Flatten PDF

Lock in your annotations and form fields permanently

Merge all comments, annotations and form fields directly into the page so nothing can be edited further.

or drop files here

No file upload to server
100% browser-based
Completely free

Signed forms and annotated drafts should look the same for everyone who opens them — flatten the file and every field, stamp and comment becomes part of the page.

Flattening a PDF Before You Send It

  1. Load the completed PDF into the tool.

  2. Start flattening; form fields and annotations are fused into the page.

  3. Skim the preview to confirm everything still looks right.

  4. Download the static version for sharing, printing, or signature routing.

A Final Version That Stays Final

Interactive layers merged into the page, permanent output, and local processing.

Locks Form Fields

Turns fillable form fields into permanent, non-editable content.

No Upload Required

Flattening happens locally in your browser, keeping your file private.

Merges Annotations Into the Page

Comments, stamps, and markup become part of the page itself instead of separate editable layers.

Prevents Accidental Edits

Ideal for finalizing forms or documents before sharing or printing.

Free With No Signup

No account or limit on how many PDFs you flatten.

Flatten PDF FAQs

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