日付ISO 8601フォーマッター
様々な入力形式の日付をISO 8601形式に変換・解析。数十種類の入力形式に対応。
100% in your browser. Your file never leaves your device.
Enter a date string above.
How to use
- Type or paste a date string into the input field in any common format.
- Click "Use current date & time" to pre-fill the current moment.
- Click Convert — ISO 8601, UTC, date-only, Unix timestamp, and human-readable results appear below.
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よくある質問
- Is the date ISO formatter free?
- Yes, completely free with no signup and no usage limits.
- Does my data leave my device?
- No. All parsing and formatting runs in JavaScript inside your browser. Nothing is sent to any server.
- Does it work on mobile?
- Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.
Last updated: By jarvisbox