Sign PDF
Add signatures, initials, dates and text to a PDF.
Choose a PDF
Drag & drop a PDF here
Choose a PDF file (.pdf)
Private — your PDF is processed entirely in your browser.
Create your signature
Use Draw, Type, or Upload. Signature and initials artwork are kept separately while this page is open.
No signature yet![Current signature preview]()
Fill & Sign editor
Preview
Choose an Add tool above, then click or tap the PDF.
Upload a PDF to begin.
Download stays local. Sharing uses your device's share sheet and does not create a ToolHut upload or link.
Help & FAQ — Sign PDF
How to use
- Add a PDF.
- Draw, type or upload a signature or initials.
- Place signatures, dates and text where needed, then export.
Use cases
- Add a visible electronic signature to a PDF contract.
- Insert a signature on a form.
Tips & FAQs
- Is this a digital certificate?
- This is a visual signature overlay, not a PKI digital signature.
- Multiple signatures?
- Place as many as needed before exporting.
Formats & limits
- Input: PDF; optional PNG or JPG signature image
- Output: PDF
- Not a cryptographic signature (no certificate)
Privacy
Processing happens in your browser. Download saves output locally; when available, Share sends it through your chosen app.
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Updated
22 August 2026