Audio Volume Booster & Normalizer
Amplify quiet sound files, lectures, and voice memos up to 4x (400%) their original volume. Features peak normalization and a soft-clipping limiter to prevent harsh acoustic distortion. Runs completely in your browser.
Choose Audio File to Boost Volume
Boost quiet recordings, podcasts, and songs up to 400% with built-in limiter protection.
Select AudioHow to Use Audio Volume Booster & Normalizer
Input & Parameters
Choose the audio file you want to make louder.
Automatic Calculation
Choose 150%, 200%, or up to 400% volume gain.
Review & Copy
Preview the louder track and save it to your device.
Frequently Asked Questions
Related Tools
Online Audio Compressor & Downsampler
Compress audio files (MP3, WAV, OGG, AAC) in your browser with sample-rate downsampling and mono downmixing.
Audio Cutter & Trimmer
Cut, trim, and split audio files online with millisecond precision and instant local WAV download.
Audio Speed & Tempo Changer
Speed up or slow down audio files from 0.5x to 2.5x speed with instant local WAV download.
Audio Tone & Frequency Generator
Generate continuous audio test frequencies from 20 Hz to 20,000 Hz using sine, square, sawtooth, and triangle waves.