Convert FLAC to AAC

Free online FLAC to AAC converter - no software installation required

Upload your PLAC file below to convert it to AAC format instantly. Your file is processed securely and never stored on our servers.

About AAC Format

AAC (Advanced Audio Coding) is a modern lossy audio format that delivers superior sound quality compared to MP3 at equivalent bitrates. As the successor to MP3, AAC is the standard format for Apple Music, iTunes, YouTube, and most streaming platforms. It offers excellent compression efficiency, making it ideal for portable devices, streaming, and cloud storage while maintaining impressive audio fidelity.

Why Convert FLAC to AAC?

Converting from FLAC (lossless) to AAC (lossy) creates smaller, more portable files while maintaining excellent audio quality. Here are the key reasons to convert FLAC to AAC:

Understanding FLAC to AAC Conversion

Quality Considerations: Converting from FLAC (lossless) to AAC (lossy) involves compression that removes some audio data. However, at high bitrates (256kbps), AAC is considered "perceptually transparent" - meaning most listeners cannot distinguish it from the original FLAC in typical listening conditions with standard equipment.

This is an intelligent conversion for practical use: you're taking your pristine FLAC archive and creating optimized versions for everyday listening on mobile devices and cloud services. Many music enthusiasts maintain a FLAC library on their home computer or NAS for archival purposes while using AAC versions on iPhones, iPads, and for Apple Music uploads. This dual-format strategy gives you archival-quality preservation at home and convenient, high-quality portability everywhere else.

Frequently Asked Questions

Can you convert FLAC to AAC?
Yes, converting FLAC to AAC is an excellent way to create high-quality, portable versions of your lossless music library. This conversion reduces file sizes dramatically (by 70-85%) while maintaining excellent audio quality, especially at 256kbps AAC which is virtually transparent to most listeners.

Why convert FLAC to AAC?
Converting FLAC to AAC provides massive storage savings, optimal performance on Apple devices (iPhone, iPad, iTunes), better battery efficiency during playback, superior quality compared to MP3 at the same file size, perfect integration with Apple Music and iCloud, and compatibility with modern streaming platforms that prefer AAC format.

Will I lose quality converting FLAC to AAC?
Yes, AAC is a lossy format, so some audio data is discarded. However, at 256kbps (our default), AAC is considered perceptually transparent - the vast majority of listeners cannot distinguish it from FLAC in normal listening conditions. It's an excellent balance of quality and file size for portable use.

Is FLAC to AAC conversion free?
Yes, our FLAC to AAC converter is completely free with no file size limits, no subscriptions, and no hidden charges. Convert unlimited files for free.

How long does FLAC to AAC conversion take?
Most FLAC files convert to AAC in under 30 seconds, depending on file size and your device's processing speed. The conversion happens instantly in your browser.

What happens to my files after conversion?
Your files are processed entirely on your device and are never uploaded to our servers. We have no access to your files, and they are automatically cleared from your device's memory when you close the browser.

What bitrate should I use for FLAC to AAC?
Our converter uses 256kbps by default, which is the Apple Music standard and provides excellent quality that's virtually indistinguishable from FLAC for most listeners. This bitrate offers the optimal balance between file size (small) and audio quality (excellent) for portable and streaming use.

Is AAC better than MP3 for converting from FLAC?
Yes, AAC is superior. When converting from lossless FLAC, AAC preserves more audio detail than MP3 at the same bitrate due to more advanced compression algorithms. A 256kbps AAC file sounds better than a 256kbps MP3 file, and AAC is better optimized for modern devices, especially Apple products.

Can I convert multiple FLAC files to AAC at once?
Currently, our tool processes one file at a time. For batch conversion, you'll need to convert each file individually. There are no limits on how many files you can convert.

How much smaller will AAC files be compared to FLAC?
AAC files at 256kbps are typically 70-85% smaller than FLAC files. For example, a 40MB FLAC file will become approximately 6-12MB as AAC. This dramatic size reduction makes AAC perfect for mobile devices and cloud storage while maintaining excellent quality.

Should I delete my FLAC files after converting to AAC?
No! Keep your FLAC files as your master archive on your home computer or network storage. Use AAC versions for your iPhone, iPad, cloud music library, and portable listening. This way you always have the original lossless files for future use without quality compromise.

Will AAC work on non-Apple devices?
Yes, AAC is widely supported. While it's the standard for Apple devices, AAC also works perfectly on Android phones, Windows computers, most modern media players, and virtually all streaming platforms. It's a universal format, not Apple-exclusive.

Can I upload AAC files to Apple Music or iTunes Match?
Yes, absolutely. AAC is the native format for Apple Music, iTunes, and iCloud Music Library. Converting your FLAC library to AAC creates perfectly compatible files for uploading to Apple's music services, matching Apple's own encoding standards.