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Convert raw text into HTML-safe entities and decode entity strings back into readable content.

Create UUID v4 style identifiers quickly with options for count, case, and hyphen formatting.

調整可能な長さと文字ルールを使用して、強力なランダムなパスワードをブラウザで作成します.

Encode query strings, decode percent-encoded URLs, and handle browser-safe links quickly.

Convert text to Base64 and decode Base64 strings instantly for debugging, API, and browser workflows.