PDF のロック解除
PDF のパスワードを解除
ブラウザで動作 · アップロード不要
このツールとページ内の説明は、現在は英語のみです。動作は同じで、すべてブラウザ内で実行されます。
Drag & drop the locked PDF
or
One PDF file
Your files stay on your device. Nothing is uploaded.
The password you use to open this PDF, or its permissions password.
お使いのブラウザはこのツールを動かすには古すぎます。更新するか、最新の Chrome、Edge、Firefox、Safari をお使いください。
- 何も端末から出ません
- サーバーによるサイズ制限なし
- 登録不要・透かしなし
- 無料
How to remove a PDF password
- Choose the protected PDF.
- Type its password.
- Press Unlock and download the PDF without the password.
Good to know
- You need the password: this tool doesn't crack or guess passwords.
- PDFs that open without a password but block printing or copying can be unlocked without one.
- Supports all common PDF encryption: RC4 (40 and 128 bit) and AES (128 and 256 bit).
- Only remove protection from documents you're allowed to.
Your PDF stays in your browser
The file is read and changed on your device. Nothing is uploaded, so contracts, statements and IDs stay private.
よくある質問
I forgot the password. Can you recover it?
No. This tool only removes a password you know.
Is my password sent anywhere?
No. Decryption happens in your browser.
Is my PDF uploaded?
No. Everything happens in your browser.