Convert CAF to FLAC Online

Convert CAF to FLAC - Complete Guide

Converting CAF to FLAC stays in the audio file family but changes the traits that decide size, quality, transparency, editability, or device support. CAF is a audio format. Core Audio Format. FLAC is a lossless audio format used for high-quality music archives without the large size of raw audio. Below is what actually changes in a CAF→FLAC conversion, what is preserved, and when FLAC is the better choice than keeping CAF.

What changes when you convert CAF to FLAC

• The audio is re-encoded into the FLAC format. Because re-encoding is not free, start from the highest-quality source you have and keep quality settings high.
• FLAC is widely supported for streaming, browsers, and uploads, so the result plays on more devices and platforms than CAF.
• Expect a smaller output file: FLAC is typically more space-efficient than CAF for the same content.

About the CAF format

CAF (Core Audio Format) is Apple's flexible audio container that supports various audio codecs and features like unlimited file size.

• Full name: Core Audio Format
• Developer: Apple
• Compression: mixed
• Opens with: Logic Pro, GarageBand, QuickTime, FFmpeg

Where CAF is strong: Apple container that holds very large or long recordings; supports many codecs including uncompressed PCM; no practical file-size limit unlike WAV.

Typical CAF uses: macOS and iOS audio production, long-form recordings beyond WAV limits, Logic Pro and Core Audio workflows.

About the FLAC format

FLAC (Free Lossless Audio Codec) offers CD-quality audio with file compression. It preserves every bit of audio data while reducing file sizes by 50-60% compared to WAV.

• Full name: Free Lossless Audio Codec
• Developer: Xiph.Org Foundation
• Compression: Lossless compression
• Opens with: VLC, foobar2000, most modern players

Where FLAC is strong: lossless quality at roughly half the size of WAV; supports rich metadata and cover art; ideal for archiving music.

Typical FLAC uses: hi-fi music archives, lossless backups of CDs, audiophile playback.

What FLAC keeps

• FLAC adds: lossless quality at roughly half the size of WAV.

Things to watch out for

• One FLAC limitation to keep in mind: larger than MP3.

When to convert CAF to FLAC

• Convert CAF to FLAC for hi-fi music archives.
• Convert CAF to FLAC for lossless backups of CDs.
• Convert CAF to FLAC for audiophile playback.
• Choose FLAC when a website, browser, or upload form rejects your CAF file.

CAF vs FLAC — format comparison

A quick side-by-side of the structural differences between CAF and FLAC, so you can confirm this is the right conversion for your file:

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