Powerful Apps, Right in Your Browser
Experience lightning-fast productivity tools that respect your privacy. No accounts, no data tracking, just pure performance.
Our Free Productivity Suite
Discover local-first applications designed to help you work faster and more securely.
Local To-Do List
A private, local-first task manager. Your data stays in your browser. No accounts or sync required.
- No Registration
- Local Storage
- 100% Private
ChronoMaster
The ultimate online timer and stopwatch. Effortlessly create multiple custom timers with unique alarms.
- Multi-Timer Support
- Smart Resume
- Custom Alarms
LLM Pricing Calc
Compare AI provider tokenomics professional-grade comparisons. Optimize your AI spend instantly.
- 10+ Providers
- Cost Forecasts
- Live Data
Why Choose FonneLabs?
In an era where every website wants you to create an account and track your every move, FonneLabs stands for something different. We believe powerful software should be accessible, lightning-fast, and above all, private.
Privacy by Design
Most of our apps are "local-first," meaning your data never leaves your machine. We don't have servers that store your to-do lists or timers. Everything happens right in your browser's persistent storage.
No Hurdles, Just Flow
Forget about "Forgot Password" emails or setting up profiles. FonneLabs is built for instant utility. Bookmark the app, launch it, and get to work in seconds.
Our mission is to build a comprehensive suite of tools that replace bloated desktop software with sleek, high-performance web applications. Whether you're tracking tasks or calculating complex AI costs, FonneLabs provides the professional tools you need without the overhead.