Flatten PDF
Merge all layers and form fields into a flat PDF
Upload PDF to Flatten
Drag & drop or click to upload
Key Features of PDF Flattener
Merge All Layers
Flatten form fields, annotations, and layers into one.
Lock Form Data
Permanently embed form field values.
Remove Interactive Elements
Convert interactive elements to static content.
Reduce File Size
Flattened PDFs are often smaller in size.
Print-Ready Output
Create PDFs that print exactly as displayed.
100% Free & Private
No watermarks, no registration. All processing happens in your browser.
How to Flatten PDF Files
Upload your PDF with forms or annotations.
Preview the document to verify content.
Click 'Flatten PDF' to merge all layers.
Review the flattened result.
Download your flattened PDF.
Frequently Asked Questions
What does flattening do?
Flattening merges all layers, form fields, and annotations into the base document.
Can I edit the PDF after flattening?
Flattened content becomes part of the page image and cannot be edited as before.
Will form data be preserved?
Yes, form field values are permanently embedded into the document.
Is my PDF data secure?
Yes, all processing happens locally in your browser. Your files never leave your device.
