About toolscoder.com

toolscoder.com is a free collection of fast, browser-based developer tools — built for developers, engineers, and anyone who works with code and data.

Every tool runs entirely in your browser. No account required, no data sent to a server, no tracking beyond standard analytics. The goal is simple: useful tools that load instantly and get out of your way.

Tools

  • JSON Formatter — format, validate, and minify JSON instantly.
  • Base64 Converter — encode and decode text to and from Base64 format instantly.
  • Binary Converter — convert text, decimal, and hexadecimal to binary and back.
  • Hash Generator — generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes.
  • URL Encoder / Decoder — encode and decode percent-encoded URL strings.
  • Color Converter — convert between HEX, RGB, HSL, and HSV color formats.
  • Number Base Converter — convert numbers between binary, octal, decimal, hex, and any base.
  • UUID Generator — generate cryptographically random UUID v4 values, single or in bulk.
  • JWT Decoder — decode and inspect JWT tokens — header, payload, and expiry status.
  • Regex Tester — test JavaScript regular expressions with live match highlighting and capture group table.
  • JSON to TypeScript — convert a JSON sample into TypeScript interface declarations instantly.
  • URL Slug Generator — convert any title or phrase into a clean, SEO-friendly URL slug.
  • Google SERP Preview — preview how your page title, description, and URL will appear in Google search results.
  • JSON to Go — convert a JSON sample into Go struct definitions with json tags, instantly.
  • Cron Expression Generator — build cron expressions with presets and get a plain-English description.
  • Meta Tag Generator — generate title, description, canonical, Open Graph, and Twitter Card HTML tags.
  • Canonical Tag Generator — generate a clean <link rel="canonical"> tag from any URL.

Contact

Questions or feedback? Reach out on Bluesky.