About the CAF file format
Core Audio Format (CAF) is an audio format supported by mp3.now for conversion, extraction, or playback workflows.
The guide and converter lists are generated from the live MP3.now catalog, so every conversion shown here is available.
Why CAF files are used
Core Audio Format files store digital audio using the .caf extension.
Audio formats differ in compression, quality, metadata, channel support and compatibility with players and editing software.
What to know about CAF
Audio encoding
CAF uses format-specific rules to store or compress sound.
Quality and size
Bit rate, sample rate, bit depth and compression influence both fidelity and file size.
Metadata
Track titles, artists, artwork and other tags may be supported depending on the format.
Compatibility
Support for CAF varies across browsers, devices, editors and media players.
How CAF conversion works
Converting CAF decodes the source audio and encodes it with the destination format's codec and selected quality settings.
Lossy conversion cannot restore detail already removed from the source, so keep the original when quality matters.
mp3.now accepts CAF as input and can also create CAF output.
CAF compatibility and software support
Check that the target player or editing application supports CAF before choosing it for delivery.
MP3 remains a practical fallback when broad playback compatibility is the priority.
CAF and related formats
When should you use CAF?
- Everyday listening: Prepare audio for phones, computers and portable players.
- Editing: Move sound into a format supported by an audio editor.
- Publishing: Create audio for websites, podcasts or distribution platforms.
- Archiving: Keep a high-quality source and create smaller access copies.
Convert from CAF
Use CAF as the source.
Convert to CAF
Create CAF output.
CAF file format FAQ
What is a CAF file?
Core Audio Format (CAF) is an audio format supported by mp3.now for conversion, extraction, or playback workflows.
Can MP3.now convert CAF files?
mp3.now accepts CAF as input and can also create CAF output.
What changes when CAF is converted?
Converting CAF decodes the source audio and encodes it with the destination format's codec and selected quality settings.
Should I keep the original CAF file?
Lossy conversion cannot restore detail already removed from the source, so keep the original when quality matters.