Flatten Forms
Drop a PDF file here or click to upload
No size limit — large files welcome
🔒 Your files are processed securely and never uploaded to any server.
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What is Flatten Forms?
Flatten Forms converts all interactive form fields in a PDF into static content. After flattening, the form field values are permanently baked into the page visuals — text inputs become regular text, checkboxes become static checkmarks — and the fields are no longer editable or interactive.
How to Use Flatten Forms
- Upload your filled PDF form.
- Click Flatten. The tool uses pdf-lib's
form.flatten()to merge all field values into the page content. - Download the result as
flattened.pdf.
Why Use Flatten Forms?
Flattening is essential before sharing filled forms externally. It ensures that the data cannot be accidentally modified by recipients, makes the PDF compatible with viewers that don't support interactive forms, and reduces file size by eliminating form field metadata.
Privacy & Security
Your files never leave your browser. The flattening happens entirely on your device. Nothing is uploaded to Racira's servers, no copies are stored in the cloud, and no file data is transmitted at any point.
Frequently Asked Questions
Can I undo flattening?
No. Flattening is irreversible — the form field structure is permanently removed and the values become part of the page content. Always keep a copy of the original unfilled form before flattening.