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Supports: WAV
12.5) or HH:MM:SS.sss (00:01:30.500).WAV is the uncompressed PCM format Microsoft and IBM standardized in 1991 — bit-perfect, but huge (a 3-minute stereo CD-quality WAV is roughly 30 MB). OGA is the audio-only file extension for the Ogg container, a royalty-free format from Xiph.Org that wraps Vorbis, Opus, FLAC, or Speex audio. Converting WAV to OGA shrinks the file by 70–90% with quality that's transparent for most listeners, and the result drops cleanly into open-source pipelines that prefer Ogg over MP3 or AAC.
<audio src="track.oga"> tag works without a JavaScript shim. Smaller payload than WAV, no MP3 patent paperwork, and Opus gives you the best speech codec available in any browser.If your source is multi-channel video audio, see WAV to MP3 or WAV to M4A for broader playback compatibility instead.
| Property | WAV | OGA (Ogg) |
|---|---|---|
| Container | RIFF (Microsoft/IBM, 1991) | Ogg (Xiph.Org, 2002) |
| Inner codec | PCM (uncompressed), occasionally ADPCM | Vorbis, Opus, FLAC, Speex |
| Compression | None (PCM) — bit-perfect | Lossy (Vorbis/Opus/Speex) or lossless (FLAC) |
| Typical size (3-min stereo) | ~30 MB | 2–6 MB Vorbis, 0.5–3 MB Opus |
| Patent / license | Royalty-free | Royalty-free |
| Apple device playback | Native (iPhone, iPad, iTunes) | Not native on iOS/macOS |
| Linux / open-source playback | Native | Native and preferred |
| Browser playback | All major browsers | Firefox, Chrome, Edge (not Safari) |
| Game engine support | Universal | Native in Unity, Godot, Unreal |
| Best for | Editing masters, sample libraries | Open-source apps, web games, Wikipedia, Linux |
| Codec | Best for | Recommended bitrate | Notes |
|---|---|---|---|
| Vorbis | Music, game audio, general listening | 128–256 kbps CBR or quality 5–8 VBR | The classic Ogg codec; q5 (~160 kbps VBR) is the long-standing default for music |
| Opus | Voice notes, podcasts, low-bitrate streaming | 24–96 kbps mono for voice, 96–160 kbps stereo for music | Best codec available at low bitrates; transparent for voice at 32 kbps |
| FLAC (in Ogg) | Lossless archive of WAV masters | Quality is lossless; size is ~50–60% of WAV | Use when you need bit-perfect preservation but want Ogg framing |
| Speex | Legacy VoIP, voicemail | 8–32 kbps mono | Largely superseded by Opus; pick only for compatibility with old systems |
If you're not sure, Vorbis at 192 kbps stereo is a safe universal default and drops in cleanly for game audio, music, and most web use.
For music and game audio at typical bitrates (128 kbps and up), Vorbis is the right pick — it's the historical default for Ogg, every game engine and Linux media player handles it without surprises, and quality is transparent at 192–256 kbps. For voice notes, podcasts, and anything under ~96 kbps, Opus wins decisively — it's the most efficient codec available today and sounds clean down to 32 kbps mono. If you're encoding speech, choose Opus; for everything else, Vorbis is the safer pick.
WAV is uncompressed PCM (lossless), so converting to Vorbis or Opus is lossy by definition — some inaudible information is discarded to make the file smaller. At 192 kbps Vorbis stereo, the loss is inaudible to almost everyone, even on good headphones. At 96 kbps you may notice softer cymbals and slight artifacts on dense music; for voice it remains clean. If you need bit-perfect preservation pick FLAC inside the Ogg container — file size drops to roughly 50–60% of the WAV with zero quality loss.
Vorbis is generally regarded as more efficient than MP3 at low-to-mid bitrates (a 128 kbps Vorbis file often sounds closer to the source than 128 kbps MP3), and the Ogg format is fully royalty-free with no patent history. The trade-off is compatibility: iPhones, iTunes, most car stereos, and Bluetooth speakers don't decode OGA natively. Pick OGA when your target is open-source software, Linux, web games, Firefox/Chrome browsers, or Wikimedia uploads. Pick MP3 if the file needs to play everywhere.
No — Apple has never shipped Ogg Vorbis or Opus support in iOS or macOS. iPhones, iPads, Apple Music, iTunes, and CarPlay all refuse .oga files natively. Third-party apps like VLC for iOS will play them, but anything that ships through Apple's own Music app or Files preview will fail. If your target audience is on Apple devices, convert to MP3 or M4A instead.
.oga different from .ogg and .opus?All three are Ogg containers from Xiph.Org. .ogg is the original generic extension and can carry Vorbis audio OR Theora video. .oga was added later to explicitly mark audio-only Ogg files, so an operating system or browser knows there's no video track inside. .opus is reserved for Ogg containers carrying Opus specifically. The audio bytes are identical across all three; only the extension and OS hint differ. Some Linux file managers and Wikimedia upload tools prefer .oga for audio-only uploads.
Yes — drop the entire folder in. Each file converts in parallel withon our servers and downloads individually or as a single ZIP. The same encoder settings apply uniformly to the batch (typical when bouncing music stems or SFX libraries) or you can tune per file. There's no count cap or per-file size limit beyond your device memory.
Match the engine's expectations. Unity and Godot work cleanly with 44.1 kHz or 48 kHz stereo Vorbis for music and ambience, and 22.05 kHz mono for short SFX where size matters more than fidelity. For 3D-positioned SFX (gunshots, footsteps, UI clicks) mono is correct because the engine pans them at runtime — encoding a stereo source for a positional effect wastes 50% of the file with no benefit.
Trim in this tool — the trim runs before encoding, so you only spend encoding time on the audio you keep. Useful for cutting silence from the head and tail of a recording, isolating one take from a long session bounce, or extracting a music loop from a longer master. Both fields accept seconds or HH:MM:SS.sss format.
Standard text tags (title, artist, album) map to Vorbis comments in the Ogg container, which is the canonical metadata format Xiph defined. Broadcast Wave (BWF) timecode chunks, embedded loop points, and DAW-specific cue markers are not part of the Ogg specification and won't carry across — keep your WAV originals if you need those for re-import into Pro Tools or Reaper. For consumer playback metadata (track titles, album art, year), conversion is clean.