Sign PDF
Add electronic signatures to PDF documents. Draw, type, or upload your signature.
从已签署 PDF 提取签名 / 印章支持 Adobe Acrobat
上传已签名的 PDF，智能识别笔迹或印章并剥离纸张白底，一键存入签名库随时使用。
Upload PDF File
About This Tool
Sign PDF allows you to add electronic signatures to your PDF documents quickly and securely. Create your signature by drawing, typing, or uploading an image, then place it anywhere on your document.
You can add multiple signatures to a single document, resize and position them precisely, and save your signature for future use. The tool is perfect for contracts, agreements, forms, and any document requiring your signature.
All signing happens locally in your browser, ensuring your documents and signature remain private.
How to Use
Upload Your PDF
Drag and drop your PDF file or click to select the document you need to sign.
Create Your Signature
Draw your signature with mouse or touch, type your name to generate a signature, or upload a signature image. You can also scan a photo of a signature written on paper.
Place and Adjust
Click on the document to place your signature, then drag to position and resize as needed.
Save and Download
Click Save to apply your signature and download the signed PDF.
Use Cases
Contract Signing
Sign contracts and agreements electronically without printing and scanning.
Form Completion
Add your signature to application forms, consent forms, and official documents.
Approval Workflows
Sign off on documents as part of review and approval processes.
Frequently Asked Questions
Is an electronic signature legally binding?
Electronic signatures are legally recognized in most countries. However, some documents may require specific types of digital signatures. Check your local regulations.
Can I save my signature for future use?
Yes, you can save your signature to your browser's local storage for quick access when signing future documents.
Can I add multiple signatures to one document?
Yes, you can add as many signatures as needed, positioning each one independently on any page.