Set an open password on a PDF, or remove an existing one
🔒 Everything runs locally in your browser — files never leave your device, and it works offline
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Click to choose or drag a PDF here
Encryption uses 256-bit AES, compatible with professional software
Selected · — pick an action
Processing…
Result
New file size
· The encryption engine is the browser build of qpdf (WebAssembly),Files and passwords are handled only in this device's memory — no server involved · “Remove password” needs the file's current password — this tool cannot crack unknown passwords · Keep your password safe: it cannot be recovered if forgotten