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Base64 encoder / decoder URL encoder / decoder ROT13 & Caesar cipher Base32 encoder / decoder Text to hex converter

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Hash & checksum File checksum Hash identifier

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JSON formatter & validator CSV ⇄ JSON converter

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Case converter Regex tester Text statistics URL slug generator Markdown preview Sort & dedupe lines Text diff Word & character frequency Pattern extractor Unicode code point inspector Find and replace

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Timestamp converter Date difference Time zone converter Seconds to duration converter

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Number base converter Unit converter Percentage calculator Number formatter Numbers to English words Bitwise calculator Roman numeral converter Byte size converter Statistics calculator

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Color converter Colour palette builder px - rem converter Aspect ratio calculator CSS gradient builder Box shadow builder CSS clamp() generator Colour contrast checker

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JWT decoder AES encrypt / decrypt TOTP code generator

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CSS & HTML minifier JSON to TypeScript String escape / unescape

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Query string parser HTML entity encoder Keyboard event inspector URL parser HTTP status codes MIME type lookup Meta tag generator robots.txt generator IPv4 subnet calculator Content-Security-Policy builder User-Agent parser

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Cron expression explainer chmod calculator

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.gitignore generator Licence picker GitHub Actions cron helper Semantic version checker Conventional commit builder

Home/Tools/Date difference

Date difference

How long between two moments, expressed in years/months/days plus totals, and counting weekdays.

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