Sign PDF OnlineDraw • Type • Upload
Add a signature to your PDF in seconds. Private by design — processed in your browser.
Sign PDF Online Free
Draw, type, or upload your signature in seconds.
- No signup or account required
- Sign unlimited PDFs online free
- Draw, type, or upload your signature
- Works directly in your browser - secure & private
- Supports contracts, agreements, forms, and assignments
- No watermark added - download instantly
How to Sign a PDF Online (3 simple steps)
1. Upload your PDF
Click "Open Signer" or drag & drop your PDF file. Supports large multi-page PDFs.
2. Add your signature
Choose from: Draw (touch or mouse), Type (choose font style), or Upload an image of your signature. Resize and position anywhere.
3. Finalize & download
When you're done, click Download. Everything is processed locally in your browser for privacy.
Security & Privacy
All signing is done in your browser. Files remain private. If you need to combine multiple documents securely before signing, check our Merge PDF and if you need to add a logo or stamp, use Add Image to PDF.
Frequently Asked Questions
How can I sign a PDF online for free?
Upload your PDF to TechRex Free PDF Editor, choose 'Sign PDF', draw or type your signature, and download instantly. No signup required.
Is there a free PDF signer without signup?
Yes, TechRex allows you to sign PDF files online without any account, signup, or watermark. It's 100% free.
How do I sign a PDF without Adobe?
Upload your PDF to TechRex Free Editor and sign directly in your browser - no Adobe required.
Can I sign PDFs on my phone (Android or iPhone)?
Yes, TechRex works on mobile browsers. Upload your PDF, draw or type your signature, and download it instantly on any device.
Is it really 100% free with no watermark?
Yes. TechRex PDF Signer is completely free, no signup required, and no watermark is added to your signed documents.
Can I edit before signing?
Yes - you can edit your PDF online and then sign, all in the browser.