jarvisbox

回文チェッカー

単語・フレーズ・文が前から読んでも後ろから読んでも同じかどうかを判定します。

100% client-side · no upload

Classic examples:

How to use

  1. Type a word or phrase in the input box above.
  2. The result updates instantly — no button needed.
  3. Spaces, punctuation, and capitalisation are ignored when checking.

Related language tools

よくある質問

Is this palindrome checker free?
Yes, completely free with no signup and no usage limits.
Does my text leave my device?
No. All checking 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:

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