About Flatten PDF
Convert interactive PDF forms (checkboxes, text fields, dropdowns) and annotations into static, permanent content that cannot be changed.
Instant ProcessingRuns directly in browser
100% PrivateZero file server uploads
No WatermarksClean original quality
How to Use Flatten PDF
1
Upload PDF
Upload your form PDF.
2
Click Flatten
Process to convert all fields to static content.
3
Download
Download your flattened PDF.
Key Features & Supported Formats
Accepted Formats: .PDF
Max Batch Limit: Up to 10 files per session
Cross Platform: Works on Windows, Mac, Linux, iOS & Android
Privacy Guarantee: Zero server storage or file logging
Frequently Asked Questions about Flatten PDF
What does flattening a PDF do?
It merges interactive form fields, checkboxes, and annotations into static page graphics, preventing tampering.
Is the visual layout changed when flattening?
No, the document looks identical but all form fields become permanent and uneditable.