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Flatten PDF

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Merge all layers, forms, and annotations into one flat layer

What does flattening do?

Flattening a PDF converts all interactive elements (form fields, annotations, comments, signatures) into static content. This prevents editing and ensures the document looks the same everywhere.

Drop your PDF here

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Prevent Editing

Lock form fields and annotations permanently

Reduce File Size

Flattened PDFs are often smaller

Universal Compatibility

Looks identical on all PDF viewers