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8,456 free online tools across 85 categories
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| Tool | Category | Description | Action |
|---|---|---|---|
| Science Tools | Open | ||
| Finance Tools | Open | ||
| Engineering Tools | Open | ||
| Engineering Tools | Open | ||
| Language Tools | Open | ||
| Generators | Open | ||
| Number Tools | Open | ||
| Language Tools | Open | ||
| Symbols & Unicode | Open | ||
| Electrical Tools | Open | ||
| Currency Converters | Open | ||
| Currency Converters | Open | ||
| Construction Tools | Open | ||
| Construction Tools | Open | ||
| Construction Tools | Open | ||
| HVAC Tools | Open | ||
| Audio Tools | Open | ||
| Construction Tools | Open | ||
| Engineering Tools | Open | ||
| Marine Tools | Open | ||
| Gardening Tools | Open | ||
| Developer Tools | Open | ||
| Text Tools | Open | ||
| Developer Tools | Open | ||
| Text Tools | Open | ||
| Developer Tools | Open | ||
| Text Tools | Open | ||
| Engineering Tools | Open | ||
| Math Calculators | Open | ||
| Physics Tools | Open | ||
| Finance Tools | Open | ||
| Math Calculators | Open | ||
| Number Tools | Open | ||
| Education | Open | ||
| Gardening Tools | Open | ||
| Sports Tools | Open | ||
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| Databases | Open | ||
| Fitness Tools | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Automotive Tools | Open | ||
| Security & Privacy | Open | ||
| Health & Fitness | Open | ||
| SEO Tools | Open | ||
| Home & DIY | Open |