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Flatten PDF

Lock form fields and annotations so the PDF cannot be edited.

Runs on your device. Your file is never uploaded.

Choose a file or drop it here

Your file stays on this device.

How to flatten pdf

  1. Add a PDF.
  2. Choose to flatten form fields, or turn whole pages into images.
  3. Download.

Questions

Is my file uploaded?

No. This tool runs inside your browser with code loaded from signofficially.com. Your file is read, changed and saved on your own device. Open your browser's developer tools, choose the Network tab and use the tool: no file leaves your computer.

Is it free?

Yes. Every on-device tool is free to use, with no limits. Paid plans add unlimited signature requests, teams and more.

More tools

Edit PDFAdd text, images, shapes, highlights and white-out. WatermarkStamp text like CONFIDENTIAL across every page. Page numbersNumber your pages, with optional header or footer text. Crop PDFTrim the margins of every page.