Flatten PDF
Flatten forms, annotations and layers in a PDF so it can no longer be edited.
About Flatten PDF
naskh's Flatten PDF tool lets you flatten forms, annotations and layers in a PDF so it can no longer be edited. It optimizes your PDF without sacrificing readability. It is completely free, runs in your browser with nothing to install, and is built Arabic-first with full right-to-left support.
How it works
Upload your file
Process in the browser
Download the result
Common uses
- Shrink a PDF so it fits email or upload size limits
- Speed up sharing and storage of large documents
- Standardize page sizes before printing
- Repair or future-proof a file for long-term archiving
Frequently asked questions
Is Flatten PDF free?
Yes, Flatten PDF is completely free — no sign-up, no watermark, and no daily limits.
Are my files safe?
Files are processed on our server over an encrypted (HTTPS) connection and deleted right after — never stored or shared.
Is there a file size limit?
You can process files up to 20 MB each. For larger files, try Compress PDF first.
Does it support Arabic and RTL?
Yes. naskh is built Arabic-first and preserves right-to-left direction and diacritics — no flipped or broken text.
Do I need to install anything?
No. Flatten PDF runs right in your browser on mobile and desktop — nothing to install and no account needed.