Free Online Tools
That Actually Work
No signup. No tracking. No bloat. Just fast, browser-based tools that do one job well.
✓ 100% Free
✓ No Signup
✓ Works Offline
✓ 10+ Tools
✓ Privacy First
No tools found. Try a different keyword.
Security & Random
View all →Text Tools
View all →📊
Word Counter Live
Count words, characters, sentences and get reading time.
🔡
Character Counter Live
Check limits for Twitter, SMS, Instagram, and LinkedIn.
📄
Lorem Ipsum Generator Soon
Aa
Text Case Converter Soon
Calculators
View all →Converters
View all →🌡️
Temperature Converter Live
Convert Celsius, Fahrenheit, Kelvin, and Rankine instantly.
📏
Unit Converter Soon
01
Binary Converter Soon
Ⅳ
Roman Numeral Converter Soon
Developer Tools
View all →{ }
JSON Formatter Live
Format, validate, and minify JSON with error detection.
📱
QR Code Generator Live
QR codes for URLs, text, email, phone, Wi-Fi. Download PNG.
🔢
Base64 Encoder Soon
🔗
URL Encoder Soon
Why choose ToolFlash?
Instant Results
All calculations happen in your browser. No server, no waiting, no delays.
Private by Design
Your data never leaves your device. We don't track, store, or sell anything you type.
Works Everywhere
Fully responsive on mobile, tablet, and desktop. No app to install.
Always Free
No subscriptions, no premium tiers, no hidden fees. Every tool is free, forever.