Flatten a PDF — Free & Private
Turn a filled-in form into a permanent, non-editable document. Field values, checkboxes and signatures become part of the page itself — nothing is uploaded to a server.
Drag & drop a PDF file here
or select a file from your device — lock form fields and annotations in place
Files are processed locally in your browser — nothing is uploaded to a serverHow It Works
Lock a filled-in form in three simple steps.
Upload your PDF
Drag and drop a PDF file into the box above, or click to browse your device.
We flatten it automatically
Form fields, checkboxes and signature widgets are converted into static page content.
Download the result
Your flattened PDF is ready to download instantly — no further editing of the form is possible.
Why Use PDFHome?
Make sure a completed form can't be accidentally changed.
100% private by design
Flattening happens entirely in your browser — your PDF is never uploaded to a server.
Prevents accidental edits
Once flattened, form field values can no longer be changed by anyone who opens the file.
Preserves visual appearance
The flattened page looks exactly like the filled-in form — nothing shifts or disappears.
Works on any device
PDFHome runs in any modern browser on desktop, tablet or mobile.
Instant results
There's no upload wait — flattening happens the moment you upload your file.
Free, no account required
Flatten PDF is completely free with no sign-up.
Frequently Asked Questions
It converts interactive form fields, checkboxes and signature widgets into fixed page content — the values remain visible, but they can no longer be edited like a form.
No — the flattened version looks identical to the filled-in form, but the fields are no longer interactive.
PDFHome will simply re-save the file unchanged — there's no harm in running a regular PDF through this tool.
Yes. Flattening happens entirely on your own device in your browser — your file is never transmitted over the internet.
No — flattening is a one-way operation. Keep your original file if you might need to edit the form again later.