| What it does | Measure your reaction time and see where you rank against everyone else on the same device
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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 conversion and merging tools
- Image compression and format conversion
- Background removal with transparent PNG export
- QR code generation with customization options
- JSON formatting, validation and minification
- Password generator with custom character sets
- Text analysis including word and character count
- JWT token decoder for browser-based validation
- Video downloader for 190+ platforms
- Responsive design for desktop, tablet and mobile
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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
| - Client-side processing keeps files on your device for privacy
- No accounts, queues or login friction to start using tools
- Integrated learning platform with courses and guides alongside tools
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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 | 12 ▲ +6 (up) since last check |
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| Trust Flow (Majestic) | 2 | 0 |
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| Citation Flow (Majestic) | 22 | 15 |
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| Referring domains (Majestic) | 9 | 10 |
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BenchSelf