About ToolRiv
ToolRiv is a growing collection of free online tools for everyday tasks — calculators, formatters, converters, and generators across finance, development, business, and health.
Every tool runs entirely in your browser. Nothing is sent to a server. No account required. No paywalls.
Why we built this
Most online tool sites are cluttered with ads, require signups, or make you wait for results. We wanted something faster and cleaner. ToolRiv is our answer — tools that just work.
What's here
- Finance tools — mortgage calculators, loan comparisons, compound interest
- Developer tools — JSON formatters, encoders, regex testers
- Business tools — invoice generators, profit calculators, tax estimators
- Health tools — BMI calculators, calorie counters, unit converters
Accuracy disclaimer
Our tools are built to be accurate, but results should not be treated as professional financial, legal, or medical advice. Always verify critical calculations with a qualified professional.
Contact
Found a bug or want to suggest a tool? Get in touch — we'd love to hear from you.