Overview
The free online audio volume booster amplifies audio up to 300% of the original level, or uses auto-normalization for consistent loudness. Supports MP3, WAV, FLAC, OGG, and more. Everything runs in your browser — files never leave your device. Choose from presets between 50% and 300%, and finish in three steps.Pain Point
Quiet meeting recordings, inconsistent podcast levels, barely audible lecture captures — you need to boost volume quickly without installing professional audio software. This tool does it instantly in your browser.Key Features
- Boost volume up to 300% or auto-normalize to consistent loudness
- Multiple presets from 50% to 300%
- Supports MP3, WAV, FLAC, OGG formats
- 100% browser-based processing, no server upload
- Free, unlimited, no sign-up required
Highlights
The auto-normalize feature is perfect for making multiple audio files consistent — it brings varying volume levels to a uniform standard without manual adjustment per track.Use Cases
- Podcasters: Unify volume across episodes for a better listener experience
- Recording Recovery: Boost quiet meeting, lecture, or interview recordings to audible levels
- Music Production: Level match tracks before mixing to ensure consistent loudness
Tips
- Start with 150% and increase gradually to avoid distortion from over-amplification
- Auto-normalize mode is ideal for batch processing multiple audio files
Related: Free Audio Noise Remover — Try it now Upgrade to Pro: Unlock unlimited access → View Pricing