Sign PDF Online Free (Draw, Type or Upload Signature)
Sign PDF documents right in your browser by drawing, typing, or uploading your signature.
How it works step by step
- 01Choose the PDF document you want to sign.
- 02Create your signature by drawing, typing your name, or uploading a signature image.
- 03Place and resize the signature on any page, then click Download.
Technical specs & privacy
Three easy ways to sign
Draw smoothly with mouse or touch, type your name with handwriting styles, or upload a clear signature image.
Maximum legal privacy
Your sensitive contracts, agreements, and legal forms are processed entirely inside your browser and never uploaded to any server.
Precision placement & scaling
Drag your signature to the exact line or box on any page and scale it proportionally with ease.
| Supported input formats | 1 PDF FILE |
|---|---|
| Output target format | SIGNED PDF |
| Conversion engine | pdf-lib & PDF.js 2x Canvas (in-browser local) |
| Storage & Privacy | 100% Local · Files never leave your device |
Frequently asked questions
How do I sign a PDF on mobile or desktop?
Upload your PDF, draw your signature with your finger or mouse, drag it to the desired position on the document, and download your signed file.
Are my signed contracts uploaded to your servers?
No. 123FileTools works entirely client-side. Your PDF and signature data never leave your device.
Can I add multiple signatures or sign multiple pages?
Yes, you can place signatures on multiple pages or add multiple signatures before generating your final PDF.
Is signing PDFs free on 123FileTools?
Yes, completely free with no file limits, no registration, and no watermark added.
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