About Tonle
Tonle is a collection of 15 free online tools designed to help you with everyday calculations, financial planning, cryptocurrency analysis, word processing, and developer tasks.
Named after Tonle Sap — the great lake of Cambodia — we believe useful tools should be like water: always available, refreshingly simple, and essential for everyday life.
Why Tonle?
Fast & Lightweight
Every tool loads instantly and runs entirely in your browser. No server round-trips, no waiting.
Privacy First
Your data never leaves your device. No accounts, no tracking, no data selling. Ever.
Free Forever
No premium tiers, no paywalls, no hidden fees. Every tool is 100% free to use.
Open & Transparent
Built with modern web technologies. Clean code, no bloat, no dark patterns.
What We Offer
Finance & Crypto
Track investments, plan DCA strategies, calculate loans, and convert currencies.
Word & Text
Count words, convert cases, generate placeholder text, and create secure passwords.
Developer Utilities
Format JSON, encode data, convert colors, and generate QR codes.
Built With
Ready to try our tools?
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