Sada Files
  1. 1Choose file
  2. 2Adjust
  3. 3Download

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PDFFILE

Proofread PDF online, free

Fix grammar and tone in extracted text and export back to DOCX.

  • Runs in your browser — no upload
  • Free, no sign-up, no watermark
  • PDF
  • Word 97–2003 (DOC)
  • DOCX
  • ODT / ODS / ODP
  • RTF
  • TXT
  • JPEG
  • PNG

About PDF

Portable Document Format — fixed-layout pages with text, vectors, images, forms and signatures. The universal format for sharing and printing documents.

More about PDF
How to use Rewrite / Proofread (AI) · Rewrite / Proofread (AI) — frequently asked questions

How to use Proofread PDF

  1. 1

    Add your PDF file

    The picker on this page only accepts PDF files.

  2. 2

    Adjust the settings

    The settings start at the Rewrite / Proofread (AI) defaults, ready for PDF input.

  3. 3

    Run the tool

    Press start. Processing happens on your device.

  4. 4

    Save the result

    The result is delivered as DOCX, TXT.

What Rewrite / Proofread (AI) can do

  • Processing — On-device keeps files private. Cloud AI (Claude) sends the extracted content to our zero-retention proxy, only after you agree
  • Tone: keep, formal, friendly and concise
  • Private by design — files are processed in your browser and never uploaded
  • Free with no sign-up, no watermark and no daily limit

Rewrite / Proofread (AI) — frequently asked questions

What is PDF?

Portable Document Format — fixed-layout pages with text, vectors, images, forms and signatures. The universal format for sharing and printing documents.

Does Rewrite / Proofread (AI) work with other formats?

Yes. The main tool also accepts PDF, Word 97–2003 (DOC), DOCX, ODT / ODS / ODP, RTF, TXT, JPEG, PNG, WebP, AVIF, GIF, BMP, TIFF, HEIC / HEIF.

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 Rewrite / Proofread (AI) really free?

Yes. Rewrite / Proofread (AI) 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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