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Developer Tools

Format, encode, and debug developer data.

Developer tools on ToolMint cover everyday debugging and formatting jobs: JSON, YAML, XML, SQL, CSS, HTML, JWTs, Base64, UUIDs, regex, cron expressions, and more.

These utilities are meant for quick inspection - pretty-printing a payload, validating structure, decoding a token you already have permission to view, or testing a regular expression against sample input.

They are not a replacement for your IDE or CI pipeline. Use them when you need a trustworthy, fast browser helper without installing another CLI or opening a heavy desktop app.

15 available · 10 coming soon

Guide

Who developer tools help

Practical context before you pick a utility.

  • Backend and frontend engineers debugging API payloads
  • QA engineers validating fixtures and encoded strings
  • DevOps folks checking cron syntax or timestamp conversions

Tips for better results

  • Never paste production secrets into any online tool - use redacted samples.
  • Validate JSON before converting it to another format to catch syntax errors early.
  • Keep a short fixture snippet handy for regex and formatter checks.

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Featured tools users open most often.

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Newest tools in this category.

FAQ

Frequently asked questions about developer tools

Quick answers before you pick a tool.

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