Pdf TOOL

Flatten PDF - Lock Form Fields Read-Only Free

Flatten a PDF in your browser to lock form fields, checkboxes, and signatures into read-only content — so filled data can't change and prints right. No upload, no signup.

Process PDF locally

PDF processing runs in your browser. Choose files below; some advanced conversions require dedicated OCR or document-layout engines.

ResultChoose a PDF to get started.

How to use this tool

  1. Enter or select your input.
  2. Run the tool and review the result.
  3. Copy or download the output when available.

About this tool

Flatten a PDF in your browser to lock form fields, checkboxes, and signatures into read-only content — so filled data can't change and prints right. No upload, no signup.

Frequently asked questions

Is my data uploaded?

This tool processes input in your browser. Files and text are not sent to our server by this page.