Flatten PDF
Flatten fillable PDF forms so filled values become part of the page and can no longer be changed.
100% free No signup Private & offline-ready Works in your browser
Choose a PDF to flattenor drag and drop it here
About Flatten PDF
After filling a PDF form, flattening merges the typed answers into the page so they look the same everywhere and can't be edited accidentally — often required before submitting forms or printing. Use our Fill PDF Form tool first if you still need to fill it.
Frequently asked questions
Is Flatten PDF free?
Yes. Flatten PDF on Apex Tool Station is 100% free with no signup and no watermark. Browser tools have no usage limits.
Are my files or data uploaded to a server?
No. Everything runs locally in your browser using JavaScript. Your files and text never leave your device, which makes it safe for private documents.
Does it work on mobile?
Yes. The tool works on any modern browser on Android, iPhone, Windows, Mac and Linux.