All Free Tools
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.
| Tool | Category | Description | Action |
|---|---|---|---|
|
2FA Code Generator
|
Security & Privacy | Open | |
|
3 Hour Timer
|
Date & Time | Open | |
|
3 Minute Timer
|
Date & Time | Open | |
|
3:2 Aspect Ratio Calculator
|
Math Calculators | Open | |
|
30 Minute Timer
|
Date & Time | Open | |
|
30 Second Timer
|
Date & Time | Open | |
|
31 Minute Timer
|
Date & Time | Open | |
|
32 Minute Timer
|
Date & Time | Open | |
|
32:9 Aspect Ratio Calculator
|
Reference Tools | Open | |
|
33 Minute Timer
|
Date & Time | Open | |
|
34 Minute Timer
|
Date & Time | Open | |
|
35 Minute Timer
|
Date & Time | Open | |
|
35mm x 45mm Photo Resizer
|
Image Tools | Open | |
|
36 Minute Timer
|
Date & Time | Open | |
|
37 Minute Timer
|
Date & Time | Open | |
|
38 Minute Timer
|
Date & Time | Open | |
|
39 Minute Timer
|
Date & Time | Open | |
|
3D Cross Product Calculator
|
Math Calculators | Open | |
|
3D Dot Product Calculator
|
Math Calculators | Open | |
|
3D Print Cost Calculator
|
Home & DIY | Open | |
|
3D Print Filament Calculator
|
Engineering Tools | Open | |
|
3D Print Time Estimator
|
Home & DIY | Open | |
|
4 Hour Timer
|
Date & Time | Open | |
|
4 Minute Timer
|
Date & Time | Open | |
|
4:3 Aspect Ratio Calculator
|
Math Calculators | Open | |
|
40 Minute Timer
|
Date & Time | Open | |
|
401(k) Calculator
|
Finance Tools | Open | |
|
41 Minute Timer
|
Date & Time | Open | |
|
42 Minute Timer
|
Date & Time | Open | |
|
43 Minute Timer
|
Date & Time | Open | |
|
432 Hz Converter
|
Music Tools | Open | |
|
44 Minute Timer
|
Date & Time | Open | |
|
45 Minute Timer
|
Date & Time | Open | |
|
45 Second Timer
|
Date & Time | Open | |
|
46 Minute Timer
|
Date & Time | Open | |
|
47 Minute Timer
|
Date & Time | Open | |
|
48 Minute Timer
|
Date & Time | Open | |
|
49 Minute Timer
|
Date & Time | Open | |
|
4K Resolution Reference
|
Reference Tools | Open | |
|
5 Hour Timer
|
Date & Time | Open | |
|
5 Minute Timer
|
Date & Time | Open | |
|
5 Second Timer
|
Date & Time | Open | |
|
5:4 Aspect Ratio Calculator
|
Math Calculators | Open | |
|
5/3/1 Calculator
|
Fitness Tools | Open | |
|
50 Minute Timer
|
Date & Time | Open | |
|
500 Rule Astrophotography Calculator
|
Photography Tools | Open | |
|
51 Minute Timer
|
Date & Time | Open | |
|
52 Minute Timer
|
Date & Time | Open |
Showing 49–96 of 8,456 tools