Audio Converter
Use this to turn an iPhone voice memo (M4A) into MP3, convert a FLAC archive into MP3 for portable players, shrink WAV studio recordings as OPUS, or migrate old WMA files to modern formats.
Version 0.1.46 is permanently free with all 76 tools and modules. No usage quota, time limit, license key or subscription.
What it does
Use this to turn an iPhone voice memo (M4A) into MP3, convert a FLAC archive into MP3 for portable players, shrink WAV studio recordings as OPUS, or migrate old WMA files to modern formats.
How to use it
- 1Drag audio files into the list.
- 2Pick a Target Format.
- 3Set Audio Quality, Sample Rate and Channels.
- 4Click Run.
Use cases
iPhone voice memos into MP3
Add the M4A files, Target MP3, 192k, Auto sample, Auto channels, run.
FLAC archive into phone-friendly MP3
Add the FLACs, Target MP3, 320k, run. High quality on the go.
Compress podcasts as OPUS
Add the podcasts, Target OPUS, 64k, Mono, run. Tiny files.
Old WMA music into FLAC
Add the WMAs, Target FLAC, Auto, run.
Frequently asked questions
Is Audio Converter free?
Yes. Version 0.1.46 is permanently free with all 76 tools and modules included. There is no usage quota or time limit, and no license key, account or subscription is required.
Local processing
Runs on your CPU/GPU. No file leaves your machine.
Batch ready
Process dozens or thousands of files in one run.
Part of BulkPro
Bundled with 76 tools across 7 modules: one install, one app.
Full UI reference, step-by-step workflows, edge cases
Every input, button, and behavior documented for advanced users.