| What it does | Measure your reaction time and see where you rank against everyone else on the same device
| Free online tools that run entirely in your browser with no uploads, signup, or tracking
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| Stage | Not given
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| Founded | Not given
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| Based in | US
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Reaction time measurement with five trials and median scoring
- Device-specific percentile ranking (mouse, trackpad, touchscreen)
- Exportable score history stored in your browser
- Embeddable tests for third-party websites
- Anonymous population distribution comparison without tracking
| - PDF editing with original fonts preserved
- Image compression to exact KB target
- PDF tools including merge, split and OCR
- Over 100 calculators for math, finance and home projects
- Unit converters and data format converters
- Document and code generators
- Text processing and analysis tools
- Developer utilities including UUID and Base64 tools
- Fancy text and invisible character generators
- All tools run locally in browser with no server uploads
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| What makes it different | - Device-specific rankings that account for hardware differences like screen refresh rate and input latency
- No accounts, no tracking, and no third-party scripts or advertising
- Transparent methodology with published reference data sources and clear limitations
- Fully embeddable tests with no installation or sign-up required
- Median scoring from multiple trials to reduce noise and account for natural variability
| - All tools run entirely in your browser with no file uploads to servers
- No signup or account creation required
- No watermarks or paywalls on any tool
- Each tool tested before launch and automatically re-tested regularly
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 2 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 2 | 0 |
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| Citation Flow (Majestic) | 22 | 12 |
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| Referring domains (Majestic) | 9 | 1 |
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BenchSelf
ToolVaultly