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Developer Tools
Free developer tools — JSON, Base64, hashing, timestamps, regex, converters and more. All in your browser, no signup.
JSON Formatter
Format, validate, minify JSON.
Base64 Encoder
Encode & decode text.
Hash Generator
MD5, SHA-1, SHA-256, SHA-512.
Timestamp Converter
Unix epoch ↔ date.
Timestamp to Date
Unix time → human date.
Regex Tester
Test & highlight matches.
CSV ↔ JSON
CSV ↔ JSON both ways.
JSON ↔ XML
JSON ↔ XML converter.
HTML Minifier
Minify & prettify HTML.
Slug & URL Encoder
Slug + URL encode.
JSON Diff
Side-by-side JSON diff.
JWT Decoder
Decode JWT payloads.
Base Converter
Hex, bin, dec, oct.
XML Formatter
Format & validate XML.
YAML to JSON
Convert YAML to JSON.
CSS Minifier
Minify & beautify CSS.
HTML Encoder
Encode & decode HTML entities.
Cron Generator
Visual cron builder.