Trim audio with a waveform — make ringtones.
Convert any audio to MP3 or WAV.
Merge multiple audio files into one.
Make audio louder — with clipping protection.
Play any audio backwards.
Speed up or slow down audio (0.25×–4×).
Play any frequency — sine, square, saw.
Steady beats, 30–250 BPM with accents.
Record from your microphone, save as MP3.
Cut dead air automatically.
Ten-band EQ with presets, applied to the file.
Make audio orbit the listener's head.
Put a recording in a room, from booth to cathedral.
Merge, isolate or split audio channels.
Shrink audio files by re-encoding at a lower bitrate.
Tune by microphone, with cent-accurate readout.
See sound: spectrum, waveform and spectrogram, live.
Slow a song down and put it in a big room.
Speed a song up and lift the pitch with it.
Slow it right down and drown it in reverb.
The gentle slow-down that suits a short clip.
Make the faster, brighter version of a song.
Add weight to the low end without breaking it.
Find the tempo of any song, or tap it in.
Cancel a centred vocal to get a rough instrumental.
Change the key without changing the speed.
Find the highest frequency you can still hear.