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

Upload file

Add file from your device to get started

Drop your file here

Drag & drop, paste, or click to select file for Rewrite in a Formal Tone.

Or drag and drop a file here

PDFDOCDOCXODTRTFTXTJPGPNGWebPAVIF+5 more

Rewrite in a Formal Tone 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

Set up on this page

Tone: formal
How to use Rewrite / Proofread (AI) · Rewrite / Proofread (AI) — frequently asked questions

How to use Rewrite in a Formal 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 formal. 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 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 does this page set for Rewrite in a Formal Tone?

Tone: formal. 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 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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