Convert AAC to Opus for Low-Bitrate Streaming and VoIP

Convert your Advanced Audio Coding files to Opus Interactive Audio Codec online for free. AAC is slightly less universal than MP3 on older hardware and some non-Apple software — Opus solves that. No registration, no watermarks, instant download.

Drag & drop your file here, or

Max 100 MB • Max 10 min duration • Max 1080p

How to Convert AAC to Opus — 3 Steps

FFmpeg transcodes your AAC file to Opus Interactive Audio Codec — low-bitrate streaming and voip.

  1. Upload your AAC file

    Select your AAC file from iTunes. Files up to 100 MB are accepted.

  2. Confirm and convert

    Confirm you own the file and click Convert to Opus. Processing typically completes in seconds.

  3. Download your Opus file

    Download your Opus immediately — ready to discord uses opus natively.

Why Convert AAC to Opus?

AAC (Advanced Audio Coding) is slightly less universal than MP3 on older hardware and some non-Apple software. Converting to Opus gives you discord and webrtc.

DiscordDiscord uses Opus natively — ideal for Discord audio recordings
WebRTCGoogle Meet, Zoom, and Teams use Opus for WebRTC audio streaming
Low bitrateOpus at 64 kbps sounds better than MP3 at 128 kbps
Web nativeChrome, Firefox, and Edge play Opus in HTML5 <audio> without plugins
VoIPVoIP apps use Opus for its low latency and bandwidth efficiency
ModernOpus is the IETF standard for internet audio — a future-proof format

Frequently Asked Questions

Why convert AAC to Opus?

AAC (Advanced Audio Coding) is slightly less universal than MP3 on older hardware and some non-Apple software. Converting to Opus gives you discord uses opus natively — ideal for discord audio recordings.

Will converting AAC to Opus reduce audio quality?

Both AAC and Opus use lossy compression. Each conversion involves a small quality reduction. We use high-quality encode settings to minimise the impact. Keep your original AAC if you need to convert again.

What AAC files are supported as input?

You can upload AAC files from iTunes, Apple Music, iPhone recordings, and streaming platform downloads. Files must be under 100 MB.

What are the best uses for Opus format?

Opus (Opus Interactive Audio Codec) is ideal for: discord uses opus natively — ideal for discord audio recordings; google meet, zoom, and teams use opus for webrtc audio streaming; opus at 64 kbps sounds better than mp3 at 128 kbps.

Is my audio file kept private?

Yes. Files are processed privately and automatically deleted within 60 minutes. We never store, sell, or analyse your content.

AAC & Opus Format Guides

Understand the formats you're converting between — specs, pros, cons, and use cases.

What is AAC?Full guide — technical specs, pros, cons, and compatible softwareWhat is Opus?Full guide — technical specs, pros, cons, and compatible softwareAll Format GuidesBrowse all 14 video and audio format guides

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