Flatten PDF Free — Make PDF Non-Editable
Make PDFs permanently non-editable — removes form fields, annotations, and interactive scripts.
✓ Free✓ No Upload✓ No Watermark
Drop a PDF file to flatten
Flattening...
Frequently asked questions
Everything runs entirely in your browser using WebAssembly. Your files never leave your device — no upload, no server, no cloud.
No artificial limit. Processing capacity depends only on your device's available memory. Desktop browsers typically handle files up to 500 MB.
Never. ILikePdf does not add watermarks to any output file, free or otherwise.
Yes. The tool works in any modern mobile browser (Chrome, Safari, Firefox) on Android and iPhone with no app installation.
Flattening merges all layers, annotations, and form fields into a single static layer. Useful before sharing to ensure consistent rendering.