| What it does | Free browser-based audio converter that processes files locally without uploading
| Free online tool to compress images to exact KB size
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| Stage | 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 | - Converts entirely in the browser with no file upload
- Batch conversion of multiple files
- MP3 bitrate choice of 128, 192 or 320 kbps
- Drag and drop file upload
- Download individually or all at once as a ZIP
- Works on Windows, macOS, Linux, Chromebook, Android and iOS
- Free with no sign-up and no watermark
| - 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 | - No file upload required — conversion happens locally in your browser on your own device
- Fast conversion even on slow connections because no server upload is needed
- Works for confidential audio files including voice memos and interviews
- Unlimited files with no file size caps, watermarks or sign-up required
| - 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) | 9 | 6 |
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| Citation Flow (Majestic) | 16 | 19 |
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| Referring domains (Majestic) | 6 | 9 |
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M4A to MP3 Converter
KB Reducer