Flatten PDF forms

Lock filled-in form fields into the page so they can’t be changed.

Drag & drop files here

PDF files · one or more files

Choose files

Processed on your device — nothing is uploaded

You can also paste with Ctrl+V

How it works

Add the filled PDF form.
Click “Flatten”.
Download the locked file.

About this tool

After filling a PDF form the fields can stay editable. Flattening fixes the values into the page so they look the same in every app and can’t be changed.

Why use Warqa for this?

Your files are never uploadedProcessing happens in your browser, so documents never pass through a server — safe for contracts and confidential files.

No limits, no sign-upNo caps on file size or count, no account, no email and no watermark on your results.

Instant and works offlineNo upload or download wait, and you can install it as an app and use it without internet.

Frequently asked questions

When do I need to flatten?

Before sending or archiving official forms, or when filled values show up blank in some apps.

Can flattening be undone?

No, so keep a copy of the editable form.

Are my files safe?

Yes. There is no server that receives your files; everything is processed in your browser and stays on your device. You can confirm it in the Network tab of your browser’s developer tools.

Is it really free?

Yes. Every tool is free with no daily limits, no sign-up and no watermark on your files.

Does it work on phones?

Yes, it works in any modern mobile or desktop browser, and you can install it as an app from the browser menu.