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Merge form fields, annotations, stamps, and layers directly into the page content. Once flattened, the content cannot be edited anymore — useful for final versions and e-signature workflows.
Merge forms and annotations into static PDF
Drag & drop files here, or click to browse
Supported: .pdf
Upload your PDF with form fields or annotations
Click 'Flatten PDF'
Download the flattened copy
Merge form fields, annotations, stamps, and layers directly into the page content. Once flattened, the content cannot be edited anymore — useful for final versions and e-signature workflows.
Flattening locks in form fields and annotations so they cannot be changed. It also helps with compatibility across PDF readers and reduces file size.
No — once flattened, form fields are merged into the page. Keep a copy of the original if you need to edit later.
Digital signatures may become invalid after flattening. For signed documents, flatten BEFORE signing, not after.
Upload your PDF with form fields or annotations
Click 'Flatten PDF'
Download the flattened copy
No hidden fees, no credit card required. Basic tools are free forever.
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Works on Windows, Mac, Linux, iPhone, Android, and Chromebook.
We never share, sell, or access your files. Full privacy guaranteed.
Flattening locks in form fields and annotations so they cannot be changed. It also helps with compatibility across PDF readers and reduces file size.
No — once flattened, form fields are merged into the page. Keep a copy of the original if you need to edit later.
Digital signatures may become invalid after flattening. For signed documents, flatten BEFORE signing, not after.