# Convert AIFF to FLAC > Convert AIFF to FLAC online for free. Runs entirely in your browser, so your files never leave your device. Fast batch conversion, no sign-up, no watermarks. URL: https://www.converterrr.com/aiff-to-flac - Runs in the browser with FFmpeg (WASM): files are not uploaded, and no credits are used. - Engines: FFmpeg (WASM) (browser), FFmpeg (cloud). - API: available. `POST /api/v1/jobs` with `"output_format": "flac"` (paid plans). - More: [Audio converter](https://www.converterrr.com/audio-converter), [AIFF converter](https://www.converterrr.com/aiff-converter). ## How to convert AIFF to FLAC 1. **Add your AIFF files.** Drag and drop AIFF files onto the converter, paste them, or click to browse. You can add several at once. 2. **Choose FLAC.** FLAC is already selected. Open Options if you want to change quality, size or metadata. 3. **Convert.** Click Convert. Your files are converted right in your browser in seconds. 4. **Download your FLAC.** Download each FLAC file, or everything at once as a ZIP. ## Good to know - AIFF files are typically used for professional audio on macOS, while FLAC is best for archiving CDs and high-fidelity music libraries. - This conversion runs on FFmpeg (WASM), running locally in your browser — nothing is uploaded and it works even on slow connections. ## AIFF vs FLAC | | AIFF | FLAC | | --- | --- | --- | | Full name | Audio Interchange File Format | Free Lossless Audio Codec | | Type | Audio | Audio | | Extensions | .aiff, .aif, .aifc | .flac | | MIME type | audio/aiff | audio/flac | | Best for | professional audio on macOS | archiving CDs and high-fidelity music libraries | | Properties | lossless | lossless, open standard | **AIFF:** AIFF is Apple's uncompressed audio format, the Mac equivalent of WAV. **FLAC:** FLAC compresses audio without losing any quality, typically halving the size of a WAV file. The other way around: [convert FLAC to AIFF](https://www.converterrr.com/flac-to-aiff). ## Related conversions - [FLAC to AIFF](https://www.converterrr.com/flac-to-aiff) (in the browser) - [AIFF to MP3](https://www.converterrr.com/aiff-to-mp3) (in the browser) - [MP3 to FLAC](https://www.converterrr.com/mp3-to-flac) (in the browser) - [AIFF to WAV](https://www.converterrr.com/aiff-to-wav) (in the browser) - [MP4 to FLAC](https://www.converterrr.com/mp4-to-flac) (in the browser) - [AIFF to M4A](https://www.converterrr.com/aiff-to-m4a) (in the browser) - [WAV to FLAC](https://www.converterrr.com/wav-to-flac) (in the browser) - [MOV to FLAC](https://www.converterrr.com/mov-to-flac) (in the browser) - [AIFF to AAC](https://www.converterrr.com/aiff-to-aac) (in the browser) - [M4A to FLAC](https://www.converterrr.com/m4a-to-flac) (in the browser) - [AIFF to OGG](https://www.converterrr.com/aiff-to-ogg) (in the browser) - [WebM to FLAC](https://www.converterrr.com/webm-to-flac) (in the browser) ## Convert AIFF to other formats [AIFF to MP3](https://www.converterrr.com/aiff-to-mp3), [AIFF to WAV](https://www.converterrr.com/aiff-to-wav), [AIFF to M4A](https://www.converterrr.com/aiff-to-m4a), [AIFF to AAC](https://www.converterrr.com/aiff-to-aac), [AIFF to OGG](https://www.converterrr.com/aiff-to-ogg), [AIFF to Opus](https://www.converterrr.com/aiff-to-opus), [AIFF to WMA](https://www.converterrr.com/aiff-to-wma), [AIFF to AMR](https://www.converterrr.com/aiff-to-amr), [AIFF to M4B](https://www.converterrr.com/aiff-to-m4b), [AIFF to AC3](https://www.converterrr.com/aiff-to-ac3), [AIFF to MP2](https://www.converterrr.com/aiff-to-mp2), [AIFF to WEBA](https://www.converterrr.com/aiff-to-weba), [AIFF to OGA](https://www.converterrr.com/aiff-to-oga), [AIFF to MKA](https://www.converterrr.com/aiff-to-mka), [AIFF to WV](https://www.converterrr.com/aiff-to-wv), [AIFF to AU](https://www.converterrr.com/aiff-to-au), [AIFF to TTA](https://www.converterrr.com/aiff-to-tta) ## Convert other formats to FLAC [MP3 to FLAC](https://www.converterrr.com/mp3-to-flac), [MP4 to FLAC](https://www.converterrr.com/mp4-to-flac), [WAV to FLAC](https://www.converterrr.com/wav-to-flac), [MOV to FLAC](https://www.converterrr.com/mov-to-flac), [M4A to FLAC](https://www.converterrr.com/m4a-to-flac), [WebM to FLAC](https://www.converterrr.com/webm-to-flac), [MKV to FLAC](https://www.converterrr.com/mkv-to-flac), [AAC to FLAC](https://www.converterrr.com/aac-to-flac), [AVI to FLAC](https://www.converterrr.com/avi-to-flac), [OGG to FLAC](https://www.converterrr.com/ogg-to-flac), [WMV to FLAC](https://www.converterrr.com/wmv-to-flac), [Opus to FLAC](https://www.converterrr.com/opus-to-flac), [WMA to FLAC](https://www.converterrr.com/wma-to-flac), [M4V to FLAC](https://www.converterrr.com/m4v-to-flac), [3GP to FLAC](https://www.converterrr.com/3gp-to-flac), [FLV to FLAC](https://www.converterrr.com/flv-to-flac), [MPEG to FLAC](https://www.converterrr.com/mpeg-to-flac), [AMR to FLAC](https://www.converterrr.com/amr-to-flac), [TS to FLAC](https://www.converterrr.com/ts-to-flac), [MPG to FLAC](https://www.converterrr.com/mpg-to-flac), [M4B to FLAC](https://www.converterrr.com/m4b-to-flac), [MTS to FLAC](https://www.converterrr.com/mts-to-flac), [VOB to FLAC](https://www.converterrr.com/vob-to-flac), [M2TS to FLAC](https://www.converterrr.com/m2ts-to-flac) ## AIFF to FLAC: frequently asked questions ### How do I convert AIFF to FLAC? Drop your AIFF file onto the converter above, make sure FLAC is selected, and click Convert. When it's done, download the FLAC file — it usually takes a few seconds. ### Is it safe to convert AIFF to FLAC here? Yes. AIFF to FLAC conversion happens entirely inside your browser using WebAssembly, so your file is never uploaded to any server. ### Is the AIFF to FLAC converter free? Yes — free with no watermark. Signed-out visitors can convert 25 files a day, and a free account raises that to 250. ### Will converting AIFF to FLAC reduce quality? No — FLAC preserves the content of your AIFF file as faithfully as the format allows. ### Can I convert multiple AIFF files at once? Yes. Add up to 5 files at a time without an account, 10 with a free account and up to 500 on paid plans, then download them individually or as a single ZIP. ### Can I convert FLAC back to AIFF? Yes — use our FLAC to AIFF converter. Note that converting back and forth between formats can't recover detail lost to lossy compression.