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Tom Utilities

ROT13 エンコード / デコード

エンコードとデコード

ROT13 テキストを即座に変換。同じ操作で元に戻せます。

入力

結果

使い方

What ROT13 does

ROT13 replaces each letter with the letter 13 positions after it. Because the alphabet has 26 letters, applying it twice returns the original text.

  1. Paste the text to transform.
  2. Press Convert.
  3. Convert again to reverse.

よくある質問

Is ROT13 secure?

No. ROT13 is a simple obfuscation and should never be used to protect sensitive data.

Are numbers and symbols changed?

No, only the letters A-Z are shifted. Digits, spaces and punctuation stay the same.