Is it free to eSign a PDF?

Yes, this eSign tool is 100% free with no hidden fees or watermarks.

Is an electronic signature legally valid?

Electronic signatures are legally recognized in many jurisdictions. However, this tool creates a visual signature overlay, not a cryptographic digital signature.

Is my PDF and signature secure?

All processing happens in your browser. Your PDF and signature never leave your device.

Can I sign on mobile devices?

Yes, the signature pad supports both mouse and touch input, making it work on mobile devices and tablets.

What is the file size limit?

Each PDF file can be up to 50MB.

eSign PDF

Add your electronic signature to any PDF document. Draw your signature, choose placement, and download. 100% private — processed in your browser.

Drag & drop a PDF file here

Only PDF files accepted. Max 50MB per file.

How to eSign a PDF

Add your electronic signature to any PDF in 3 simple steps.

Upload PDF

Drag and drop or click to select a PDF file from your device.

Draw Signature

Use the canvas pad to draw your signature with mouse or touch. Choose pen color and thickness.

Apply & Download

Select page and position, then apply your signature and download the signed PDF.

eSign PDF Tips

Get the best results when signing PDF documents.

100% Private

All processing happens in your browser using pdf-lib. Your files and signature never leave your device.

Touch Support

Works on phones and tablets. Draw your signature naturally with your finger or stylus on touch devices.

Any Page

Place your signature on any page of the PDF. Choose from 6 position presets for precise placement.

Original Preserved

Your original PDF remains untouched. A new signed copy is created for download.

eSign PDF FAQ

Common questions about electronically signing PDFs.