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8,456 free online tools across 85 categories
No sign-up and nothing to install. Most tools process input in your browser; tools that need live data or another network service should explain it clearly. Convert files, format code, generate text, run calculations, and check SEO across PDF, image, developer, finance, and unit-conversion tools. Pick one and start.
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| Tool | Category | Description | Action |
|---|---|---|---|
| Unit Converters | Open | ||
| Marine Tools | Open | ||
| Food & Cooking | Open | ||
| Date & Time | Open | ||
| Statistics Tools | Open | ||
| Currency Converters | Open | ||
| Currency Converters | Open | ||
| Currency Converters | Open | ||
| Chemistry Tools | Open | ||
| Chemistry Tools | Open | ||
| Chemistry Tools | Open | ||
| Chemistry Tools | Open | ||
| Developer Tools | Open | ||
| Health & Fitness | Open | ||
| Computer Science Tools | Open | ||
| Math Calculators | Open | ||
| Engineering Tools | Open | ||
| Engineering Tools | Open | ||
| Engineering Tools | Open | ||
| Engineering Tools | Open | ||
| Engineering Tools | Open | ||
| Engineering Tools | Open | ||
| Engineering Tools | Open | ||
| Engineering Tools | Open | ||
| Currency Converters | Open | ||
| Currency Converters | Open | ||
| Engineering Tools | Open | ||
| Electrical Tools | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Color Tools | Open | ||
| Color Tools | Open | ||
| Color Tools | Open | ||
| Color Tools | Open | ||
| Color Tools | Open | ||
| Color Tools | Open | ||
| Color Tools | Open | ||
| Color Tools | Open | ||
| PDF Tools | Open | ||
| Math Calculators | Open | ||
| Astrophysics Tools | Open | ||
| Symbols & Unicode | Open | ||
| Construction Tools | Open | ||
| Engineering Tools | Open |