AudioUtils

MP4 to OGG Converter

Extract the audio track from any MP4 video and save it as OGG Vorbis — the open-source format that's smaller than MP3 at equivalent quality and supported natively by every modern browser.

MP4OGG

Drop your MP4 file here or click to browse

MP4 (.mp4) · Max 20 MB

Free — 10-second preview, 5 conversions/month. Upgrade for unlimited

What is MP4?

The most common video container format. Used by YouTube, smartphones, and cameras. Extract audio from any MP4 file instantly.

What is OGG?

Open-source compressed format. Better quality than MP3 at similar bitrates. Used in gaming and web applications.

Why Convert MP4 to OGG?

MP4 is a video container; the audio inside is almost always AAC. When you only need the sound — a music video's audio, a lecture, a podcast recorded as video, a Zoom export — you don't want the video data taking up space. OGG Vorbis is a particularly good target: it's open-source (no licensing fees for commercial use), it produces smaller files than MP3 at the same perceived quality (often 15–25% smaller at 128–192 kbps), and every major browser plays it natively in HTML5 audio. That makes it ideal for web projects, game sound effects, and Linux/Android playback. Going MP4 → OGG involves two steps under the hood: extract the AAC track, then re-encode it to Vorbis. That second step is a lossy-to-lossy conversion, so quality drops slightly versus the source AAC. To minimise this, encode the OGG at a higher Vorbis quality than the AAC bitrate suggests — Q5–Q6 (about 160–192 kbps) is plenty for music sourced from a 128 kbps AAC. For voice content, Q3–Q4 (96–128 kbps) is fine. Don't go below Q3; the artifacts compound on top of the AAC's own losses.

Who Uses This Converter

Web audio embedding

OGG plays natively in Chrome, Firefox, Edge, and Safari. Smaller than MP3 means faster page loads — ideal for HTML5 audio elements.

Game audio (royalty-free)

Unity, Unreal, and Godot all use OGG Vorbis as a primary format. Convert music videos or recorded SFX to OGG for direct use without licensing concerns.

Linux & Android playback

Native OGG support across the Linux ecosystem and most Android players. Extract MP4 audio to OGG once and skip the codec dance.

Frequently Asked Questions

Why convert MP4 to OGG instead of MP3?

Three reasons: smaller files at equivalent quality (Vorbis beats MP3 by ~15–25% at 128–192 kbps), no patent licensing concerns for commercial projects (Vorbis is fully open), and native playback in every modern browser. MP3 is more universally supported on hardware (car stereos, older devices), so pick MP3 if hardware compatibility matters most.

Will the OGG sound as good as the original MP4 audio?

Almost — but not quite. The MP4's audio is already AAC (lossy), and re-encoding to Vorbis is a second lossy pass. At Q5–Q6 Vorbis (160–192 kbps), the audible difference versus the source AAC is minimal for most music, inaudible for voice. To preserve maximum quality, encode at Q7+ or use FLAC instead if file size doesn't matter.

What Vorbis quality level should I use?

Q5 (160 kbps target) is the safe default for music. Q6 (192 kbps) for high-quality music. Q3–Q4 (96–128 kbps) for voice and podcasts — Vorbis is very efficient on speech. Avoid Q0–Q2 (64–96 kbps); artifacts become audible, especially on cymbals and consonants.

Does the conversion handle MP4 with multiple audio tracks?

The converter extracts the first audio track. MP4 files with multiple language tracks or commentary tracks will only export the primary one. For multi-track extraction, use ffmpeg with the -map flag.

What happens to the video?

It's discarded. The OGG container is audio-only — there's no video stream in the output. If you need both audio and video, look for a video editor, not an audio converter.

Are there any patent or licensing issues with OGG Vorbis?

No. Vorbis is fully open-source, royalty-free, and patent-unencumbered. You can use the encoded files in commercial projects, games, and apps without licensing fees — unlike MP3 (now patent-free) and AAC (still encumbered for commercial encoding above certain thresholds).