Can I boost audio from video files?

Yes. You can upload MP4, WebM, and MOV videos. PullDL extracts the sound track, boosts the volume, and lets you download the amplified audio.

Are my audio files uploaded to a remote server?

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

What audio formats can I export?

Boosted audio is exported as high-fidelity uncompressed 16-bit PCM WAV (44.1kHz / 48kHz), compatible with every media player and video editor.

IN-BROWSER DSP SOUND AMPLIFIER

Audio & Video Volume Booster

Amplify quiet recordings, lectures, and music up to 500% with real-time peak anti-clipping limiter.

Audio Volume BoosterDSP Limiter

Boost quiet audio and video tracks up to 500% with built-in peak anti-clipping limiter.

100% In-Browser

Drop your audio or video file here, or browse

Supports MP3, WAV, M4A, AAC, FLAC, OGG, MP4, WebM, MOV

How to Boost Audio Volume Online

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

Upload Audio or Video File

Drag and drop any MP3, WAV, M4A, AAC, FLAC, MP4, or WebM file into the booster studio.

Adjust Volume Gain Multiplier

Use the slider or preset chips to increase volume up to 200% (2x), 300% (3x), or 500% (5x).

Test & Export Boosted Audio

Click 'Test Boosted Sound' to preview live, then export and download your amplified lossless audio file.

Volume Booster FAQ

Common questions and detailed answers.

No! PullDL includes a built-in Web Audio DynamicsCompressor peak limiter that automatically smooths out harsh sound spikes to prevent digital distortion and speaker crackle.

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