FreeTool24 – Developer Toolkit

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

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.