Dev
Dev tools
Formatters, encoders, and inspectors for everyday engineering.
JSON Formatter
Pretty-print, minify, and validate JSON.
devJSON to YAML
Convert JSON and YAML in either direction.
devJSON to CSV
Flatten an array of objects into a table.
devXML Formatter
Indent XML and surface well-formedness errors.
devRegex Tester
JavaScript regular expressions with live matches.
devBase64 Encoder
Encode and decode Base64 text.
devURL Encoder
encodeURIComponent and decode in one box.
devJWT Decoder
Read header and payload. No signature check.
devHash Generator
SHA-256, SHA-1, and MD5 in the tab.
devUUID Generator
v4 UUIDs, as many as you need.
devCron Parser
Explain a five or six field cron expression.
devCSS Formatter
Indent stylesheets or minify them.
devJavaScript Formatter
Indent JS or JSON-looking scripts locally.
devSQL Formatter
Indent SELECT, INSERT, and common DDL.
devYAML Validator
Parse YAML and show the first error.
devEnv Parser
Read .env files into a table or JSON.
devUser-Agent Parser
Split a UA string into browser, engine, and OS.
devHTTP Status Codes
Look up 1xx through 5xx meanings.