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8,456 free online tools across 85 categories
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| Tool | Category | Description | Action |
|---|---|---|---|
| Engineering Tools | Open | ||
| Engineering Tools | Open | ||
| Astrology Tools | Open | ||
| Jewelry Tools | Open | ||
| Text Tools | Open | ||
| Reference Tools | Open | ||
| Biology Tools | Open | ||
| Biology Tools | Open | ||
| Energy Tools | Open | ||
| Engineering Tools | Open | ||
| Electrical Tools | Open | ||
| Electrical Tools | Open | ||
| Biology Tools | Open | ||
| Health & Fitness | Open | ||
| Health & Fitness | Open | ||
| Geography Tools | Open | ||
| Networking Tools | Open | ||
| Science Tools | Open | ||
| Math Calculators | Open | ||
| Math Calculators | Open | ||
| Math Calculators | Open | ||
| Math Calculators | Open | ||
| Symbols & Unicode | Open | ||
| Science Tools | Open | ||
| Geology Tools | Open | ||
| Language Tools | Open | ||
| Chemistry Tools | Open | ||
| Chemistry Tools | Open | ||
| Chemistry Tools | Open | ||
| Finance Tools | Open | ||
| Finance Tools | Open | ||
| Culture & Trivia | Open | ||
| Finance Tools | Open | ||
| Finance Tools | Open | ||
| Date & Time | Open | ||
| Finance Tools | Open | ||
| Gardening Tools | Open | ||
| Gardening Tools | Open | ||
| Agriculture Tools | Open | ||
| Health & Fitness | Open | ||
| Health & Fitness | Open | ||
| Health & Fitness | Open | ||
| Currency Converters | Open | ||
| Currency Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Generators | Open | ||
| Chemistry Tools | Open |