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安全なパスワードをオンラインで無料生成。長さカスタマイズ、文字種選択、曖昧文字除外、強度インジケーター、クリップボードコピー。100％プライベート。
パスワード ジェネレーター is a free online セキュリティ tool that works right in your browser — whatever you enter is processed locally and never sent to a server. No installation, no signup; works on both phone and desktop, ready to use instantly.
すべてのセキュリティツールはローカルで実行され、外部にデータを送信しません。パスワード生成、ハッシュ計算などの機密操作はすべてブラウザ内で完結します。
When testing security tools, sending sensitive data like passwords or tokens to a remote server defeats the purpose. We built this tool to run entirely in your browser using the Web Crypto API — your data never leaves your device.
Security-conscious users signing up for new services, IT admins provisioning temporary credentials, and anyone replacing reused passwords after a data breach. Unlike browser password managers that depend on a sync chain or third-party vault, this generator runs purely client-side and produces entropy you can verify before copying.
はい、完全無料で登録不要です。
はい、モバイルブラウザでタッチ操作に対応しています。
セキュリティ
完全に安全です。すべてのチェックはブラウザ内でローカルに実行され、外部にリクエストやデータを送信しません。
ToolPure supports MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hash algorithms. All hashing is performed locally using the Web Crypto API, ensuring your data never leaves your browser.
Yes, you can decode JWT tokens to inspect header and payload, and generate new JWT tokens with custom claims. The tool supports HS256, HS384, and HS512 signing algorithms.
Yes, password generation uses the Web Crypto API getRandomValues() function, which provides cryptographically secure random numbers. Generated passwords are not stored or transmitted anywhere.
Yes. パスワード ジェネレーター is a pure front-end tool: whatever you type or paste is processed only in your browser's memory and never sent to a server. It disappears as soon as you refresh or close the page.
🔒 Privacy & Security：All processing happens locally in your browser. Files are never uploaded or stored.
🔒 Privacy: All processing happens locally in your browser. Your files and data never leave your device — no upload, no server, no tracking.