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Add Alt Text to PDF Images in a Descriptive Tone online, free

AI-suggested alt text for every image in a PDF, reviewed by you before it is written.

  • Runs in your browser — no upload
  • Free, no sign-up, no watermark
  • PDF

Set up on this page

Tone: descriptive
How to use Add Alt Text to PDF Images · Add Alt Text to PDF Images — frequently asked questions

How to use Add Alt Text to PDF Images in a Descriptive Tone

  1. 1

    Add your file

    Drop a file on the page or click Select Files.

  2. 2

    Check the preset

    Tone is set to descriptive. You can change it before running.

  3. 3

    Run the tool

    Press start. Processing happens on your device.

  4. 4

    Save the result

    The result is delivered as PDF.

What Add Alt Text to PDF Images can do

  • Processing — Needs Cloud AI (Claude). The extracted content goes through our zero-retention proxy only after you agree
  • Tone: short and descriptive
  • Private by design — files are processed in your browser and never uploaded
  • Free with no sign-up, no watermark and no daily limit

Add Alt Text to PDF Images — frequently asked questions

What does this page set for Add Alt Text to PDF Images in a Descriptive Tone?

Tone: descriptive. All of these stay editable.

Is my file uploaded?

No. On the web this tool runs in your browser, so your file is not uploaded.

Are there limits?

It takes one input per run. Server jobs accept up to 2 GB. A job can run for up to 600 seconds. In the browser, the practical limit is your device's memory.

Is Add Alt Text to PDF Images really free?

Yes. Add Alt Text to PDF Images is free forever on Sada Files — no ads, no premium tier, no watermark, no daily cap that pushes you to pay. Every option on this page is available to everyone.

Do I need to sign up or create an account?

No. There is no account system at Sada Files. Open the page, drop your file, pick your options and save the result. History and saved workflows stay on your device.

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