All audio tools

MP3, WAV, M4A, FLAC

Smaller files, set size

MP4, MOV to MP3

Keep the part you need

Many files, one track

Smooth start and end

Faster or slower

Play it backwards

Louder or quieter

Even, standard loudness

Higher or lower, same speed

Cut the quiet gaps

One channel

Microphone to MP3

Format, bitrate, tags