Developer Tools

Browse free developer tools and references on Here Be Tools. Choose a tool to see its capabilities and use it in your browser.

• Chmod Calculator — Build Unix file permission masks visually
• Cron Parser — Parse cron expressions to plain English
• GraphQL Formatter — Format, minify and analyze GraphQL queries
• Hash Generator — Generate SHA-1/256/384/512 hashes
• JS Playground — Run and lint JavaScript in the browser with live console output
• Number Base — Convert between decimal, hex, binary, octal
• PEM Decoder — Decode X.509 certificates from PEM format
• Regex Tester — Test and debug regular expressions
• Robots.txt — Generate and analyze robots.txt files
• SQL Formatter — Format and beautify SQL queries
• Timestamp — Convert Unix timestamps to human-readable dates with timezone support
• Unicode Inspector — Analyze Unicode characters and code points
• UUID Generator — Generate v4 UUIDs in bulk and copy them instantly

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