Flatten PDF

Flatten form fields and annotations to make your PDF non-editable

About Flatten PDF

Flatten your PDF to convert interactive form fields and annotations into static content. This is useful when you want to lock form data, prepare documents for archiving, or ensure consistent rendering across different PDF viewers. All processing happens locally in your browser.

Features

Flatten all interactive form fields
Remove annotations while preserving appearance
Before and after file size comparison
Preserves document layout and text
Fast client-side processing
Free with no watermarks
Secure - files never leave your browser
Works on any device