Make the fillable fields of a PDF form permanent - the entered content becomes part of the page and is no longer editable. No upload.
Running locally on your device ...
Running locally on your device ...
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Your files never left your device
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No re-upload neededThese tools accept .PDF - your file is handed over directly.
No. Everything runs in your browser - your file never leaves your device. How this is verifiable
A filled-in PDF form often still contains active fields: text fields, checkboxes, dropdown lists. Anyone who opens the file can change the entries accidentally or deliberately - and depending on the PDF viewer, fields may render differently or not at all. This tool flattens the form: it turns the filled fields into fixed page content. The visible state is frozen and shown identically everywhere.
Technically the form fields (the AcroForm layer) are drawn into the normal page content and then removed. An editable text field becomes static text, a ticked box becomes a permanently painted tick. This is exactly what you want before sending a signed application, an order or a consent form: the recipient sees the entries but can no longer rewrite them afterwards.
Everything runs locally in the browser via pdf-lib - your form does not leave your device. Honestly framed: if a PDF has no form fields at all, there is nothing to flatten and you get it back practically unchanged. And flattening is not copy or tamper protection: the page stays a PDF whose content could still be edited with specialist tools. If you really want to remove content irreversibly, use "Redact PDF". For locking in the filled-in state, however, flattening is exactly the right tool.
| Input formats | |
|---|---|
| Auto-conversion | PNG, JPG, WebP, GIF, BMP, TIFF, ICO, SVG, HEIC, ZIP, DOCX, 7Z, DDS, HDR, PCX, WBMP |
| Output format | |
| Batch processing | No |
| Processing | Locally in your browser (JavaScript) |
| File upload | None |
Limitations: Converts all form fields (text fields, checkboxes, radio buttons, dropdown lists) into fixed page content and removes the AcroForm layer; the filled-in state stays visible but is no longer editable. A PDF without form fields is returned practically unchanged. Not password or copy protection - to remove content irreversibly use "Redact PDF". Open password-protected PDFs first with "Unlock PDF".
The fillable fields are turned into fixed page content: the state is frozen and no longer editable.
Yes, the visible state is kept and drawn permanently into the page - just no longer changeable.
Then there is nothing to flatten, and the file is returned practically unchanged.
No. The fields are no longer interactive afterwards, but the PDF can still be edited with specialist tools. To truly remove content use "Redact PDF".
No, flattening happens entirely locally in the browser.