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OGG to MP3 Converter

Convert OGG and Opus audio, including WhatsApp and Telegram voice notes, into MP3 files that play everywhere.

  • No upload
  • No file size cap
  • No credits or watermark
  • Batch convert

Drop files here to convert to MP3

OGG, OPUS, OGA and other audio files. Files are converted on this device and never leave it.

What is an OGG file and why convert it?

OGG is an open container usually holding Vorbis or Opus audio. It is used by WhatsApp and Telegram voice messages (often as .opus or .ogg), games, Wikipedia and some recorders. Many car stereos, iPhones, older players and editors do not play OGG. This converter decodes Vorbis or Opus in your browser and encodes MP3 at the bitrate you choose.

How to use OGG to MP3 Converter

  1. Open or drop your .ogg or .opus files.
  2. Choose 128 kbps mono for voice notes or 192–320 kbps for music.
  3. Optionally trim.
  4. Convert to MP3 and download.

Why convert MP3 to WAV here

  • No upload, no size capVoice notes and audio are read straight from your disk and converted on your device. Nothing is queued on a server or counted against a quota.
  • Voice notes made easyWhatsApp and Telegram voice messages become MP3s you can play or edit anywhere.
  • Vorbis and OpusBoth codecs inside OGG are supported.
  • Batch convert with ZIPAdd several files, convert them in one go with the same settings and download a single ZIP.

Common uses

  • WhatsApp voice notes. Save and share messages as MP3.
  • Game audio. Convert OGG sound effects and music.
  • Car stereos and iPhones. Devices that skip OGG files.
  • Transcription. Many transcription services prefer MP3.

OGG tips

  • Voice notes are mono speech: 128 kbps mono is plenty.
  • Opus is very efficient, so MP3 files will usually be larger.
  • Converting between lossy formats loses a little quality; avoid repeated conversions.
  • If a file will not open, it may be a video OGG (.ogv); the converter handles those too.

Local conversion vs upload-based converters

FeatureDigital ToolPadTypical upload converter
Where the file is convertedOn your device, in the browserOn the service’s servers after upload
File sizeNo cap set by us; limited by your deviceFree plans are often capped (commonly around 1 GB or less)
Daily limitsNoneSome services ration free conversions or use credits
Account or watermarkNeverVaries; some require sign-up for large files
MOV to MP4 without re-encodingAutomatic for H.264 videosVaries
Works offline after loadingYes, for the fast engineNo

Upload services are useful when a device is too slow or a format is very unusual. For everyday conversions, keeping the file local is faster to start and keeps private recordings private. Looking for more? See all video and audio tools, convert screen recordings with WebM to MP4, or split a photo for Instagram with the grid maker.

Example: a WhatsApp voice note

A 2-minute voice note (PTT-20261010-WA0003.opus, 300 KB) becomes a 1.9 MB MP3 at 128 kbps mono.

What to expect from the result

Some OGG files with unusual codecs (FLAC-in-OGG, Speex) use the slower FFmpeg fallback.

OGG to MP3 Converter questions

How do I convert WhatsApp audio to MP3?

Save the voice note from WhatsApp (Share › Save to Files on iPhone, or find the .opus file on Android), open it here and convert to MP3.

Is this OGG to MP3 converter free and private?

Yes. It is free, with no account, watermark, daily credit or conversion count. Your file is opened by your browser and converted on your device; it is not sent to a conversion server. Closing the tab discards the working copy. Downloaded results stay on your device.

Is OGG better than MP3?

At the same bitrate, Vorbis and especially Opus sound better than MP3, but MP3 is supported by more devices.

What bitrate should I use for WAV to MP3?

192 kbps for most music, 320 kbps for the best quality, and 128 kbps mono for speech.

Is there a file size limit?

We do not set one. The fast engine reads your file in small pieces, so multi-gigabyte videos work on most desktops. The practical limit is your device memory. In Chrome and Edge you can save a single large MP4 directly to disk while it converts. The FFmpeg fallback, used only for unusual codecs, works best below about 2 GB.

100% private — your data never leaves your browser

No registration, no tracking of your content, no server uploads. Don't just take our word for it:

  • No server, no uploads

    Your files and text are processed entirely on your device. Nothing is ever sent to us.

  • Works offline

    Once loaded, this tool keeps working with your Wi-Fi turned off. Try it.

  • Verify it yourself

    Open your browser's DevTools → Network tab. You'll see zero requests carrying your data.

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