All 280+ Free Online Tools — Browse by Category
Browse 280+ free tools: calculators, converters, PDF tools, text tools & generators. Search, filter by category. No signup, instant results.
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- Finance calculators — mortgage, loan, investment, retirement, tax
- Health calculators — BMI, calories, body fat, TDEE, heart rate
- Developer tools — password generator, JSON formatter, QR code, color picker
- Text tools — word counter, case converter, text cleaner, readability checker
- Unit converters — length, weight, temperature, speed, currency
- Productivity tools — timers, Pomodoro, PDF merge, compress, invoice generator