Ctrl K

Flatten PDF

Burn form fields and annotations into the page so they cannot be peeled off.

1Choose
/2Process
/3Download

How to use Flatten PDF

Step 1
Choose the PDF to flatten.
Step 2
Click Flatten PDF. Fields become part of the page.
Step 3
Download the flattened PDF.

Flatten a PDF online free. Lock form fields and annotations in your browser — no upload. Processing never leaves this tab.

Related PDF tools

Merge PDFCombine multiple PDFs into one file. Order stays as you picked. No upload.PDF to JPGExport every PDF page as a JPG image. Useful for sharing or editing.PDF to PNGExport every PDF page as a PNG image. Stays in this tab.Compress PDFShrink PDF size for email and uploads. Text stays selectable. Processing stays on this device.Split PDFSplit one PDF by page, range, half, or size. Download what you need.Extract PagesPull the pages you want into a new PDF. The rest stays behind. No upload.Protect PDFAdd a password so opening the PDF requires it. Encryption stays on this device.Unlock PDFRemove password protection from a PDF you can open. Runs locally.