Free, simple, privacy-first online tools. No sign-up. No tracking.
A growing collection of free web tools — sleep cycle calculator, BMI checker, 2FA code generator, IP reputation lookup, password generator, and more. All tools run in your browser. No data collected.
Available Tools
Find your optimal bedtime using 90-minute sleep cycles. 7 languages.
Body Mass Index with WHO classification and regional standards. 7 languages.
Generate TOTP two-factor codes. Shows prev/current/next 30s windows. Offline-capable.
Coming Soon
TDEE and daily calorie needs based on age, weight, height, and activity level.
Generate strong random passwords with customizable length and character sets.
Create professional invoices quickly. Free, no account required.
Generate beautiful color schemes from images or AI-powered suggestions.
Check IP geolocation, proxy/VPN detection, and blacklist reputation score.