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Sign PDF

Add a visual signature to a PDF online with PDFextreme. Draw or upload a signature and place it on your PDF in your browser whenever possible.

Browser-based PDF tools processed privately with PDFextreme

Sign PDF Online

Draw or upload a visual signature, choose a page, place it carefully, and download the updated PDF. This is not a certificate-based digital signature.

Visual signature only. Sign PDF adds a visible signature to your document. It does not create a certificate-based digital signature, verify identity or provide cryptographic validation. Legal requirements may vary.

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Your visual signature is placed in your browser whenever possible

PDFextreme is designed to place visual signatures on supported PDF files directly in your browser whenever possible. This can reduce unnecessary uploads and gives you more control over simple document marking. Performance may depend on your browser, file size and device.

How to sign a PDF visually

01

Select a PDF file.

02

Draw your signature or upload a signature image.

03

Choose the page and place or resize the signature.

04

Add the visual signature and download the PDF.

Why use PDFextreme to sign PDF files?

Free

Add a visual signature to a PDF without paying for the tool.

Browser-based

Supported signing placement runs in your browser whenever possible.

Draw or upload

Create a signature by drawing or upload a PNG, JPG or WebP image.

Visual placement

Move and resize the signature on the selected PDF page before downloading.

No installation

Use the tool directly from your browser for simple document marking.

Clear limits

This adds a visible signature only; it does not verify identity or provide cryptographic validation.

Frequently asked questions

Yes. PDFextreme lets you add a visual signature to a PDF for simple document marking.
No. This tool adds a visible signature image. It does not create a certificate-based digital signature, verify identity or provide cryptographic validation.
Yes. You can draw a visual signature in the browser, then place it on the selected PDF page.
Yes. You can upload a PNG, JPG or WebP signature image where supported by your browser.
The tool is designed to process supported tasks in your browser whenever possible. Performance and behavior may depend on your browser, file and device.
Yes. After creating or uploading a signature, you can move and resize the visual signature on the selected page before creating the PDF.

Add a visual signature to a PDF

Draw or upload a signature and place it on your PDF in your browser whenever possible.

PDFextreme

Free, fast and privacy-focused PDF tools designed to work directly in your browser whenever possible.

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