Decrypt PDF

Enter known open password and export a new PDF without password.

PDF parsing and export is done locally in your browser; files are not uploaded to any server.

Select or drop PDF

Related tools

Encrypt PDF (Password Protect)PDF Merge PDF Split PDF Compress (Best for Scans)PDF Extract Text

Related tutorials

How to use & FAQ

Why Tools Ku

Free, no signup
Known password only
Export unlocked PDF
Local processing

If you know the open password, decrypt locally to merge, split, or convert. Files never leave your device.

Cannot crack unknown passwords. Pair with encrypt/merge tools for full workflow.

Steps

Upload encrypted PDF
Enter password
Decrypt locally
Download new PDF

FAQ

Unknown password?: No. Only works with correct known password.
Upload?: No, fully browser-local.
Original changed?: No; you download a new unlocked file.
Decrypt fails?: Wrong password, corrupt file, or unsupported encryption.
Re-encrypt?: Yes, use Encrypt PDF tool.
Signup?: Not required.