Editing & Splicing

Audio Normalizer Online

Even out audio volume to international broadcast and streaming loudness standards. Fix quiet recordings without dynamic compression or distortion.

100% browser-based. Zero file uploads.

Drop audio file here or browse files

Supports MP3, WAV, M4A, OGG, FLAC, AAC · 100% In-Browser

Why Normalize Audio?

Consistent Volume Across Episodes

If you produce podcasts, YouTube videos, or voiceovers, normalizing each audio take ensures uniform loudness without unexpected volume dips.

Zero Distortion Headroom

By choosing -0.5 dB to -1.0 dBFS instead of absolute zero, you safeguard against inter-sample peaks that cause distortion during MP3 or AAC compression.

Preserved Acoustic Dynamics

Unlike aggressive dynamic compression, peak normalization never squashes delicate musical details or whispers—it preserves the natural feel of your audio.

FAQ

Frequently Asked Questions

What is audio normalization?

Audio normalization scans your audio file to find the highest amplitude peak and scales the entire recording proportionally so the loudest moment reaches a specified target level (e.g. -1 dBFS or 95% peak). It does not distort or color the sound.

How does normalization differ from compression?

Normalization applies one consistent volume multiplier to the entire file, preserving the original dynamic range (the difference between loud and quiet parts). Compression actively reduces the volume of loud sounds while boosting quiet sounds.

Why should I normalize my podcast or voice recording?

Normalizing brings quiet voice recordings up to standard listening levels without clipping, ensuring your listeners do not have to strain to hear or constantly adjust their volume.

Is my audio uploaded to a server?

No. All peak detection and sample gain adjustments are executed locally in your browser using the Web Audio API. Your files remain completely private.

Explore More