| What it does | Free online tool to compress images to exact KB size
| Send files directly between devices with encrypted WebRTC, no account and no cloud file storage
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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
| - Direct device-to-device file streaming with no cloud storage
- No file size limits for transfers
- End-to-end encryption with cryptographic keys
- No account or signup required
- Works on all modern browsers and devices
- QR code and room code sharing options
- Native disk streaming for large files
- Folder structure preservation during transfer
- Supports up to 10,000 files per session
- Resumable transfers with checkpoint data
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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 cloud server storage intermediary for maximum privacy
- Zero-knowledge architecture with ephemeral session keys
- Unlimited file sizes with no subscription fees
- Instant sharing without email verification or login
- Transfer speeds at local gigabit rates on same network
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 2 ● no change since last check | 23 ● no change since last check |
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| Trust Flow (Majestic) | 6 | 8 |
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| Citation Flow (Majestic) | 19 | 30 |
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| Referring domains (Majestic) | 9 | 60 |
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KB Reducer
ButterShare