Drop a song and add low-end punch — with a limiter on by default, so the bass gets bigger without clipping. Everything runs in your browser; nothing is uploaded.
Yes — completely free, with no sign-up, no watermarks, and no limit on how many files you process.
Not with Prevent clipping on (the default): a limiter holds the boosted low-end peaks under 0 dB. Turn it off only if you want raw maximum bass and accept possible clipping.
No. Decoding and processing happen locally in your browser, so your audio never leaves your device.
It applies a low-shelf EQ that lifts frequencies below about 120 Hz — the kick-drum and bass region — without muddying the mids and highs.
Whatever your browser can decode — MP3 and WAV work everywhere, with M4A, OGG and FLAC where supported. The result is saved as MP3 or WAV.