No signup. No uploads to servers. Complete privacy.
or drag & drop a PDF here
No credit card • No account needed • 100% private
Powerful features that work right in your browser. No software installation required.
Click anywhere to add text. Customize font size from 8px to 72px.
Draw or type signatures. Save and reuse across documents.
Your PDFs never leave your browser. All processing happens locally.
Export your edited PDF with all changes embedded permanently.
Three simple steps to sign and annotate any PDF document
Click "Upload PDF" or drag and drop your file. It stays in your browser - we never see it.
Click to add text anywhere. Draw or type signatures. Drag elements to position them perfectly.
Click "Download PDF" to save your edited document with all changes permanently embedded.
Thousands of people use pdf0 every day to sign and edit their PDFs
"Finally, a PDF editor that doesn't require me to create an account or pay for a subscription. I signed my lease in under a minute!"
"I love that everything happens in my browser. No uploading sensitive documents to unknown servers. Perfect for contracts!"
"The signature feature is genius! I can save my signature and reuse it across multiple documents. Saves me so much time."
Yes, absolutely. All PDF processing happens in your browser. Your files never leave your device, ensuring complete privacy and security.
Absolutely. Your PDFs never leave your browser. All processing happens locally on your device using JavaScript. We cannot see, access, or store your files.
pdf0 works on all modern browsers including Chrome, Firefox, Safari, and Edge. For best experience, use the latest version of your browser.
Yes! pdf0 is fully responsive and works great on mobile devices. You can add text, signatures, and annotations using touch gestures.
Yes, signatures are saved locally in your browser's storage. You can save up to 5 signatures for quick reuse. They're never uploaded to any server.