Accessible Beamer Slides: beamer to ltx-talk Service

We make LaTeX lecture slides accessible in one of two ways: by converting Beamer to ltx-talk, or by producing an accessible companion document alongside your existing slides. Under ADA Title II, the slides you share with students are expected to meet WCAG 2.1 Level AA, and if your slides are built in Beamer, no setting will produce a compliant file.

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Accessible Beamer Slides - Beamer to ltx-talk service

Accessible Beamer Slides: beamer to ltx-talk Projects

Why Beamer Cannot Produce an Accessible PDF

An accessible PDF is a tagged PDF: beneath the visible slide it carries structure that identifies headings, reading order, lists, and figures for a screen reader. Beamer was not designed to write those tags, and the LaTeX team has confirmed that adding them to Beamer is not on its roadmap. The requirement and the tool are incompatible.

Tagging the exported PDF by hand in Acrobat is not a durable solution for lecture slides. Reading order across overlay builds is difficult to establish, every equation must be described manually, and the tags are discarded whenever a slide is edited and the deck recompiled. For material that is revised and re-taught each term, the correction has to originate in the source rather than in the finished PDF.

How We Make Your Beamer Slides Accessible

We use one of two approaches, determined by the deck and confirmed with you before work begins.

Option A

Converting Beamer to ltx-talk

ltx-talk is the presentation class developed by the team behind the LaTeX tagging project, designed to produce tagged, accessible PDFs. Its syntax is close to Beamer's, so frames and overlays carry over with limited rework, and the source remains yours to edit and recompile each term with the accessibility preserved. ltx-talk is recent, first released in 2025 and still under active development, and it requires a current LaTeX with LuaLaTeX. The substantive work is in the content an automated converter cannot handle correctly: multi-step overlays, staged TikZ diagrams, code listings, and dense mathematics, where reading order and figure descriptions have to be established by hand. Mathematics is output as MathML, navigable by a screen reader, rather than as an image with a text label. This approach suits instructors who intend to continue teaching from LaTeX slides.

Option B

An accessible companion document.

For decks that rely heavily on custom themes or animation, rebuilding in ltx-talk is not always warranted. In those cases we retain your Beamer slides for projection and produce a tagged, accessible PDF or HTML document that carries the same content in a form screen readers handle reliably. For older material this is frequently the faster and more economical route, and often the more useful format for students.

Pricing and Volume

Pricing is per deck. A single lecture is a small, self-contained job; a full course or a department's back catalog is priced at a lower per-deck rate, since the work shares setup across the set. Teaching and learning centers use this to address the accessibility backlog for a program's materials without requiring each instructor to acquire LaTeX accessibility expertise.

For either approach, the deliverable is:

a tagged PDF that meets WCAG 2.1 Level AA

the editable source

a note stating what to open the file in and what a screen reader should read, so that you or your accessibility office can verify it directly

Free Conversion for The First Beamer Slide

Send one Beamer slide through the free Beamer accessibility checker or by email to [email protected]. We will convert it to accessible Beamer slide as per your chose option a) Beamer to ltx-talk or b) Accessible companion document.

You can check your beamer Accessibility by using our free Beamer accessibility checker

Frequently Asked Questions

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Get Beamer Slide Converted to ltx-talk and Make Your Presentation Accessible

We make LaTeX lecture slides accessible by converting Beamer to ltx-talk, or by producing an accessible companion document alongside your existing slides.