Sign PDF Online Free - Add Signature to PDF

PDF tool

About Sign PDF

Sign PDF files online free by drawing a signature or adding a signature image. Processing stays in your browser. The work happens in your browser, so the selected PDFs stay on your device while you prepare the result.

Completing sign pdf tasks quickly without installing desktop software.

Handling PDF files privately because the selected files stay in your browser.

Practical notes

Draw signature
Upload signature image

Common questions

Are my PDF files uploaded?

No. This PDF tool runs in your browser and keeps the selected file on your device.

Is this PDF tool free?

Yes. You can use it without an account or watermark.

Does it change the original PDF?

No. The original file stays unchanged and the result is saved as a new download.