complete catalogue
Developer Utility Tools
Browse our directory of 18 offline-ready developer utilities. All tasks run locally in your browser.
Data Format Converters
view suite →JSON Formatter & Validator →
Beautify, inspect, and validate JSON structures.
JSON to CSV Converter →
Convert structured JSON lists into CSV tables.
CSV to JSON Converter →
Rebuild flat CSV tables back to structured JSON.
JSON to YAML Converter →
Transform JSON strings into readable YAML syntax.
YAML to JSON Converter →
Re-parse YAML files back to JSON.
Markdown to HTML Converter →
Compile Markdown strings to ready-to-use HTML code.
Encoding & Cryptography
view suite →Mock Data & ID Generators
view suite →Text, Time & Styling
view suite →Unix Timestamp Converter →
Convert epochs to readable dates and vice-versa.
Cron Expression Generator →
Build and translate scheduled crontab cron expressions.
Text Case Converter →
Convert text casing (camelCase, snake_case, etc.).
Color Format Converter →
Convert values between HEX, RGB, and HSL colors.
Regex Tester Online →
Test regular expressions with matching and group captures.