Flatten PDF
Lock form fields into static content.
Bake all interactive form fields and annotations into the page so they can never be edited or cleared. Keeps the document looking exactly the same.
Drop your PDF here, or browse
Free · No sign-in · Processed in browser
🔒 Processed entirely in your browser — your file never leaves your device.
Features
Lock down your PDF in one click
- ✓Flattens text fields, checkboxes, and dropdowns
- ✓Flattens radio buttons, buttons, and signatures
- ✓Document looks identical after flattening
- ✓Shows all detected form fields before you commit
- ✓Works on PDFs with no fields too
- ✓Your file never leaves the browser
How to use
Upload
Drop your PDF into the upload area.
Review
See all interactive fields that will be flattened.
Flatten
Click Flatten PDF — done in seconds.
Download
Download the locked, non-editable PDF.
Frequently asked questions
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