🔓 PDF ロック解除
PDFパスワードを解除 — 無料、高速、プライベート。
Drop PDF file(s) here
or click to browse
使い方 PDF ロック解除
ファイルを上のエリアにドラッグ＆ドロップするか、クリックして選択してください。
ボタンをクリックして、ブラウザ内で即座にファイルを処理します。
処理されたファイルは自動的にダウンロードされます。登録不要！
Performance & Details
Requires the correct password to decrypt. Removes both open and permission passwords. Decrypted file is a standard unprotected PDF ready for editing or sharing.
All processing uses pdf-lib (open-source). Files stay in your browser — zero server uploads. Last verified: May 2026.
PDF ロック解除 — 全米で利用可能
PDF ロック解除 — Available Across Europe
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Go Pro — $5/monthPDF ロック解除 — Frequently Asked Questions
Do I need to know the password to unlock?▼
Yes — this tool removes protection from PDFs you already have the password for. We do not crack passwords.
Why would I want to remove a PDF password?▼
Passwords can be inconvenient for documents you frequently open on trusted devices. Removing it saves time.
Is it legal to unlock a PDF?▼
Yes — unlocking a PDF you own and have the password for is completely legal.
What if my PDF has permission restrictions but no open password?▼
Some PDFs restrict printing or copying. Our tool focuses on open-password removal; permission restrictions may vary.
Does unlocking change the PDF content?▼
No — only the password protection is removed. All content, formatting, and images remain identical.