Flatten a PDF Form
Lock a completed PDF form so its fields can no longer be edited.
Drop files here, or click to browse
PDF no file size limit
Your files never leave your device. All processing happens locally in your browser.
Fill in a PDF form, then optionally flatten it so the fields can't be edited again. Everything happens in your browser β the PDF is never uploaded.
flattening tips
Already filled a form elsewhere? Open it here, keep the values, and flatten to lock them in.
Flattened forms print and display consistently across every PDF viewer.
After flattening, the form fields become part of the page β no more accidental edits.
Runs entirely in your browser.
How It Works
Why use ours?
Also check outβ¦
Fill a Tax Form
Complete an official tax PDF and lock it before su
Complete an Application Form
Fill in a job, rental, or school application PDF.
Fill and Lock a Contract
Complete a contract's fields and flatten it before
Fill a Form You Use Often
Quickly complete a recurring PDF form without Acro