| What it does | Free browser-based audio converter that processes files locally without uploading
| 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 | - 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
| - 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 | - 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
| - 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) | 11 ● no change since last check | 23 ● no change since last check |
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| Trust Flow (Majestic) | 9 | 8 |
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| Citation Flow (Majestic) | 16 | 30 |
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| Referring domains (Majestic) | 6 | 60 |
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M4A to MP3 Converter
ButterShare