🍋 PDF Tools
Flatten PDF
Flatten form fields into static PDF content.
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Drop
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Squeeze
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Fresh!
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Drop Your Lemons Here
Drag & drop files here
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PDF
⚙️ Squeeze Settings
All interactive form fields will be flattened into static content. This makes the PDF non-editable.
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About Flatten PDF
Convert interactive PDF form fields into static, non-editable content. Useful for archiving filled forms, preventing further edits, or fixing display issues with form fields in some PDF viewers.
How It Works
The tool uses pdf-lib's form flattening feature to merge all interactive form fields (text boxes, checkboxes, dropdowns, radio buttons) into the page content layer. After flattening, the values become permanent text.
Step by Step
- 1 Upload a PDF with form fields
- 2 Click Flatten to merge fields into content
- 3 Download the flattened PDF
Tips
- Fill out all form fields before flattening — empty fields will stay empty.
- Flattening is irreversible — keep the original if you need editable fields later.
- Great for archiving completed forms as permanent records.
Frequently Asked Questions
What happens if my PDF has no form fields?
The tool will still process the file, but it will be essentially unchanged.
Can I undo flattening?
No. Flattening is permanent. Always keep a copy of the original form.