Convert ALAC to OPUS
Convert your ALAC audio files to OPUS directly in your browser.
How to convert audio in 3 steps
Choose a ALAC audio file.
Click convert to OPUS.
Download your OPUS audio.
Format descriptions
ALAC — ALAC (Apple Lossless) is Apple's lossless audio codec. It compresses without loss and is fully compatible with Apple devices.
OPUS — OPUS is a modern, open and royalty-free audio codec. It delivers excellent quality even at low bitrates, making it ideal for streaming, voice and podcasts.
Technical comparison: ALAC vs OPUS
Technical breakdown of the ALAC and OPUS specifications: compression, colour, transparency and animation support.
| Property | ALAC | Opus |
|---|---|---|
| Specification | ALAC (Apple Lossless Audio Codec) | Opus (Opus Interactive Audio Codec) |
| Media type | Audio | Audio |
| Compression | Lossless · ALAC | Lossy · Opus (RFC 6716) |
| Color space / bit depth | 16/24-bit up to 192 kHz | 16-bit, 8-48 kHz |
| Transparency | Not applicable | Not applicable |
| Animation | No (static) | No (static) |
| Best for | ALAC (Apple Lossless) is Apple's lossless audio codec. It compresses without loss and is fully compatible with Apple devices. | OPUS is a modern, open and royalty-free audio codec. It delivers excellent quality even at low bitrates, making it ideal for streaming, voice and podcasts. |
What happens when converting ALAC to OPUS?
The ALAC data is decoded inside your browser with WebAssembly and re-encoded to the OPUS specification, so no file is ever uploaded to a server. Both formats rely on comparable compression, so file size and perceived quality stay in the same range.
Frequently Asked Questions
What is audio conversion?
Audio conversion changes an audio file from one format to another, for example from ALAC to OPUS, while keeping the audio content.
Are my audio files uploaded?
No. This tool processes audio files directly in your browser. Your audio files are never sent to a server.
Which audio formats are supported?
This tool converts ALAC audio files to OPUS, all in your browser.
Is it really free and unlimited?
Yes, the tool is completely free and you can convert as many audio files as you want, with no limits.
Does it work on mobile too?
Yes, it works on any modern device, including smartphones, tablets and desktop computers.
Which format will the result be in?
The converted file will always be in OPUS format, ready to download and use.
About the audio converter
Convert ALAC to OPUS audio online for free. Everything happens in your browser: your files are never uploaded to a server, and you need no downloads or sign-up to get started.
See also:
- Audio Converters
- Compress Audio OnlineCompress MP3, WAV, OGG, M4A, AAC, OGA, FLAC, ALAC, AIFF, OPUS, M4B and AC3 audio files online for free. Reduce the file size of your audio recordings while keeping good quality. Everything happens in your browser: audio files are never uploaded to a server, and you need no downloads or sign-up to get started.
- Convert ALAC to MP3Convert ALAC to MP3 audio online for free. Everything happens in your browser: your files are never uploaded to a server, and you need no downloads or sign-up to get started.
- Convert ALAC to WAVConvert ALAC to WAV audio online for free. Everything happens in your browser: your files are never uploaded to a server, and you need no downloads or sign-up to get started.
- Convert ALAC to OGGConvert ALAC to OGG audio online for free. Everything happens in your browser: your files are never uploaded to a server, and you need no downloads or sign-up to get started.