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Letters and symbols icon for the random string generator tool Random String Generator for Letters, Symbols, and Kana

Generate random strings from letters, numbers, symbols, hiragana, and katakana for temporary IDs, test data, form validation, and password candidates.

Generation runs on your device
Click Generate button

Character Types

Random String Generator for Letters, Symbols, and Kana Workflow

1

Choose a Length

Set the output length in the range of 1 to 2048 characters.

2

Pick Characters

Simple mode controls whole categories, while Detailed mode controls characters individually. Hiragana and Katakana are selectable in a 10x5 gojuon grid.

3

Generate and Copy

Click "Generate", then use "Copy" to put it on your clipboard. Generate again if you want alternatives.

英数字や記号など様々な文字種を組み合わせてパスワードを生成する設定パネルのイメージ

Mix letters, numbers, symbols, Hiragana, and Katakana

Choose broad character groups with checkboxes, or switch to detailed mode to remove confusing characters such as I and 1 or limit output to a precise custom set.

セキュアな乱数パスワードを生成してアクセス管理やシステム運用をサポートするイメージ

Works immediately on desktop and mobile browsers

No account or install step is required. Generate local test values from a work laptop or phone whenever a temporary ID, token-like string, or sample value is needed.

文字数や複雑さを自由にカスタマイズしてテキスト文字列を生成できるダッシュボードのイメージ

Generate readable Japanese-style sample strings too

Hiragana and Katakana can be included for sample names, playful passphrases, content placeholders, or localization test data that should not look like production text.

Random String Generator for Letters, Symbols, and Kana Questions

Is the generated string stored anywhere?

No. Generation runs in your browser, and the string is not uploaded or stored on a server.

Can I use this to generate passwords?

Yes, you can. You can generate a secure password by making the string length as long as the service allows and selecting multiple character types.

Can I include Hiragana/Katakana?

Yes. Enable them to mix Japanese characters. Turn them off if your destination only accepts ASCII.

What is the maximum length I can generate?

Up to 2048 characters. Some services may reject very long strings, so adjust based on your use case.

Is it truly random?

It uses the browser’s `crypto.getRandomValues()` to generate randomness.

Random String Generator for Letters, Symbols, and Kana References

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