Flatten PDF

Flatten PDFs by merging form fields and annotations into static page content. This is useful before sharing or printing final documents.

Last updated: March 2026

  • Work directly in your browser
  • Fast conversion - results in seconds
  • Files deleted automatically after download

Select PDF file

Drag and drop your file here to begin

Upload files up to 200MB

FILE No file selected

How to use Flatten PDF

1
Click "Select file" or drag and drop your file into the upload area
2
Configure any options if available for this tool
3
Click the convert or process button to start
4
Download your result from the result page

When to use this tool

  • Quick online conversion without installing any software
  • Works on Windows, Mac, iPhone, and Android devices
  • Files are automatically deleted after download for privacy
  • Free to use with no registration or account required

How it works

Flattening prevents accidental field edits and makes final PDFs more consistent across viewers.

PDF with or without form fields and annotations.

A flattened PDF where interactive elements are merged into page content.

Files auto-deleted after download
Secure HTTPS connection
No registration required
100% free forever

Frequently Asked Questions

Can flattening be undone?
No. Flattening is permanent in the output file.
Are annotations included?
Yes, visible annotations are merged into page content.
Does this remove passwords?
No. Use Unlock PDF for password removal.
Will the layout change?
Layout is preserved as much as possible.