MP3 Converter
One MP3 converter for everything: pull audio out of video, shrink recordings, free your lossless library — at the bitrate you choose.
up to 50 files at once
auto-delete in 24h · no signup · no watermark
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MP3 (MPEG-1 Audio Layer III) is a lossy audio format developed by the Fraunhofer Institute and released in 1993. It made digital music portable by shrinking audio to about a tenth of CD size, and remains the most universally compatible audio format ever made — everything plays MP3.
| Full name | MPEG-1 Audio Layer III |
| Developer | Fraunhofer Institute / MPEG |
| Released | 1993 |
| Type | Lossy compression |
| Typical use | music, podcasts, audiobooks, car stereos |
| MIME | audio/mpeg |
How to use this MP3 converter
- Drop files into the converter above — audio or video, up to 50 at once (200 MB each on the free tier).
- Pick MP3 as the target, and choose a bitrate if you care: 128 kbps for voice, 192 for music, 320 for archival quality.
- Hit Convert. Video sources automatically get their audio track extracted; tags and cover art carry over where present.
- Download files individually or grab everything as one ZIP. Originals are deleted immediately; results self-delete in 24 hours.
From video → MP3
- MP4 to MP3extract the soundtrack from any video
- MOV to MP3pull audio out of iPhone recordings
- MKV to MP3grab audio from movie files
- WebM to MP3audio from web and screen recordings
- AVI to MP3
From audio → MP3
- M4A to MP3Voice Memos & iTunes audio, universalized
- WAV to MP3shrink studio recordings ~90%
- FLAC to MP3lossless library → car-friendly files
- AAC to MP3
- OGG to MP3game and web audio, made portable
- Opus to MP3voice-note format → plays anywhere
- WMA to MP3
From MP3 → other formats
- MP3 to MP4audio as a video file for platforms that demand one
- MP3 to WAVuncompressed copy for editing
- MP3 to M4AApple-native AAC for iPhone ringtone work
- MP3 to AAC
- MP3 to FLAC
- MP3 to OGGfor games and web embeds
- MP3 to Opussmallest files for voice content
Which MP3 bitrate should you pick?
Bitrate sets the size-quality trade, and the right choice depends only on what the audio is. The table nobody else bothers to publish:
| Bitrate | Size / minute | Best for |
|---|---|---|
| 128 kbps | ~0.96 MB | voice, podcasts, audiobooks |
| 192 kbps | ~1.4 MB | everyday music (the default) |
| 256 kbps | ~1.9 MB | music you listen to closely |
| 320 kbps | ~2.4 MB | archiving & critical ears — blind tests can’t tell it from lossless |
Extracting MP3 from video, explained
Half the people searching for an MP3 converter actually want this: the sound from a video, on its own. The mechanics are simple — MP4, MOV and MKV files already carry a separate audio track inside; converting to MP3 pulls that track out and re-encodes it while the video is discarded entirely. A 200 MB video typically becomes a few MB of audio, and it converts far faster than any video-to-video job. Lecture recordings, meeting captures, and concert clips you filmed yourself are the everyday cases.
Why MP3, still?
AAC compresses better and Opus is more modern, but MP3 wins on the only axis that matters for sharing: every audio device made in the last 25 years understands it. Car stereos, old iPods, smart speakers, court evidence portals, website upload forms — when you don’t control where a file is going, MP3 is the answer that never bounces. That is exactly what this MP3 converter is for.
MP3 converter FAQ
Is this MP3 converter free?
Yes — 10 conversions a day with files up to 200 MB, no signup, no watermarks. A free account doubles the allowance; paid plans exist for heavy use.
Can I extract MP3 from a video?
Yes — it’s the most common job here. Drop an MP4, MOV, MKV or WebM and pick MP3: the audio track is pulled out and re-encoded while the video is discarded, far faster than converting video to video.
Does converting to MP3 lose quality?
MP3 is lossy. From lossless sources (WAV/FLAC), 256–320 kbps keeps the loss inaudible in blind tests. From lossy sources (M4A/OGG) you’re stacking a second compression — go one bitrate notch higher. And never re-encode an MP3 into another MP3.
Do tags and album art survive?
Yes. Title, artist and album tags map into ID3v2, and embedded cover art is written as standard APIC images — car stereos and phones display them normally.
Can I convert files in bulk?
Yes — up to 50 files per batch, processed through a rolling queue. Download results individually or grab the whole set as one ZIP. Albums and recording sessions go in one pass.
Are my uploads safe?
Transfers are TLS-encrypted, originals are deleted the moment conversion finishes, results self-delete after 24 hours, no human ever touches your files, and nothing is used for AI training.