Free Online Tools for Everyone
Fast, private, and free. All tools run in your browser — nothing is uploaded to any server.
Popular Tools
JSON Formatter
Format, validate, minify and beautify JSON instantly
Password Generator
Generate strong, secure passwords with customizable options
Word Counter
Count words, characters, sentences, and reading time
QR Code Generator
Generate QR codes for any URL, text, or data
Base64 Encoder/Decoder
Encode and decode Base64 strings instantly
Text Diff Checker
Compare two texts and find differences side by side
Case Converter
Convert text to UPPERCASE, lowercase, Title Case and more
Lorem Ipsum Generator
Generate placeholder text for your designs and mockups
Color Picker
Pick colors, get HEX, RGB, and HSL values
Text to Speech
Convert any text to natural-sounding speech
Why ToolBox?
100% Free
No hidden fees, no premium plans. Every tool is completely free.
No Signup
Use any tool instantly. No account, no email, no waiting.
Private
All processing happens in your browser. Nothing is uploaded.
Fast
Instant results. No loading screens, no server delays.
Mobile Friendly
Works perfectly on your phone, tablet, or desktop.
Accurate
Built with standard algorithms for reliable results every time.
Free Online Tools You Can Trust
ToolBox is a collection of free, fast, and private online tools designed for developers, writers, students, and everyday users. Every tool runs entirely in your browser — we never see your data.
For Developers
Format JSON, encode Base64, generate UUIDs, and validate data with our developer-focused tools. All tools support keyboard shortcuts and work offline after first load.
For Writers
Count words and characters, check readability, generate placeholder text, and convert text case — all without leaving your browser.
For Everyone
Generate QR codes, create strong passwords, pick colors, and convert text to speech. Simple tools that solve everyday problems.