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12 utilities
Developer Tools
Formatters, regex, cron, configs, and data converters for everyday engineering.
JSON Formatter
Validate, pretty-print, and minify JSON.
JSON ↔ CSV
Convert arrays of objects to CSV and back.
Regex Tester
Test matches and capture groups against sample text.
Cron Expression Builder
Compose a 5-field cron and explain it.
Chmod Calculator
Toggle Unix permission bits and copy chmod values.
Env File Draft
Build a .env skeleton from key names.
Gitignore Draft
Start a .gitignore from common stacks.
CSS Minifier
Strip comments and compress simple CSS.
CSS Beautifier
Indent CSS rules for readability.
JS / JSON String Escape
Escape text for use inside a string literal.
Unix Timestamp Lab
Convert between epoch seconds and local time.
HTML Minifier
Collapse safe whitespace in HTML.