aiff
Audio Interchange File Format
The Apple uncompressed audio format, counterpart to WAV on the Mac.
Free, no account, no watermark. Converted on our servers, then deleted.
Drop an AIFF file here
As many as you like. We will show you what they convert to.
Drop an AIFF file onto the converter, or pick one from your device. You can add several at once.
Pick AC3 as the output format. Open Settings if you want to control the audio codec, the audio bitrate, and the sample rate, and 2 more.
Convert and download the finished file. No account, and nothing to install.
Audio Interchange File Format
The Apple uncompressed audio format, counterpart to WAV on the Mac.
Dolby Digital
The surround format on DVDs and broadcast television. Usually arrives as a track pulled out of a disc rip rather than as a file somebody chose.
Yes. AIFF keeps everything, and AC3 does not: it throws away detail to make the file smaller, and converting back cannot bring it back. If you need every detail kept, convert to WAV instead.
Yes, and the file will open — but a round trip is not free. Each pass re-encodes, so going AIFF to AC3 and back leaves you with less than you started with.
You can set the audio codec, the audio bitrate, the sample rate, mono or stereo, and where it starts and stops. Anything left on Auto is decided by the encoder, which is usually the right answer unless you are targeting a specific size or device.
On our server. The file is sent over HTTPS and converted in a sandbox with no network access of its own; your input and the result go together, removed at once if it fails and otherwise kept for a few minutes so you can download them, then deleted — whether or not you did. There are no accounts for anything to be kept against.
Yes — there is a per-file cap and an hourly job limit, because this runs on one small server. The API page states the limits currently in force rather than a number baked into this page.