| What it does | Free online audio converter supporting 30+ formats with privacy-first browser-based processing
| Free file transfer between devices, no sign-up
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| US
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Free: basic file transfer, up to 2 GB per file, 200 MB per month relay data per device. PairOnce Pro: $3.99 a month or $29.99 a year; adds 5 GB relay data per month per device, files up to 10 GB, and higher tool limits.
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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
| - Direct and encrypted file transfer between devices
- Support for files up to 2 GB free, 10 GB with Pro
- Automatic resume for large file transfers if connection drops
- Works across different networks with relay when needed
- Compatible with all major browsers and operating systems
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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
| - No app, account or sign-up required
- Files never stored on servers, end-to-end encrypted
- Works across networks and Wi-Fi with direct connections when possible
- Automatic resume of large transfers if connection drops within 30 minutes
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 9 ▼ −1 (down) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 10 | 0 |
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| Citation Flow (Majestic) | 14 | 0 |
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| Referring domains (Majestic) | 73 | 0 |
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Mp3To
PairOnce