1
Choose the audio converter for your input/output: MP3, WAV, M4A, AAC, FLAC, OGG.
2
Drop one or many audio files into the upload area.
3
Set bitrate (128/192/320 kbps) or pick a preset for podcast, music, or voice.
4
Click convert and download the result — single files or batch ZIP.

Key features

Lossy and lossless conversion: MP3, AAC, M4A, OGG, FLAC, WAV
Trim, fade in/out, normalize volume, and merge audio in one workflow
Extract MP3 from video files in seconds
Adjustable bitrate and sample rate for podcasts, music, and voice memos
Batch conversion with parallel processing
Runs in your browser — your recordings never leave your device

Frequently asked questions

Which audio format should I use for music?

FLAC for archival quality, MP3 320 kbps or AAC 256 kbps for everyday listening — virtually indistinguishable from the source on consumer hardware.

What bitrate is best for a podcast?

Mono 64–96 kbps MP3 is the standard for talk podcasts; stereo 128 kbps for interviews with music. Higher bitrates waste bandwidth without audible benefit.

How do I convert WAV to MP3 without losing quality?

Pick MP3 320 kbps (CBR) or VBR-0. The result is transparent for almost all listeners, at roughly 1/10 of the WAV size.

Can I extract audio from a video file?

Yes — Video to MP3 pulls the audio track and re-encodes it (or copies it directly when the source is already MP3-compatible).

How do I convert M4A from iPhone voice memos?

Drop the M4A file into the M4A to MP3 converter — we decode AAC in the browser and produce a universal MP3 in seconds.

What's the difference between lossy and lossless audio?

Lossless (FLAC, WAV) keeps every sample bit-perfect — large files. Lossy (MP3, AAC, OGG) discards inaudible data — much smaller files, near-identical sound.

How do I trim the silence from the start of a recording?

Open Trim Audio, drag the start handle to the first sound, and export. The waveform makes silent gaps obvious.

Can I normalize volume across multiple tracks?

Yes — Normalize Audio brings each file up to a target loudness (-14 LUFS for streaming, -16 for podcast) so playback is even.

Will the converter remove DRM from protected files?

No. We do not bypass digital rights management; only DRM-free files (your recordings, podcasts, royalty-free audio) can be converted.

How big can my audio file be?

Most browsers handle multi-hour files comfortably. A 4-hour WAV can be over 2 GB — works fine on a modern laptop.

Can I merge two MP3 files into one?

Merge Audio joins multiple files in the order you choose, with optional crossfade. Output is a single MP3, M4A, or WAV.

What's the best format for voice messages and notes?

AAC 64 kbps (.m4a) for the smallest file with clean voice quality, MP3 96 kbps if you need universal compatibility.