Add a legally valid electronic signature to any PDF online without creating an account. Draw, type or upload your signature and download in seconds. 100% free, no watermark.
No account · No watermark · No limit · Legally valid
Most PDF signing tools require an account — which means sharing your email, password and personal data just to sign one document
| Feature | PDFTash ✓ | DocuSign | Smallpdf |
|---|---|---|---|
| Price | Free | $10/mo+ | $9/mo+ |
| No Account Required | ✅ | ❌ | ❌ |
| No Watermark | ✅ | ✅ | ✅ |
| Unlimited Free Signs | ✅ | ❌ 3 only | ❌ Limited |
| Draw Signature | ✅ | ✅ | ✅ |
| Works on Mobile | ✅ | ✅ | ✅ |
| AI Features | ✅ | ❌ | ❌ |
| Instant Download | ✅ | ✅ | ✅ |
Yes. PDFTash lets you sign PDFs completely free with zero account creation required. No email, no password, no subscription. Simply upload your PDF, draw or type your signature, position it on the page, and download the signed PDF immediately. The entire process takes under 60 seconds.
Yes. Electronic signatures created on PDFTash are legally valid under the US ESIGN Act (2000), EU eIDAS Regulation (2016), UK Electronic Communications Act, India IT Act (2000), and equivalent legislation in over 60 countries. For standard business contracts, employment agreements, NDAs, rental agreements and consent forms, the signature is fully enforceable in court.
No. PDFTash never adds watermarks, branding or promotional stamps to your signed PDFs — not even on the free tier. Your downloaded document is clean and professional, exactly as it should be when shared with clients or uploaded to official portals.
Unlimited. There is no daily or monthly cap on free PDF signings. Unlike DocuSign which limits free users to 3 signings and Adobe Sign to 5, PDFTash imposes no signing limits on free users. Sign as many documents as you need every single day.
Yes. PDFTash is a browser-based web app that works on any modern browser — iPhone Safari, Android Chrome, Samsung Internet, and all desktop browsers. No app download, no plugin, and no extension is required. The draw signature feature works perfectly with touch input on phones and tablets.
PDFTash automatically deletes all uploaded and processed files within 2 hours. We process files in an isolated environment and never read, index or share your document content. After 2 hours the file is permanently removed from our servers.