MP3 vs. WAV: When to Convert (And How)
MP3 is small and convenient. WAV is big and editable. They're built for different jobs — here's how to pick and how to convert between them.
MP3: for listening and sharing
MP3 compresses audio by throwing away details your ears (mostly) can't hear. A 3-minute song is ~3 MB. Perfect for publishing, streaming, and sending.
WAV: for editing
WAV (PCM) stores every sample with zero compression. That same song is ~30 MB — but you can cut, mix, and process it with no quality loss. Always edit in WAV, then export the final version to MP3 for distribution.
How to convert (and trim)
Drop your MP3 or OGG file, optionally set trim start/end times to cut silence or unwanted parts, hit Convert to WAV, and download the PCM file. It happens entirely in your browser — your audio is never uploaded anywhere.
Convert your audio now — private, free:
Open Audio Converter →Beyond conversion: built-in effects
Unlike server-based converters, our tool edits audio locally in your browser — no upload, no waiting. After decoding you can apply fade in / fade out (in seconds), reverse the audio, normalize the volume to peak level, convert between mono and stereo, and resample (8000–48000 Hz). Combined with the trim controls, it's a free mini audio editor for quick jobs: cleaning voice recordings, preparing samples, or fixing levels before editing.
Load from URL, tag your files
You can also load audio straight from a URL (no download needed first), and fill in track info — title, artist, album, year, genre, comment — which is embedded into the WAV file's metadata so players and editors recognize it.