Unlock PDF
Upload a password-protected PDF, enter the password, and download an unlocked copy.
Drop your locked PDF here
またはクリックして参照（複数ファイル可）
How to Unlock PDF Files
Remove password protection in 3 steps.
Upload locked PDF
Select the PDF file you want to unlock from your device.
Remove password
Enter the correct password once to permanently remove security restrictions.
Download unlocked PDF
Get a new copy of your PDF that can be opened without a password.
Why use BytCrush PDF Unlocker?
Remove Restrictions
Tired of entering a password every time you open a file? Create an unprotected copy for easier daily access.
Enable Editing
Many locked PDFs restrict printing, copying, or editing. Unlocking the file restores these permissions so you can work with your document.
Secure Processing
The unlocking process happens securely. We do not store your file or your password after the process is complete.
Legal Compliance
Our tool is designed for files you have the right to access. You must know the correct password to unlock the document.
Frequently Asked Questions
Common questions about this tool.
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PDF圧縮
調整可能な品質レベルでPDFファイルを圧縮。Webや印刷用に最適化。
Word to PDF
Convert DOC and DOCX documents to high-quality PDF.
画像圧縮
画質を維持しながら画像ファイルサイズを削減。JPG, PNG, WEBPに対応。
自動圧縮
画像を特定のターゲットサイズ（KB）にインテリジェントに圧縮。厳しい制限に最適。
PDF to Images
Convert each page of a PDF into separate images.