Sign PDF Online Free

Add your handwritten signature or upload a signature image to any PDF page in your browser.

Drop files here or click to upload

Max 100 MB

Sign PDF online free by drawing your signature or uploading a signature image directly in your browser with no registration or file upload required.

Last reviewed: June 2026

How to use this tool

  1. 1Choose the PDF you want to sign.
  2. 2Draw your signature on the canvas or upload a signature image file.
  3. 3Select the target page and drag the signature to the desired position.
  4. 4Click Process and download the signed PDF.

Common use cases

  • Sign a contract or agreement without printing and scanning.
  • Add your initials to a multi-page document for review.
  • Place a company stamp image on official documents.

Technical notes

  • The signature is embedded as an image layer on the selected PDF page.
  • This is a visual signature, not a cryptographic digital signature with a certificate.
  • PNG images with transparent backgrounds produce the cleanest results.
  • Processing is instant for single-page signatures — no heavy computation needed.

Private by design

This tool runs in your browser. Your file is not uploaded to our server while using the tool.

Limitations

  • This tool does not create legally certified digital signatures (PKI).
  • Only one signature can be placed per processing session.
  • Signature positioning is approximate — always review the output before sharing.
  • The signature cannot be removed once the PDF is saved.

Frequently Asked Questions

Is an electronic signature added with this tool legally valid?

This tool adds a visual signature image to a PDF. Legal validity depends on your jurisdiction and use case. For contracts requiring certified digital signatures, use a qualified e-signature service.

Is my signature stored anywhere?

No. Your signature is drawn or uploaded in the browser and used only for the current session. Nothing is saved or uploaded to a server.

Can I sign PDF without printing?

Yes. Draw or upload your signature and place it on the PDF page directly in your browser — no printing needed.

What signature formats are supported?

You can draw a signature on the canvas or upload a PNG or JPEG image. PNG with transparent background is recommended.

Can I place the signature on any page?

Yes. Use the page selector to choose which page receives the signature, then drag to position it.

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