Step 1: Supply your AV1 files using the button above or by haul and lay.
Step 2: Click the 'Convert' button to start the conversion.
Step 3: Get your converted MP3 files.
AV1 to MP3 Conversion FAQ
{# Per-pair FAQ synthesizer (png/faq_synth.py).
Branches on raster/vector, lossy/lossless, alpha-channel,
animation, and codec family so 831 conversion pairs ship
substantively different FAQ content. Documented in
~/seo/playbook/02-faq-synthesizer-pattern.md. #}
How do I extract the audio from a AV1 as MP3?
+
Upload the AV1 file and the converter demuxes the audio track, then re-encodes it as MP3. No re-encoding of the video happens — only the audio stream is processed, which keeps it fast even on long videos.
Will the audio quality match the original AV1 track?
+
Yes — the audio is extracted at the source bitrate where possible. If you pick a higher MP3 bitrate than the source, the file will not improve in quality, just grow in size.
Is the AV1 to MP3 conversion reversible?
+
You can convert the MP3 back to AV1 on this site. If either format involved is lossy, the round-trip is not bit-perfect even though it is visually or audibly close.
What output quality should I expect from AV1 to MP3?
+
Default settings target broadcast / web quality — visually identical to the source for most viewers. For archival use, pick the highest quality option in the converter settings.
Is there a file-size limit when converting AV1 to MP3?
+
Anonymous uploads are capped at a generous default; signed-in free accounts get a higher cap, and Pro accounts have no per-file limit. Browser memory is usually the practical constraint long before our server-side limits kick in.
Can I batch-convert several AV1 files to MP3 at once?
+
Yes. Drop or pick multiple AV1 files in one upload — the converter processes them in parallel and returns a ZIP of the MP3 results. There is no need to repeat the upload step per file.
What happens to my AV1 files after the conversion?
+
Uploaded files and MP3 outputs are auto-deleted after a short retention window. We do not inspect, share, or train on user files. Direct download links are time-limited and tied to your session.
What apps can play a MP3 file?
+
MP3 plays in most music players, browsers, and media libraries. iTunes / Apple Music, VLC, Foobar2000, and phone media apps handle it natively.
Do I need to install software to convert AV1 to MP3?
+
No. The converter runs entirely in your browser plus our cloud — no plugin, no install, no admin rights. It works on Windows, macOS, Linux, ChromeOS, iOS, and Android.
Do I need an account to convert AV1 to MP3?
+
No. AV1 to MP3 conversion is free and works without an account. Signing in unlocks higher file-size caps, batch history, and API access.
Is there an API for AV1 to MP3 conversion?
+
Yes. Every conversion this site offers is also exposed via a JSON API — see /api/ for endpoints, authentication, and rate limits. AV1 to MP3 is one of the supported pairs.
What if my AV1 fails to convert to MP3?
+
Failures are usually caused by corrupted source files or unsupported AV1 variants. Re-export from the original app and try again; if it still fails, the contact page forwards the file to support so we can diagnose.