Can this remove a password I do not know?

No — you must already know the correct password. This is for removing protection you set yourself, not for bypassing someone else's.

What if the password is wrong?

You get a clear error instead of a corrupted or silently unchanged file.

No — the file is decrypted entirely in your browser using a WASM build of qpdf.

Remove password protection from a PDF you already know the password to.

Choose a PDF

Drop a file, paste, or click to browse

Up to 50 MB.

Files never leave your device.

Can this remove a password I do not know?: No — you must already know the correct password. This is for removing protection you set yourself, not for bypassing someone else's.
What if the password is wrong?: You get a clear error instead of a corrupted or silently unchanged file.
Does this tool upload my PDF anywhere?: No — the file is decrypted entirely in your browser using a WASM build of qpdf.