Convert WAV to OGG
Turn WAV recordings into small OGG files with Opus audio for websites, games and chat apps, on your own device.
- Nothing is uploaded
- Works offline after first use
- Open source
- No sign-up, no watermark. The limit is your device’s memory (phones hold less).
Converts WAV files to OGG with Opus audio inside, from 96 to 320 kbps, with several files at once. It is free, needs no account and adds no watermark, and your files are not uploaded: your browser reads the WAV and writes the OGG in this tab. Opus is lossy, so keep the WAV if you may want the original later.
Done
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Open the network tab. Your files never appear in it.
Add files and run the tool to see every request this tab makes.
Your files are processed on this device and never sent to a server. Reload the page to clear everything from memory.
A WAV holds uncompressed audio, about 10 MB a minute in stereo. An OGG file with Opus audio at 128 kbps is about 1 MB a minute, roughly a tenth of that, and for music and speech it is hard to tell from the WAV. That is why games, websites and chat apps like it.
The audio in the OGG file written here is Opus, the modern codec, in an OGG container. Your browser’s own Opus encoder does the work, and the file plays in Chrome, Edge, Firefox, current Safari, VLC and most Linux players.
Opus always runs at 48 kHz, so a WAV recorded at 44.1 kHz is resampled once on the way. A 3-minute stereo WAV at 44.1 kHz is about 32 MB; at 128 kbps the OGG is about 2.9 MB (128 kbps × 180 seconds ÷ 8).
The OGG is a listening copy. Keep the WAV as your master, and for a smaller copy with no loss at all use WAV to FLAC.
How it works
- Drop one or more WAV files, or tap to pick them.
- OGG at 128 kbps is already chosen. Use 96 kbps for speech, or 192 for music you care about.
- Convert. Each OGG downloads when it is ready; several come as a zip.
In your browser, not on a server
Your browser decodes the sound with the decoders it uses to play media on any website. The new file is written in your tab: MP3 by LAME compiled to WebAssembly, WAV by a few lines of code, FLAC by a small lossless encoder in this site’s code (fixed predictors and Rice coding, as the FLAC format describes), and M4A or OGG by the browser’s own AAC and Opus encoders (WebCodecs), packed by Mediabunny (MPL-2.0). WAV and FLAC keep the original sample rate.
Compared with upload-based tools: Online audio converters upload every file, queue it, cap free use at a few files or a few hundred megabytes, and keep the upload for hours. Recordings of meetings, unreleased songs and voice memos are private. Here the files never leave your device and a whole folder converts at once.
Verify it yourself. Give the page a short while after your first run to save itself for offline use, then turn off Wi-Fi or switch to airplane mode and run the tool again. Or open your browser's developer tools (F12, or Cmd-Option-I on a Mac), pick the Network tab, and watch it while you convert. The panel above does the same count for you.
Questions
How do I convert WAV to OGG?
Drop the .wav file on this page and press Convert. Your browser reads the file and writes an OGG with the same name and an .ogg ending. Several files can go at once and download as a zip.
What is inside the OGG file?
Opus audio in an OGG container. Opus is newer than the codec many people expect in an .ogg file and sounds better at the same size. Browsers, VLC, Discord and most Linux players read it. If your game engine or an older player refuses the file, keep the WAV for that program or convert to MP3 instead.
Will the OGG sound worse than the WAV?
A little, because Opus discards detail the ear is least likely to miss. At 128 kbps most listeners cannot tell music from the WAV, and 192 kbps is safer for critical listening. Keep the WAV if you may need the best copy later.
Why is the sample rate 48 kHz?
Opus always works at 48 kHz, so a WAV at 44.1 kHz is resampled once while it is converted. The change is not audible; it only matters if you need the exact original sample rate, in which case convert to FLAC instead.
Can I convert WAV to OGG without uploading the file?
Yes. The WAV is read from your disk and the OGG is written by your browser’s encoder in this tab, so the audio does not leave your device. Open the network tab while you convert and the file is not among the requests.
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Guides
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