Flatten PDF
Bake form fields and annotations into the page.
About this tool
Flatten a PDF online for free. Form fields and annotations become permanent, uneditable page content.
Frequently asked questions
Is the flatten pdf free?
Yes — no signup, no watermark. Your file is processed and then deleted; it's never stored.
More free tools
No signup, no limits — jump straight into another PDF tool.
Merge PDF
Combine multiple PDFs into one file.
Split PDF
Split a PDF into individual pages.
Rotate PDF
Rotate every page in a PDF 90, 180, or 270 degrees.
Protect PDF
Add a password to a PDF.
Unlock PDF
Remove a password from a PDF you own.
Watermark PDF
Overlay a diagonal text watermark on every page.
From other categories
AI Ad Copy Generator
High-converting ad copy in seconds — headlines, primary text, and CTAs.
ROAS Calculator
Calculate return on ad spend and break-even.
PNG to JPG Converter
Convert PNG to JPG in your browser — free, private, no upload.
YouTube Video & Shorts Downloader
Download YouTube videos and Shorts in HD — MP4 or MP3, free.
JSON Formatter
Pretty-print and validate JSON online, instantly.
Turn this into finished creative
LoopStook's AI studio takes you from a free utility to video, image, and audio generation — every model in one place.