HTML Encoder & Decoder Escape or unescape HTML entities, including named entities, numeric references, and emoji.
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URL Encoder & Decoder Encode or decode URLs and query values with correct handling of reserved characters and Unicode.
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Base64 Encoder & Decoder Encode text or files to Base64 and decode Base64 back to text or bytes.
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2FA Code Generator Generate TOTP codes from a Base32 secret with support for SHA-1, SHA-256, SHA-512, and custom periods.
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JSON Formatter & Validator Pretty-print, minify, and validate JSON with helpful error positions and one-click copy.
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XML Formatter Validate and pretty-print XML with configurable indentation, or minify it for transport.
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Regex Tester Test regular expressions with live matches, capture groups, flags, and safe highlighted output.
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Code Minifier Minify JavaScript, CSS, and HTML with real parsers and a safe, size-saving result.
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Color Picker & Converter Pick a color and convert between HEX, RGB, HSL, and HSV with validation.
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Cron Expression Generator Build cron expressions from readable options, validate them, and preview the next run times.
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