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Developer Tools
Browse free online Developer Tools on AI Super Tools — fast, private, no installation, available in 11 languages.
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Free
JSON Formatter
Format, validate, minify and sort JSON — 100% in your browser
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Free
Base64 Encode / Decode
UTF-8 safe Base64 with URL-safe variant and file support
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Free
UUID Generator
Bulk UUID v4 & time-ordered v7 (RFC 9562), client-side
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Free
Hash Generator
MD5, SHA-1, SHA-256, SHA-512 & CRC32 with HMAC and checksum verification
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Free
JWT Decoder & Verifier
Decode JSON Web Tokens and verify HS/RS/ES/PS signatures — fully in your browser
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Free
Unix Timestamp Converter
Convert epoch time to a date and back — seconds, millis, micros & nanos
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Free
Regex Tester
Test regular expressions live with match highlighting, groups and replace