8D Audio uses binaural panning algorithms to make sound feel as if it is rotating in a 360-degree circle around your head. For the best immersive experience, listen with stereo headphones.

Are my music tracks uploaded to any server?

Never. All digital signal processing (DSP) runs 100% client-side inside your browser using the HTML5 Web Audio API. 0 bytes leave your machine.

Which audio formats are supported?

PullDL supports all standard audio files: MP3, WAV, M4A, AAC, FLAC, and OGG.

Sub-Bass & 8D DSP Studio

Free Bass Booster & 8D Audio

Amplify deep sub-bass frequencies up to +24dB and simulate dynamic 360-degree surround sound in seconds.

Upload Audio File to Boost Bass

MP3, WAV, M4A, FLAC, AAC. Deep sub-bass enhancement with smart limiter.

Up to +24dB

Heavy sub-bass punch

Peak Limiter

Prevents digital clipping

100% Private

0 KB uploaded to server

8D Orbit

Dynamic headphone surround

How to Boost Bass in Audio & Music Online

Complete the task in a few clear steps without unnecessary setup.

Upload Audio Track

Drag and drop any MP3, WAV, M4A, or FLAC track into the bass booster workspace.

Dial in Bass & 8D Orbit

Adjust the Bass Boost slider (+0dB to +24dB) and optionally toggle 8D surround sound.

Preview & Download

Click 'Play Boosted Sound' to preview live, then render and export your master WAV audio file.

Frequently Asked Questions

Everything you need to know about PullDL Bass Booster.

No! PullDL includes a built-in studio dynamics compressor peak limiter that prevents digital clipping and keeps heavy kicks and 808 sub-basses punchy without damaging your speakers.