Free PDF signer – Edit and write in PDF documents directly in your browser. Your files never leave your computer.
Users
76
+18 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#93K
#78K among extensions
Version
1.1.1
updated 15 Mar 2026
Users
monthly, 8 months
Latest, 19 Oct 2026:76 usersMove the mouse over the chart for any month
Ratings count
monthly, 8 months
Latest, 19 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About LocalSign – Free PDF Signer | Edit & Write in PDF
Sign PDF Free – Edit PDF and Write on PDF directly in your browser. Your files stay on your computer.
LocalSign is a simple and fast tool to sign PDF free, edit PDF, and write on PDF directly from your browser.
Add a PDF signature, fill out documents, and edit your PDF files without uploading them to any server. Everything happens locally on your device.
With LocalSign, you can sign a PDF online, write on a PDF, fill PDF forms, and export a signed PDF in seconds.
Features
• Import a PDF file
• Sign PDF free directly in your browser
• Draw your PDF signature using your mouse or trackpad
• Upload a signature image to sign PDF documents
• Write on PDF and add text fields
• Edit PDF easily
• Drag and drop signatures and text anywhere in the document
• Export your signed and completed PDF
Privacy
All processing happens locally in your browser.
No files are uploaded to any server.
No data is collected.
Your PDF documents remain 100% private on your device.