Sign PDF Without Uploading — Add Signature Free
Electronic signature tools that require server upload store your document — and your signature — on remote infrastructure. This PDF signing tool keeps everything in your browser: you draw your signature on an HTML5 Canvas, position it on the PDF page using pdf-lib, and download the signed result without any server involvement.
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Your PDF and signature are processed entirely in your browser — neither is ever uploaded to any server.
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Free · No upload · No account required
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Frequently Asked Questions
- Is a browser-drawn signature legally binding?
- Legal enforceability of electronic signatures depends on jurisdiction and context. For many routine business purposes, browser-drawn signatures are accepted. For formal legal agreements, consult a qualified professional.
- Can I reuse a saved signature?
- The tool allows you to draw a new signature each time. Saving and reusing signatures is not currently supported to maintain privacy.
- Will the signature appear on all pages?
- You select which page the signature is placed on. It does not appear on all pages automatically.
- What happens to my signed PDF?
- The signed PDF is generated in your browser and downloaded directly. It is not stored anywhere.