TontonTools
Web Development

Every Free Web Developer Tool on TontonTools

Enyong Carinton Tegum· June 2, 2026· 4 min read
Free web developer tools
Photo by Paras Katwal on Pexels

The everyday developer utilities that save you time — formatters, validators, encoders, minifiers and more. All free and client-side.

Here is the complete list of our 40 free web development — each one is free, needs no account, and works instantly in your browser.

All 40 Web Development

  • Base64 Decode — Decode Base64 strings back to readable text instantly and privately.
  • Base64 Encode — Encode any text or data to Base64 instantly and privately.
  • Border Radius Generator — Free online Border Radius Generator — fast, accurate, and 100% private. No signup needed.
  • Box Shadow Generator — Free online Box Shadow Generator — fast, accurate, and 100% private. No signup needed.
  • Color Palette Generator — Free online Color Palette Generator — fast, accurate, and 100% private. No signup needed.
  • Cron Expression Parser — Cron Expression Parser that works instantly in your browser. Free, unlimited, no login.
  • CSS Beautifier — Free online CSS Beautifier — fast, accurate, and 100% private. No signup needed.
  • CSS Gradient Generator — Free online CSS Gradient Generator — fast, accurate, and 100% private. No signup needed.
  • CSS Grid Generator — Free online CSS Grid Generator — fast, accurate, and 100% private. No signup needed.
  • CSS Minifier — Free online CSS Minifier — fast, accurate, and 100% private. No signup needed.
  • CSV to JSON — CSV to JSON that works instantly in your browser. Free, unlimited, no login.
  • Diff Checker — A fast, free Diff Checker for everyday work. Private and ad-supported, no account required.
  • Flexbox Playground — Flexbox Playground that works instantly in your browser. Free, unlimited, no login.
  • GitHub Readme Generator — Free online GitHub Readme Generator — fast, accurate, and 100% private. No signup needed.
  • Gitignore Generator — Free online Gitignore Generator — fast, accurate, and 100% private. No signup needed.
  • HTML Beautifier — Free online HTML Beautifier — fast, accurate, and 100% private. No signup needed.
  • HTML Decoder — Free online HTML Decoder — fast, accurate, and 100% private. No signup needed.
  • HTML Encoder — A fast, free HTML Encoder for everyday work. Private and ad-supported, no account required.
  • HTML Minifier — A fast, free HTML Minifier for everyday work. Private and ad-supported, no account required.
  • HTML to Markdown — Free online HTML to Markdown — fast, accurate, and 100% private. No signup needed.
  • HTTP Request Builder — Free online HTTP Request Builder — fast, accurate, and 100% private. No signup needed.
  • JavaScript Beautifier — A fast, free JavaScript Beautifier for everyday work. Private and ad-supported, no account required.
  • JavaScript DeObfuscator — A fast, free JavaScript DeObfuscator for everyday work. Private and ad-supported, no account required.
  • JavaScript Minifier — Use the JavaScript Minifier free — clean results in seconds, nothing to install.
  • JavaScript Obfuscator — JavaScript Obfuscator that works instantly in your browser. Free, unlimited, no login.
  • JSON Editor — Use the JSON Editor free — clean results in seconds, nothing to install.
  • JSON Formatter — Beautify, indent and validate JSON instantly — right in your browser.
  • JSON Minifier — JSON Minifier that works instantly in your browser. Free, unlimited, no login.
  • JSON to CSV — Use the JSON to CSV free — clean results in seconds, nothing to install.
  • JSON to JSON Schema — A fast, free JSON to JSON Schema for everyday work. Private and ad-supported, no account required.
  • JSON to TSV — Use the JSON to TSV free — clean results in seconds, nothing to install.
  • JSON to XML — Use the JSON to XML free — clean results in seconds, nothing to install.
  • JSON Validator — Free online JSON Validator — fast, accurate, and 100% private. No signup needed.
  • JSON Viewer — Use the JSON Viewer free — clean results in seconds, nothing to install.
  • JWT Decoder — Decode a JSON Web Token's header and payload instantly and privately.
  • Markdown to HTML Converter — Markdown to HTML Converter that works instantly in your browser. Free, unlimited, no login.
  • Regex Tester — Test and debug regular expressions against your text in real time.
  • SQL Formatter — Use the SQL Formatter free — clean results in seconds, nothing to install.
  • TSV to JSON — Free online TSV to JSON — fast, accurate, and 100% private. No signup needed.
  • XML to JSON — Free online XML to JSON — fast, accurate, and 100% private. No signup needed.

Bottom line

That is every web development we offer, all free and in one place. Bookmark this page so you always have the full toolkit a click away — and explore the other categories on TontonTools for 330+ tools in total.

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