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開発者向けの便利なユーティリティ集。JSONフォーマッター、カラーコンバーター、base64と画像ファイルの相互変換、正規表現テストなど、多数のローカル処理ツールを提供。

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JSON FormatterFormat, minify and validate JSON instantly in your browser.
Base64 Encoder / DecoderEncode/decode text to Base64 and convert between images and Base64.
URL / HTML EncoderEncode or decode URL and HTML entities.
Word CounterCount Chinese/English characters, words, lines, paragraphs and top keywords.
Case & Sort LinesConvert text case; sort and deduplicate lines.
Timestamp ConverterConvert between Unix timestamps and readable dates.
Radix ConverterConvert numbers between base 2, 8, 10 and 16.
Color ConverterConvert HEX/RGB/HSL colors and simulate color blindness.
Regex TesterTest regular expressions and preview matches.
Password & UUID GeneratorGenerate strong random passwords and UUIDs.
MD5 / SHA HashCompute MD5, SHA-1 and SHA-256 locally for text or files.

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