Sign PDF
Add your signature to PDF documents easily with draw, text, or image signatures.
Drop a PDF file here or click to select
Maximum file size: 100MB
How it works
Upload a PDF file - Drag and drop or click to select
Create your signature - Draw, type, or upload an image
Download signed PDF - Get your document instantly
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Explore our PDF signing tools designed for specific use cases.
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Split a PDF up to 100 MB by page range, selected pages, or file size. Runs locally in your browser with no upload, signup, or watermark. Free.
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Compress a PDF up to 100 MB locally. Removes redundant data and metadata; image resolution is unchanged, so savings vary by file. No upload or signup.
Frequently Asked Questions
Find answers to common questions about this tool
How do I sign a PDF document?
Upload your PDF, use the signature tool to draw or type your signature, place it on the document, then download the signed PDF.
Are electronic signatures legally binding?
Yes, electronic signatures are legally binding in most countries for business and personal documents.
Can I add multiple signatures to a PDF?
Yes! You can add multiple signatures to different locations on the same PDF document.
Is this PDF signing tool secure?
Absolutely! All processing happens in your browser - your documents never upload to our servers.
Can I sign PDF on my phone?
Yes! Our mobile-optimized signature tool works perfectly on iPhone, iPad, and Android devices.
Can I use Sign PDF online for free?
Yes. You can use sign pdf online for free with no signup or paid plan required.
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