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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 | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Science Tools | Open | ||
| Engineering Tools | Open | ||
| Image Tools | Open | ||
| Image Tools | Open | ||
| Ebook Tools | Open | ||
| Ebook Tools | Open | ||
| Ebook Tools | Open | ||
| Ebook Tools | Open | ||
| Ebook Tools | Open | ||
| Health & Fitness | Open | ||
| Reference Tools | Open | ||
| Reference Tools | Open | ||
| Health & Fitness | Open | ||
| Agriculture Tools | Open | ||
| Weather 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 | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Veterinary Tools | Open | ||
| Health & Fitness | Open | ||
| Construction Tools | Open | ||
| Math Calculators | Open | ||
| Food & Cooking | Open | ||
| Physics Tools | Open | ||
| Science Tools | Open | ||
| Agriculture Tools | Open |