PDF Flatten
Flatten form fields in your PDF, converting interactive fields into static content.
Flatten PDF form fields and annotations into the page content. Makes forms non-editable and reduces file size.
How to Use
- 1 Upload your PDF file
- 2 Adjust settings — flatten form fields & annotations
- 3 Download the modified PDF
Why Use This Tool
Private & Secure
Your data never leaves your device. Everything is processed right in your browser — nothing is uploaded or stored on any server.
Lightning Fast
No waiting for uploads or server processing. Results appear instantly because all the work happens on your machine.
Free, No Sign-Up
Use this tool as many times as you want. No account required, no email, no limits — just open and go.
Works on Any Device
Use it on your phone, tablet, or computer. No app to install — it runs in any modern web browser.
Frequently Asked Questions
Is PDF Flatten free to use?
Yes, PDF Flatten is completely free with no usage limits, no account required, and no ads. You can use it as many times as you need.
Is my data safe when using PDF Flatten?
Absolutely. PDF Flatten runs entirely in your browser. Your files and data are never uploaded to any server — everything is processed locally on your device.
What PDF file size can PDF Flatten handle?
Since PDF Flatten runs in your browser, it can handle most PDF files. Very large files (100MB+) may be slower depending on your device's memory and processing power.
Do I need to install any software to use PDF Flatten?
No installation is needed. PDF Flatten works directly in any modern web browser — Chrome, Firefox, Safari, or Edge — on desktop and mobile.