| What it does | Free online audio converter supporting 30+ formats with privacy-first browser-based processing
| Free online tool to compress images to exact KB size
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| Stage | Not given
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| Pricing model | Free
| Free
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| Key features | - Browser-based conversion with no uploads required
- Support for 30+ audio formats including MP3, WAV, FLAC, AAC, OGG, WMA, M4A
- Batch processing to convert multiple files at once
- Customizable bitrate and sample rate settings
- Video to audio extraction from MP4, MOV, and AVI
- Audio editing tools including MP3 cutter and audio joiner
- Audio compressor to reduce file size
- Voice recorder for recording audio with microphone
- Additional tools for image and subtitle conversion
| - 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
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| What makes it different | - Privacy-first with all file processing happening locally in your browser
- Fast conversion powered by FFmpeg.wasm technology without requiring file uploads
- Completely free with no registration, accounts, or hidden costs
- Batch processing capability to convert multiple files simultaneously
- High quality preservation with customizable audio settings
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 11 ● no change since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 10 | 6 |
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| Citation Flow (Majestic) | 14 | 19 |
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| Referring domains (Majestic) | 73 | 9 |
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Mp3To
KB Reducer