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OPUS to M4A Converter
Convert OPUS files to M4A in seconds, free and unlimited.
🔒 Files are processed on your device. Nothing is uploaded.
How to convert OPUS to M4A
- Click Choose files or drop your OPUS files into the box. You can add several at once.
- Make sure M4A is selected as the output format.
- Press Convert, then download your M4A files.
OPUS
Modern open codec with the best quality at low bitrates. Used by WhatsApp, Discord and YouTube.
M4A
MPEG-4 audio (AAC or ALAC), the default audio format of Apple devices.
Video and audio are converted with FFmpeg running inside your browser. Short clips finish in seconds; long or high-resolution videos can take a few minutes because your own device does the work. Open Options to trim, resize or change quality.
Other OPUS conversions
- OPUS to MP3
- OPUS to WAV
- OPUS to OGG
- OPUS to FLAC
- OPUS to AAC
- OPUS to M4R
- OPUS to WMA
- OPUS to AC3
- OPUS to AIFF
Convert other files to M4A
- MP4 to M4A
- WEBM to M4A
- MKV to M4A
- MOV to M4A
- AVI to M4A
- FLV to M4A
- WMV to M4A
- MPEG to M4A
- MPG to M4A
- M4V to M4A
- 3GP to M4A
- 3GPP to M4A
- 3G2 to M4A
- OGV to M4A
- TS to M4A
- MTS to M4A
- M2TS to M4A
- VOB to M4A
- MXF to M4A
- DV to M4A
- MOD to M4A
- RM to M4A
- RMVB to M4A
- MP3 to M4A
- WAV to M4A
- OGG to M4A
- OGA to M4A
- FLAC to M4A
- AAC to M4A
- M4B to M4A
- M4R to M4A
- WMA to M4A
- AC3 to M4A
- AIFF to M4A
- AIF to M4A
- AIFC to M4A
- AMR to M4A
- AU to M4A
- CAF to M4A
- VOC to M4A
- WEBA to M4A
FAQ
Is converting OPUS to M4A free?
Yes. Unlimited conversions, no sign-up, no watermark.
Are my files uploaded to a server?
No. FieldConvert processes files inside your browser, so your OPUS files never leave your device. That makes it private and fast, because there is no upload or download wait.
Is there a file size limit?
Only your device's memory. Files up to about 2 GB work in most desktop browsers.