| What it does | Free online device tests and calculators that run in your browser with nothing to install or upload
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| Pricing model | Free
| Free
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| Key features | - Microphone testing with live input levels and recording
- Speaker and headphone testing with frequency sweeps
- Webcam testing with resolution and frame rate display
- Keyboard testing for dead, stuck and double-typing keys
- Mouse and controller testing with button and drift detection
- Typing speed and CPS measurement tools
- Date and time calculators with formatting options
- Number to words converter in multiple formats
- Privacy by design with no data sent to servers
| - Download thumbnails in HD 1280×720 resolution
- Download five thumbnail sizes (HD, SD, HQ, Medium, Small)
- Support YouTube Shorts and youtu.be links
- No signup or account required
- No watermark on downloaded images
- Unlimited downloads with no daily limit
- Works on mobile, tablet, and desktop
- Private browser-based processing
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| What makes it different | - No installation, account or data upload required
- Works on all devices and browsers without downloads
- Automated testing with 15,000+ checks before each release
- Complete privacy with all processing done on your device
| - Completely free with no signup, no watermark, and no download limits
- Private - runs entirely in browser with no data storage
- Instant results - no installation, no processing screens, no queues
- Multiple thumbnail sizes in one download
- Supports all YouTube link formats including Shorts and live streams
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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 |
| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 2 ● no change since last check |
| Trust Flow (Majestic) | 0 | 2 |
| Citation Flow (Majestic) | 0 | 14 |
| Referring domains (Majestic) | 0 | 3 |