Welcome to the File Converter

Upload your file to start converting. Choose a file from your device or use a remote file link.

${shortenFileName(item.file_name)} ${formatBytes(item.file_size)}

Output:

Add ${items.length} files

Convert

How to Convert Amr to CAF?

Click the “Choose AMR Files” button and select your AMR file
Click on the “Convert” button to start the conversion
When the status changes to “Done”, click the "Download CAF" button

Convert Any AMR to CAF

This tool supports converting many types of Amr to CAF. Convert MP3, AAC, WAV, FLAC, OGG, M4A, WMA, OPUS, AC3, AIFF to CAF.

Best Amr Converter

Convert your Amr with perfect quality, size, and compression. Plus, you can also batch convert Amr using this tool.

Free & Secure

Our Amr Converter is free and works on any web browser. We guarantee file security and privacy. Files are protected with 256-bit SSL encryption and automatically delete after a few hours.

What is an AMR file?

AMR (Adaptive Multi-Rate) is an audio format optimized for speech encoding, widely used in mobile phone recordings, VoIP calls, and narrowband audio transmission. AMR supports multi-format conversion via FFmpeg, providing efficient compression and good voice quality, suitable for mobile communications and voice recording.

How to open and play an AMR file?

AMR files can be opened and played using various tools. The most popular choices include [VLC](https://www.videolan.org/), [Audacity](https://www.audacityteam.org/), and [FFmpeg](https://ffmpeg.org/). These tools support not only AMR files but also a wide range of other audio formats. On Windows and macOS systems, you can also use built-in media players to play AMR files. On Linux systems, the `ffplay` command-line tool (part of FFmpeg) can be used to play AMR files. Regardless of the tool you choose, the process is straightforward: simply double-click the file or right-click and select 'Open'. If you need to convert an AMR file to another format, FFmpeg provides powerful command-line tools, such as `ffmpeg -i input.amr output.mp3`.

Developed by: 3rd Generation Partnership Project (3GPP)
Initial Release: 1998
Useful links:

https://en.wikipedia.org/wiki/Adaptive_Multi-Rate_audio_codec

https://www.3gpp.org/

https://ffmpeg.org/

What is an CAF file?

CAF (Core Audio Format) is an advanced audio format developed by Apple, supporting multi-format conversion via FFmpeg. CAF is ideal for lossless compression, large file storage, and professional audio production, providing high-quality audio experiences. It is widely used in music production, recording, and audio editing.

How to open and play an CAF file?

CAF files can be opened and played using various tools. The most popular choices include [GarageBand](https://www.apple.com/mac/garageband/), [Logic Pro](https://www.apple.com/logic-pro/), [VLC](https://www.videolan.org/), and [Audacity](https://www.audacityteam.org/). These tools support not only CAF files but also a wide range of other audio formats. On Apple devices, you can use the built-in Music app to play CAF files. On Windows and macOS systems, you can also use built-in media players to play CAF files. On Linux systems, the `ffplay` command-line tool (part of FFmpeg) can be used to play CAF files. Regardless of the tool you choose, the process is straightforward: simply double-click the file or right-click and select 'Open'. If you need to convert a CAF file to another format, FFmpeg provides powerful command-line tools, such as `ffmpeg -i input.caf output.mp3`.

https://en.wikipedia.org/wiki/Core_Audio_Format

https://developer.apple.com/documentation/coreaudio

https://ffmpeg.org/documentation.html