| What it does | Free online tool to compress images to exact KB size
| Free HD YouTube thumbnail extractor and downloader
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Supports JPG, JPEG, PNG, and WebP formats up to 10MB
- Binary-search algorithm hits target within ±5 KB
- Preset compression sizes: 20KB, 50KB, 100KB, 200KB
- All processing happens locally in browser with no server upload
- Automatic dimension scaling for very small targets
- Lightweight compression logic optimized for low-RAM devices
| - Download thumbnails in multiple resolutions (HD 1280×720, SD 640×480, HQ 480×360, MQ 320×180)
- Support all YouTube URL formats
- No signup, login or API key required
- No watermarks on downloaded files
- Unlimited downloads with no daily limits
- Works on desktop and mobile browsers
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| What makes it different | - Browser-based processing with complete privacy - images never leave your device
- Exact KB targeting with binary search instead of quality slider guessing
- Completely free with no daily limits, signup, or watermarks
- Built specifically for exam forms, job portals, and visa applications with exact KB requirements
- Optimized for low-end devices with limited RAM and older browsers
| - No registration or login needed to use the tool
- All processing happens in your browser without server uploads
- Downloads original uncompressed thumbnails directly from YouTube's servers
- Automatically validates availability before showing download options
- Lightweight with minimal JavaScript and no backend database
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 5 ▲ +3 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 6 | 0 |
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| Citation Flow (Majestic) | 19 | 0 |
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| Referring domains (Majestic) | 9 | 0 |
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KB Reducer
YouTube Thumbnail Grabber