only for members of their organization. Test permissions with the intended audience while protecting confidential information. If public access is inappropriate, specify an approved request process and ensure it is itself accessible.
Open the link using a representative viewer account without author privileges and verify the exact viewing and download permissions. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
30. A recording omits the audience’s questions
A live event has accessible captions for the presenter but not for questions asked from the audience. For a public recording, arrange to capture or restate questions clearly and prepare an accessible transcript of key exchanges. Do not publish an edited answer that makes sense only to those who heard a missing question.
Review the finished recording with captions alone. The dialogue should be comprehensible and essential corrections should be preserved. When documenting the result, include which language, presentation mode and delivered format were tested, not simply that the slide looked right on the editor’s screen. If a viewer could reach the wrong decision because of a missing description, broken path or changed translation, classify the issue by its real audience impact and retest after correction.
A rigorous release checklist for organizers
- The intended audiences and presentation modes are documented.
- Every meaningful slide has a specific title; visual-only text is not the sole source of essential wording.
- Important images and diagrams have usable descriptions or accessible equivalent content.
- Charts identify units and comparisons; color is not the only cue.
- Target-language text remains readable without microscopic fonts, clipping or broken script shaping.
- Live captions and microphone conditions are tested; limitations are communicated accurately.
- Multimedia has captions, transcripts or equivalent support appropriate to its use.
- Links and audience question channels have descriptive, reachable alternatives.
- The shared file, exported formats and permissions are tested as a viewer rather than an author.
- Important claims, dates, figures and conditions match the approved source across versions.
For a large international event, test three different environments: the presenter’s original device and projection, a remote attendee’s browser with captions enabled, and the downloadable file using keyboard or assistive navigation. Record the actual outcome of a task—finding an eligibility condition, understanding a trend, accessing an application—not simply that the slide was displayed. Where full accessible interaction cannot be provided within the deck, an accessible companion handout can carry detailed evidence while the slides remain a concise overview. The companion resource must be easy to find and accurately synchronized.
Frequently asked questions
Is Google Slides the same as PowerPoint’s Accessibility Checker?
No. Google Slides and Microsoft PowerPoint provide different authoring interfaces, features and export paths. Do not assume that a PowerPoint-specific checker or reading-order pane is identically present in Slides. Inspect objects, meaningful text and the actual reading route using supported tools and independent review. Test exports separately rather than treating formats as interchangeable.
Are live captions the same as translation?
No. Captioning transcribes speech into readable text, while translation transfers meaning to a different language. A service may support particular languages and configurations, but automatic captions can mishear technical terms, proper names, numbers and accented speech. Confirm what the exact platform version and event setup can do before promising multilingual accessibility.
What should slide alt text explain?
Describe the information the object contributes to the slide’s purpose. For a diagram, identify the relationship or necessary path; for a chart, provide the key comparison and point to underlying data. Do not merely say ‘image of chart’ or recite every decorative detail. A description must not claim more than the evidence actually supports.
How much text belongs on one slide?
There is no universal sentence count that guarantees accessibility. A slide should remain readable at the intended size and support the audience’s main task. Complex terms, evidence and qualifications can live in an accessible companion resource, provided the slide does not conceal a condition that changes the message. Split content when it improves understanding without fragmenting a necessary logical sequence.
How do I handle a right-to-left translation?
Review the reading direction, alignment, mixed-script names and number sequences in the target language. Avoid manually reversing digits, reference codes or URLs. Test copy-and-paste and the actual reader interface, because visually mirrored content can still be semantically incorrect or hard to navigate.
Can a screen reader explain any diagram automatically?
No. Assistive technology can announce accessible text and semantics that the author and platform provide, but cannot be assumed to infer every meaningful relationship in a complex diagram. Important branching choices, comparisons and conclusions need equivalent descriptions or structured data reviewed by a person who understands the subject.
Should I distribute PDF, PPTX or a Google Slides link?
Choose based on audience needs, permissions, available tools and the task. No single format can be declared accessible without examining the actual output. If more than one version is offered, check each independently, maintain consistent figures and dates, and make clear which copy is current.
When is a problem serious enough to block publication?
Block release when a viewer cannot access required information or when an inaccurate translation, missing qualification, obscured number, broken link or inaccessible interaction could materially change a decision. A decorative alignment imperfection may be a minor issue; a hidden safety instruction is not. Record limitations and prioritize user impact.
Final perspective
The strongest multilingual presentation does not ask its audience to guess what the speaker meant. It shows the central idea, names the essential evidence, provides an accessible way to explore the details and keeps every language aligned with the facts. Google Slides is the editing environment, not the final test of success: verify the live session, the self-read version and every file that viewers actually receive.