ChangeMyFile - Free Online File ConverterChangeMyFile
Trusted by thousands of users worldwide

Convert OPUS to AAC - Play Audio Anywhere

Transform OPUS files to AAC format for universal device compatibility.

Step 1: Upload your files

You can also Drag and drop files.

Step 2: Choose format
Step 3: Convert files

Read Terms of use before using

Share:fXin@
500+ Formats
Lightning Fast
100% Secure
Always Free
Cloud Processing

Why Convert OPUS to AAC?

OPUS is an excellent audio codec known for superior quality at low bitrates, but many devices still struggle with it. Apple products in particular-iPhones, iPads, iPods, and iTunes-have limited native OPUS support.

AAC (Advanced Audio Coding) solves this problem. It's Apple's preferred format and works seamlessly across iOS devices, Android phones, streaming services, and most media players. When you need OPUS files to work everywhere, AAC is the practical choice.

How to Convert OPUS to AAC

  1. Upload your OPUS file - Drag and drop or click to select your audio file
  2. Choose AAC format - Select AAC as your output format
  3. Download converted audio - Get your AAC file ready for any device

The entire process takes seconds. No account required, no software to install.

OPUS vs AAC: Technical Comparison

Both are modern lossy audio codecs, but they serve different purposes:

  • OPUS - Optimized for streaming and VoIP. Excels at very low bitrates (64-128 kbps). Open-source and royalty-free.
  • AAC - Standard for consumer audio. Best quality at 128-256 kbps. Universal hardware and software support.

In our testing, AAC files converted from OPUS maintain excellent audio quality. At equivalent bitrates, both codecs perform similarly for music playback. The difference is compatibility-AAC works on devices where OPUS simply won't play.

When to Use This Conversion

Apple Device Users

iPhones and iPads handle AAC natively but often reject OPUS files. Convert before syncing to your Apple devices.

Podcast Distribution

While OPUS is gaining traction, many podcast platforms and directories still prefer AAC. Convert for maximum reach.

Car Audio Systems

Older car stereos and USB playback systems typically support AAC but not OPUS. Convert for reliable in-car playback.

Sharing Audio Files

When sharing audio with others, AAC ensures everyone can play the file regardless of their device or software.

Alternative Formats to Consider

Depending on your needs, other formats might serve you better:

  • OPUS to MP3 - Maximum compatibility with literally every device, though slightly larger files
  • OPUS to M4A - AAC audio in Apple's container format, ideal for iTunes libraries
  • OPUS to FLAC - When you need lossless quality for archival purposes

For most users, AAC offers the best balance of quality, file size, and compatibility.

Works in Your Browser

Our converter runs entirely in your web browser:

  • Windows, Mac, Linux, and Chromebook
  • Chrome, Firefox, Safari, and Edge
  • Phones and tablets

Your audio files stay on your device during conversion. Nothing is uploaded to external servers.

Pro Tip

OPUS files from Discord or WhatsApp are often recorded at very low bitrates (24-48 kbps). Converting to AAC at 128 kbps won't improve quality-you can't recover data that was never captured. For voice messages, 96 kbps AAC is usually sufficient.

Common Mistake

Assuming all Apple devices play OPUS. While macOS and recent iOS versions have some OPUS support, it's inconsistent across apps. iTunes, Apple Music, and many third-party iOS apps still require AAC or MP3.

Best For

Anyone who downloads audio from Discord, WhatsApp, or Telegram and wants to play it on Apple devices, car stereos, or older media players that don't support OPUS.

Not Recommended

If you're staying within the OPUS ecosystem (web apps, Discord, streaming) and don't need Apple compatibility, keep your files as OPUS-it's more efficient at low bitrates.

Frequently Asked Questions

There is some quality loss when converting between lossy formats. However, at typical bitrates (128-256 kbps), the difference is minimal and usually inaudible to most listeners in normal playback conditions.

Yes. AAC is Apple's native audio format. Your iPhone, iPad, iPod, and iTunes all play AAC files without any additional apps or codecs.

Apple has limited OPUS support. While newer iOS versions can handle OPUS in some contexts, many Apple apps and older devices don't recognize the format. AAC solves this compatibility issue.

For music, 256 kbps offers excellent quality. For voice recordings and podcasts, 128 kbps is sufficient. Our converter uses optimal settings to balance quality and file size.

Yes. Upload several OPUS files and convert them all to AAC in a single batch. No need to process files one at a time.

AAC generally provides better quality than MP3 at the same bitrate. It's a more modern codec. However, MP3 has slightly wider compatibility with very old devices.

OPUS files typically come from Discord voice recordings, Telegram voice messages, WhatsApp audio, YouTube audio downloads, and various streaming applications that prioritize bandwidth efficiency.

Yes. The conversion happens locally in your browser. Your audio files are not uploaded to any server-they remain on your device throughout the process.

Usually yes, slightly. OPUS is more efficient at lower bitrates. An AAC file at equivalent quality may be 10-20% larger, but the difference is typically minimal for standard music files.

OPUS Conversions & Related Converters

Quick access to the most commonly used file conversions.