Initializing Secure Environment…
Initializing Secure Environment…
Permanently flatten any PDF to remove all interactive elements — form fields, annotations, digital signatures, JavaScript, and embedded metadata. Once flattened, the content becomes static and cannot be edited, filled, or manipulated by anyone. Essential for finalizing contracts, locking submitted forms, and securing documents before distribution.
Flattening is the standard final step before distributing any PDF that contains fillable forms, digital signatures, or annotations. Signed contracts should be flattened before archiving to prevent any modification of the signed content. Completed application forms should be flattened before submission to lock in the entered data. Documents containing JavaScript should be flattened before sharing to eliminate any active scripting. Flattening also significantly reduces PDF file size by removing the overhead of interactive elements.
Flattening merges all interactive layers — form fields, annotations, and signatures — into the static page content. The visual appearance is preserved exactly, but nothing can be edited, moved, or deleted afterwards.
No. The data you entered into form fields is baked into the page visually. It appears exactly as filled — it just can no longer be changed or extracted as field data.
No. Flattening runs entirely locally using pdf-lib via WebAssembly. Your file never leaves your device.
Flattening makes the content static and non-interactive. Encryption adds a password so the file cannot be opened without the password. For maximum security, you can flatten and then encrypt.
No. The document looks identical after flattening. Form field values, annotations, and signatures continue to appear exactly where they were — they are just rendered as permanent page content rather than interactive overlays.