Convert anything, at global scale.
200+ formats and automation APIs that feels instant.
CONVERT
From
To
Drop files or choose a source
Upload multiple files at once, mix formats, and fine-tune every conversion with format-aware settings.
Max 2GB per file · Drag & drop ready · Mixed file types welcome
AU at a glance
AU
AU belongs to an earlier multimedia era where workstation and Unix vendors often had their own practical audio defaults.
OGA at a glance
OGA
OGA reflects the broader Ogg/Xiph effort to build open alternatives for multimedia packaging and codecs.
Format comparison
| Feature | AU | OGA |
|---|---|---|
| File type | Not available | Not available |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | Not available | Not available |
| File size characteristics | Not available | Not available |
| Compatibility | Not available | Not available |
| Editability | Not available | Not available |
| Created year | Not available | Not available |
| Inventor | Not available | Not available |
| Status | Not available | Not available |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | Not available | Not available |
| Metadata handling | Not available | Not available |
| Delivery profile | Not available | Not available |
| Workflow fit | Not available | Not available |
| Multitrack support | Not available | Not available |
| HDR support | Not available | Not available |
| Streaming ready | Not available | Not available |
When to use each format
When to use AU
- capture ingest
- editing and mastering
- streaming or playback delivery
- Historically important in Unix/workstation audio.
When to use OGA
- capture ingest
- editing and mastering
- streaming or playback delivery
- Useful in open-media audio contexts.
FAQs
Why convert AU to OGA?
Choose OGA as target when you want an explicitly audio-only Ogg-based file for open-format distribution, archival packaging, or technical workflows that use Vorbis, Opus, or FLAC inside Ogg.
What changes when converting AU to OGA?
Convert to OGA when you want an explicitly audio-only Ogg-based file for open-format distribution, archival packaging, or technical workflows that use Vorbis, Opus, or FLAC inside Ogg. It is useful for podcasts, spoken-word files, and music in open-source environments. For the widest casual compatibility, MP3 or M4A remain safer defaults.
What should I review after converting AU to OGA?
After conversion, review these destination checks: Open converted output in VLC and verify behavior on real samples; Compare output against the expected depends quality profile; Less common than mp3, m4a, or flac.
How can I keep quality stable in AU to OGA conversion?
Run representative samples, keep settings deterministic, and monitor these risks: Mostly relevant to open-media or compatibility workflows; Less common than mp3, m4a, or flac; Validate destination compatibility before large-batch conversion.