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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 | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Symbols & Unicode | Open | ||
| Space & Astronomy | Open | ||
| Geology Tools | Open | ||
| Generators | Open | ||
| Math Calculators | Open | ||
| Symbols & Unicode | Open | ||
| Sports Tools | Open | ||
| Science Tools | Open | ||
| Symbols & Unicode | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Unit Converters | Open | ||
| Text Tools | Open | ||
| Marketing Tools | Open | ||
| Marketing Tools | Open | ||
| Marketing Tools | Open | ||
| Generators | Open | ||
| Developer Tools | Open | ||
| Image Tools | Open | ||
| SEO Tools | Open | ||
| Computer Science Tools | Open | ||
| Finance Tools | Open | ||
| Symbols & Unicode | Open | ||
| Symbols & Unicode | Open | ||
| Symbols & Unicode | Open | ||
| Symbols & Unicode | Open | ||
| Symbols & Unicode | Open | ||
| Symbols & Unicode | Open | ||
| Generators | Open | ||
| Science Tools | Open | ||
| Chemistry Tools | Open | ||
| HR & Payroll | Open | ||
| Symbols & Unicode | Open | ||
| Symbols & Unicode | Open | ||
| Engineering Tools | Open | ||
| Video Tools | Open | ||
| Anesthesia Tools | Open | ||
| Engineering Tools | Open | ||
| Engineering Tools | Open | ||
| Energy Tools | Open |