Developer tools

Free browser-based developer tools for everyday work. Format, encode, generate, and inspect — most of what you reach for, in the browser.

Formatter

  • JSON

    Paste or upload JSON and format it in your browser.

  • SQL

    Paste or upload SQL and format it in your browser.

Decode/Encode

  • JWT

    Encode, decode, sign, and inspect a JSON Web Token in your browser.

  • Base64

    Encode and decode Base64 text in your browser.

  • URL

    Encode and decode URL text in your browser.

Generator

  • UUID

    Generate UUID text in your browser.

  • Password

    Generate a password in your browser.

  • Hash

    Generate a hash in your browser.

Regex

  • Regex

    Build a regular expression from rules, then test, explain, and visualize it in your browser.

SQL Explain

  • MySQL

    Paste a MySQL or MariaDB EXPLAIN to visualize the plan, find bottlenecks, and get actionable fixes.

  • Postgres

    Paste a Postgres EXPLAIN to visualize the plan, find bottlenecks, and get actionable fixes.