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Sign PDF

Add a digital signature to your PDF

100% private. Your files and inputs never leave your device — everything runs locally in your browser.

Sign PDF

Add a digital signature or signed name to your PDF document.

Drop files here or click to browse

Accepts: .pdf

Max 50.0 MB per file

Options

Signature will be added to the first page. Upload a signature image or type your name.

Upload a PDF file above to enable processing.

Features

  • Draw signature
  • Upload signature image
  • Type signature
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How to Use Sign PDF

Add a digital signature to your PDF. No signup, no uploads, no watermarks.

  1. 1

    Add your PDF file by dragging it into the upload area or clicking to browse.

  2. 2

    Choose the options you need — pages, order, quality, or output format.

  3. 3

    Click the process button and wait a moment while everything runs in your browser.

  4. 4

    Preview the result, then download it to your device. Your file never leaves your computer.

Why choose Sign PDF?

  • No uploads — your files never leave your device.
  • Free forever with no signup, no watermarks, and no limits.
  • Works on any device with a modern browser — no installs.
  • Fast, private, and built for getting the job done in seconds.
Try Sign for free

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