All Free Tools
8,445 free online tools across 85 categories
Every tool here runs in your browser — no sign-up, no upload, nothing to install. 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 8,445 tools