Sign PDF Online — Draw or Upload Your Signature
Add your signature to any PDF — draw it, type it, or upload an image. Processed locally in your browser for real privacy.
🔒 Files are processed on your device — nothing is ever uploaded to a server
Contracts and approvals shouldn't require printing and scanning. Draw your signature with a mouse or finger, place it exactly where it belongs, and save.
How it works
- Open the PDF and click Add signature.
- Draw, type, or upload your signature — the background is removed automatically.
- Drag it into place, resize, and save.
Why MyPDF
- Truly private — Everything runs inside your browser. Your files are never uploaded, stored, or seen by anyone — unlike most online PDF sites.
- Free with no sign-up — No account, no daily limits on core tools, no watermarks added to your files.
- Fast — No upload/download round-trip to a server. Large files start processing instantly.
- Works everywhere — Any modern browser on Windows, Mac, Linux, Android, or iPhone. Installable as an app (PWA).
FAQ
Is a drawn signature legally valid?
Electronic signatures are recognized in many countries for many document types, but requirements vary — check the rules that apply to your document.
Is it safe for confidential documents?
Yes. Processing happens locally in your browser (client-side). You can even disconnect from the internet after the page loads and most tools keep working.
📖 Full guide: Fill and sign PDF documents online