Convert WAV to MP3
Compress uncompressed WAV recordings into MP3 files roughly a tenth the size for sharing and everyday listening.
Free workspace
Keep repeat file work in motion after the first export.
Start here without an account, then move into retained files, OCR, and starter workflows when the task stops being a one-off.
Instant use
25 browser conversions / day
Retained files
7-day retained files
Secure processing
10 server jobs / month
Document tools
20 OCR pages / month
Conversion surface
Run the file task now.
The converter stays fast and simple. Workspace features only step in when retention, OCR, or repeat work actually adds value.
How it works
A short path from input to finished export.
The flow stays simple so you can get in, finish the job, and move on without extra setup.
Upload WAV Files
Drag and drop your WAV files or click to browse. You can queue several at once.
Convert in Your Browser
The first run fetches the conversion engine (a one-time ~31MB download); after that, WAV to MP3 conversion happens entirely on your device — nothing is uploaded.
Download MP3
Save the converted file right away. Multiple files are bundled into a ZIP for one-click download.
Why FileMorf
A cleaner route for this conversion.
The tool keeps the core job lightweight while still giving you room to grow into retained, higher-value workflows later.
100% Private
All processing happens in your browser. Your files never leave your device.
Plays Everywhere
MP3 is the one audio format every device, app, car stereo, and browser of the last two decades can play.
One-Time Engine Download
The first conversion fetches a ~31MB audio engine; your browser caches it, and everything runs locally from then on.
Details
Answers before you start.
The important questions, plus the nearby routes users usually need next.
WAV stores raw PCM samples — about 10MB per minute of CD-quality stereo — which is ideal for editing but miserable for email, messaging, and storage. MP3 shrinks that by roughly 90% at the Standard setting with little audible difference. Convert the delivery copy to MP3 and keep the WAV as your editing master.
Yes, by definition — MP3 is a lossy format, and discarding detail the ear rarely misses is exactly where the size savings come from. At the High setting the difference is inaudible to most listeners on most equipment. Keep the WAV original as your master copy and convert delivery copies from it.
You pick one of three levels: High encodes at 320 kbps, Standard at 192 kbps, and Small at 128 kbps. Standard is a solid default for music, High is effectively transparent, and Small keeps voice recordings and podcasts compact.
No. The entire WAV to MP3 conversion runs locally in your browser. The only thing fetched is the conversion engine itself — a one-time ~31MB download that your browser caches. Your files never leave your device, and there is nothing for anyone else to store.
The first run downloads the audio engine — FFmpeg compiled to WebAssembly, about 31MB. Your browser caches it, so later conversions start immediately, whether you're converting one file or a whole batch.
Related routes
Keep moving through adjacent file work.
These are the next conversion paths people usually need after this one.
Next step
Convert now. Create a workspace when the job starts repeating.
Keep quick work frictionless, then move into retained files, document tools, and secure processing when that actually improves the workflow.