OPUS to AAC Converter
Convert OPUS audio to AAC for free. Choose the bitrate, sample rate and channels, or trim your audio.
or drop files here
Up to 1 GB per file · Files never leave your device
- 100% free
- No sign-up
- No upload — private
- No watermark
How to convert OPUS to AAC
Add your OPUS files
Click “Choose Files” or drag and drop your OPUS audios onto this page.
AAC is selected
The output is already set to AAC. Open Advanced settings if you want to change the bitrate or trim the audio.
Convert and download
Click Convert. Your AAC file is ready in moments — nothing is uploaded.
About the formats
Opus Audio
Opus is a modern open audio codec with excellent quality at low bitrates. WhatsApp, Discord and WebRTC use it for voice.
Advanced Audio Coding
AAC is the audio codec used by YouTube, iPhone and most streaming services. It gives great quality at small file sizes.
Frequently asked questions
How do I convert OPUS to AAC?
Click “Choose Files” and select your OPUS file (or drag it onto the page). AAC is already selected as the output, so just click Convert and download your AAC file when it’s ready.
Which bitrate should I choose?
“Automatic” gives great quality for most music. Use 256–320 kbps for the best sound, or 96–128 kbps for voice recordings and podcasts.
Is it safe to convert OPUS files here?
Yes. Conversion runs inside your own web browser, so your files are never uploaded to our servers or anyone else’s. Nobody can see them, and nothing is stored after you close the tab.
Is the OPUS to AAC converter free?
Yes, it’s completely free. There’s no sign-up, no watermark and no limit on how many files you convert. Each file can be up to 1 GB.
Can I convert several OPUS files at once?
Yes. Add as many OPUS files as you like and convert them in one go, then download them one by one or together as a ZIP file.