Free Online Audio Enhancer
Instantly improve your audio quality. Normalize loudness, apply smart compression, and boost presence with 5 professional presets — Voice, Podcast, Music, Warm, Bright.
- Free
- No sign-up
- Stays on your device
Why use this tool
5 Enhancement Presets
Voice, Podcast, Music, Warm, and Bright — tuned for different content types.
Auto Normalization
Peaks are normalized to −1 dBFS so your audio sounds consistently loud.
Dynamic Compression
Gentle compression evens out loudness differences and adds polish.
Live Preview
Hear each preset applied in real-time before exporting your file.
100% Private
All processing is done locally in your browser — nothing is uploaded.
Any Format Input
MP3, WAV, OGG, M4A, FLAC and more all supported.
Frequently asked questions
It applies a preset processing chain: auto-normalization (peaks to −1 dBFS), dynamic compression to even out loudness, and a preset-specific EQ curve to improve frequency balance for your content type.
The Podcast preset boosts bass warmth (200 Hz), cuts muddiness (500 Hz), and adds vocal presence (3 kHz) and air (12 kHz). It is designed to sound like broadcast radio.
The Voice preset applies a high-pass filter at 100 Hz, gentle compression (3:1 ratio), cuts harshness around 300 Hz, boosts presence at 2.5 kHz, and adds air at 10 kHz.
Yes — click Preview to hear the preset applied in real-time. Switch presets and compare before exporting.
No. All enhancement processing runs entirely in your browser using the Web Audio API and OfflineAudioContext.
Exported audio is a lossless WAV file at the same sample rate as your input.
Need a voice, not just an edit?
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