FreeTool24 – Developer Toolkit

Tracking since Apr 30, 2026.

Changelog

• May 7, 2026
  description

  FreeTool24 is a Chrome side panel extension that gives you instant access to 277 free online tools without leaving your current tab.
  
  
  WHAT YOU GET
  
  • 277 tools across 15 categories: Developer, SEO, Image, Text, Video, Audio, Calculator, Security, Network, Health, Data, Games and more
  • Instant search with match highlighting — find any tool in under 1 second
  • Open any tool directly in the side panel without switching tabs
  • Star your favorite tools for one-click access
  • Recently used tools remembered automatically
  • Right-click context menu for quick access to popular tools
  • Keyboard shortcut: Alt+Shift+F to open the panel instantly
  
  POPULAR TOOLS INCLUDED
  
  • JSON Formatter, Base64 Encode/Decode, Regex Tester, Markdown Preview
  • Loan Calculator, BMI Calculator, Timestamp Converter
  • IP Lookup, Word Counter, Color Picker — and 260+ more
  
  COMPLETELY FREE
  
  • No login or account required
  • No ads, no tracking
  • Works offline for most tools
  • All tools powered by freetool24.com
  Perfect for developers, designers, students, and anyone who needs quick access to everyday online utilities.

  FreeTool24 is a Chrome side panel extension that gives you instant access to 430+ free online tools without leaving your current tab.
  
  WHAT YOU GET
  
  • 430+ tools across 17 categories: SEO, Image, PDF, Calculator, Developer, Text, Network, Security, Data, Finance, Health, Audio, Video, Time, AI, Games, and Misc utilities
  • Instant search with match highlighting — find any tool in under 1 second
  • Open any tool directly in the side panel without switching tabs
  • Star your favorite tools for one-click access
  • Recently used tools remembered automatically
  • Right-click any page → Analyze this page: count words, score readability, extract links / images / colors / meta tags / JSON-LD, or convert the page to Markdown — all prefilled into the matching tool
  • Address bar shortcut: type "ft" + space to search 430+ tools right from Chrome's omnibox
  • Keyboard shortcut: Alt+Shift+F to open the panel instantly
  
  POPULAR TOOLS INCLUDED
  
  • JSON Formatter, Base64 Encode/Decode, Regex Tester, Markdown ↔ HTML
  • Password Generator, QR Code Generator, Hash Generator, AES Encryption
  • Loan Calculator, BMI Calculator, Timestamp Converter, Unit Converter
  • IP Lookup, Word Counter, Keyword Density, Readability Score
  • Color Picker, Image Resizer, Color Extractor — and 410+ more
  
  COMPLETELY FREE
  
  • No login or account required
  • No ads, no tracking
  • 100% client-side processing — your data never leaves your browser
  • Works offline for most tools
  • All tools powered by freetool24.com
  
  Perfect for developers, designers, writers, marketers, students, and anyone who needs quick access to everyday online utilities.

• May 7, 2026
  short_description

  308 free tools: JSON, image, text, video, audio, calculator, finance, health, AI & more. No login. No ads.

  430+ free tools: JSON, image, text, video, audio, calculator, finance, health, AI & more. Side panel. No login. No ads.

• May 7, 2026
  host_permissions

  https://freetool24.com/*

  https://freetool24.com/*, http://localhost:3000/*

• May 7, 2026
  permissions

  contextMenus, sidePanel

  activeTab, contextMenus, scripting, sidePanel

Permissions & access

Permissions

activeTabcontextMenusscriptingsidePanel

Host access

https://freetool24.com/*, http://localhost:3000/*

Screenshots