Audio to MP3 Converter Online
Convert any audio file to MP3 in your browser. WAV, FLAC, M4A, OGG, AAC, Opus, AIFF — drop any audio file, get a clean 192 kbps MP3 in seconds. No sign-up, no upload.
How to Convert Audio to MP3 in 3 Steps
No account. No upload. Just drop your audio file and convert.
Drop Any Audio File
Drag and drop WAV, FLAC, M4A, OGG, AAC, Opus, or AIFF — or click to browse. Files up to 200MB.
Click Convert
Hit the Convert to MP3 button. The audio is decoded and re-encoded locally in your browser.
Download MP3
Your MP3 downloads automatically at 192 kbps with the same filename, ready to play anywhere.
Every Audio Format You Need
Lossy or lossless, modern or legacy — convert any audio format to MP3.
MP3
Re-encode
WAV
Lossless
FLAC
Lossless
M4A
AAC
AAC
Lossy
OGG
Vorbis
Opus
Low-latency
WebM
Audio
AIFF
Lossless
3GP
Mobile
This is a dedicated audio-only converter. Need to rip audio from a video file? Use the MP3 Converter instead.
Why Notevibes Audio to MP3
Built for speed, privacy, and audio-only simplicity.
Universal Audio Support
Convert WAV, FLAC, M4A, OGG, AAC, Opus, AIFF, WebM, and 3GP. If your browser can play the audio, this converter can turn it into an MP3.
192 kbps Quality
Every MP3 is encoded at a clean 192 kbps — a safe balance of quality and file size that plays cleanly on every device.
Privacy First
Nothing is uploaded to a server. Your audio is decoded and re-encoded locally in your browser and stays on your device.
No Video
This is a dedicated audio tool — no video tracks, no muxers, no extra complexity. Drop a sound file, get an MP3.
Instant Download
Click Convert, and the MP3 lands on your device seconds later. No ads, no interstitials, no sign-up.
Works on Mobile
Convert audio on your phone or tablet. Works on iOS and Android, in Chrome, Safari, Firefox, and Edge.
Your Audio Stays on Your Device
Every conversion is processed locally in your browser using the Web Audio API. Nothing is uploaded, stored, or analyzed.
No Upload
Audio never leaves your device
No Account
Start converting immediately
No Tracking
We never see your file
When You Actually Need Audio to MP3
MP3 is still the universal audio format — here is where it matters.
FLAC → MP3 for Phone
Shrink your FLAC collection into MP3s that fit on your phone and stream anywhere
Voice Memo Standardization
Convert M4A and WAV voice memos to MP3 so every app and device plays them back
OGG Files for iTunes
iTunes and Apple devices don't natively play OGG — convert once for universal compatibility
AIFF Archive → MP3
Offload heavy AIFF master archives into portable MP3s for sharing and everyday listening
Unified MP3 Library
Turn a mixed collection of WAV, FLAC, M4A, and OGG into one clean MP3 library
Cross-Platform Sharing
Send audio to anyone on any device — MP3 is the one format everything still speaks
Need More Than a Converter?
The full Notevibes Online Audio Editor lets you trim, merge, record voice, remove vocals, clean up podcasts, add fades, and mix multiple tracks — all in your browser, exporting to MP3 or WAV.
Open Full Audio EditorRelated Audio Tools
More free browser audio tools from Notevibes — no sign-up, no upload.
Frequently Asked Questions
What audio formats can I convert to MP3?
You can convert MP3, WAV, FLAC, M4A, AAC, OGG, Opus, WebM audio, AIFF, and 3GP audio. If your browser can play an audio file, this converter can turn it into an MP3 at 192 kbps.
What's the difference between this and the MP3 Converter?
Audio to MP3 is audio-only — it accepts audio formats like WAV, FLAC, M4A, OGG, AAC, Opus, and AIFF. The MP3 Converter also accepts video files like MP4 and MOV and extracts their audio track. Both tools output MP3 at 192 kbps.
What bitrate is the output MP3?
Every converted MP3 is encoded at a clean 192 kbps — a safe balance of quality and file size that plays cleanly on phones, car stereos, and every MP3 player made in the last 20 years.
Is my audio file uploaded to a server?
No. The converter runs entirely in your browser using the Web Audio API. Your file never leaves your device — nothing is uploaded, cached, or stored anywhere.
Is the audio to MP3 converter free?
Yes. Completely free. No sign-up, no watermark, no ads, no limits on how many files you can convert. Max file size is 200MB.
Can it handle large audio files?
Files up to 200MB are supported. That covers most podcasts, full albums in FLAC, and long AIFF archives.
Does converting FLAC to MP3 lose quality?
Yes, converting FLAC to MP3 involves some quality loss because MP3 is a lossy format. However, 192 kbps is high quality and sounds very close to the original for most listeners, even on good headphones.
Does the audio to MP3 converter work on mobile?
Yes. The converter works on Chrome, Firefox, Safari, and Edge on both desktop and mobile. Drop an audio file from your phone and the MP3 downloads right there.