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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.
8,456 tools
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| Tool | Category | Description | Action |
|---|---|---|---|
| Text Tools | Open | ||
| Language Tools | Open | ||
| Engineering Tools | Open | ||
| Astrophysics Tools | Open | ||
| Space & Astronomy | Open | ||
| Space & Astronomy | Open | ||
| Writing Tools | Open | ||
| Math Calculators | Open | ||
| Math Calculators | Open | ||
| Developer Tools | Open | ||
| Education | Open | ||
| Math Calculators | Open | ||
| Sports Tools | Open | ||
| Text Tools | Open | ||
| Date & Time | Open | ||
| Developer Tools | Open | ||
| Sports Tools | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Aviation Tools | Open | ||
| Color Tools | Open | ||
| Finance Tools | Open | ||
| Finance Tools | Open | ||
| Engineering Tools | Open | ||
| Math Calculators | Open | ||
| Physics Tools | Open | ||
| Food & Cooking | Open | ||
| Plumbing Tools | Open | ||
| Chemistry Tools | Open | ||
| Chemistry Tools | Open | ||
| Music Tools | Open | ||
| Accessibility Tools | Open |