Volume Changer Online
Free Audio Volume Adjuster
Adjust audio volume with professional precision. Normalize loudness using industry-standard LUFS, boost quiet recordings, or reduce overly loud audio - all in your browser.
Upload Audio Files
Drag and drop your audio files here, or click to browse
Supports: Supports MP3, WAV, FLAC, AAC, M4A, OGG, and more
How to Adjust Audio Volume
Simple steps to perfect your audio volume in seconds
Upload Audio File
Drag and drop your audio file or click to browse. Supports MP3, WAV, FLAC, AAC, M4A, OGG, and more formats.
Choose Volume Settings
Select from 7 optimized presets or use manual mode. Choose LUFS normalization for professional results or simple dB adjustment.
Adjust Volume
Click 'Adjust Volume' to process your audio. Apply LUFS normalization or volume changes with optional peak limiting.
Download Result
Download your volume-adjusted audio file. All processing happens locally - no uploads required.
Key Features
Everything you need to adjust audio volume perfectly
LUFS Normalization
Industry-standard EBU R128 loudness normalization. Ensure consistent volume across all your audio files for professional results.
Smart Presets
Optimized presets for podcasts (-16 LUFS), music (-14 LUFS), audiobooks (-18 LUFS), and streaming platforms. Or use manual control for precise adjustments.
True Peak Limiter
Prevent audio clipping with the built-in true peak limiter. Safely increase volume without distortion or harsh artifacts.
7 Volume Presets
Quick presets for common use cases: Podcast, Music, Streaming, Audiobook, YouTube, and more. One-click optimization.
Privacy First
All volume adjustment happens in your browser using FFmpeg. Your audio files never leave your device. Complete privacy guaranteed.
Batch Processing
Process multiple audio files at once with consistent normalization. Perfect for podcast series or album mastering.
Common Use Cases
Podcast Production
Normalize your podcast episodes to -16 LUFS for consistent loudness across all platforms. Ensure your audience enjoys a comfortable listening experience.
Music Mastering
Prepare your tracks for streaming platforms like Spotify and Apple Music. Target -14 LUFS for optimal loudness without sacrificing dynamic range.
Video Voice-Overs
Boost quiet voice recordings without introducing distortion. Perfect for YouTube videos, tutorials, and presentations.
Audiobook Publishing
Meet ACX and other audiobook platform requirements. Normalize to -18 LUFS for clear, comfortable long-form listening.
Related Audio Tools
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Frequently Asked Questions
What is LUFS and why should I use it?
LUFS (Loudness Units Full Scale) is the industry standard for measuring perceived loudness. Unlike simple volume adjustments, LUFS normalization ensures consistent loudness across different audio files and platforms. It's used by all major streaming services and broadcasters.
What LUFS target should I use?
Podcasts: -16 LUFS, Music/Spotify: -14 LUFS, Audiobooks: -18 LUFS, YouTube: -14 to -16 LUFS, Broadcasting: -23 LUFS (EBU R128 standard). These targets ensure optimal loudness for each platform.
What is the true peak limiter?
The true peak limiter prevents audio from exceeding 0 dBTP (decibels True Peak), which can cause distortion when converting between formats. Always enable it when boosting volume to prevent clipping.
Can I boost volume without distortion?
Yes! Use the true peak limiter when boosting volume. It prevents clipping while allowing you to safely increase loudness. However, extreme boosts (>10 dB) may reduce dynamic range.
What file formats are supported?
We support all common audio formats: MP3, WAV, FLAC, AAC, M4A, OGG, WMA, AIFF, and more. You can also extract and adjust volume of audio from video files.
Is my audio data safe?
Absolutely! All volume adjustment happens locally in your browser using FFmpeg. Your audio files never leave your device or get uploaded to any server.