Sign PDF
Add your signature to any PDF document.
Drag files or click to upload
Secure Digital PDF Signing
Our PDF signer provides a seamless way to add your electronic signature to any document. You can draw your signature, upload a scanned image, or use touch on mobile devices. Because we use WebAssembly and local processing, your signature and sensitive documents never leave your computer.
Why choose PDF Miracle?
- Draw signatures with mouse or touch
- Upload and reuse scanned signature images
- Place and resize signatures anywhere on the page
- Supports multi-page signing in one session
- 100% private: your signature is never stored on a server
- High-resolution output for professional documents
100% Private & Secure
Unlike other online tools, we process your files locally in your browser using WebAssembly. Your documents are never uploaded to any server, ensuring military-grade privacy for your sensitive data.
How to Sign a PDF Document
Upload
Drag and drop the PDF you need to sign.
Create Signature
Click 'Add Signature' and draw your signature on the pad, or upload an image.
Place
Drag the signature to the correct line on the document and resize it to fit.
Download
Click 'Download Signed PDF' to save the final document.