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Free Audio Fade In/Out Online

Add smooth fade effects to your audio instantly. No install, no sign up. 100% private, processed in your browser.

Online Audio Fade Tool

Drag & drop your audio file here

or click to browse • MP3, WAV, FLAC, OGG, M4A, WebM, AIFF, MP4 • Max 50MB

How to Add Fade Effects Online

  1. Upload Your Audio

    Drag and drop or browse to select your audio file. We support MP3, WAV, FLAC, OGG, M4A, WebM, AIFF, and MP4 formats.

  2. Enable Fade In/Out

    Toggle the fade in and/or fade out switches. Adjust the duration (0.5s to 10s) and choose the curve type (linear, exponential, or logarithmic).

  3. Preview the Result

    Click "Play Preview" to hear your audio with the fade effects. The playhead shows your current position in the waveform.

  4. Export & Download

    Click "Export & Download" to save your audio with fade effects as a high-quality WAV file.

Why Use ChangerAudio Audio Fade?

No Sign Up

No account needed. No email required. Just open and use instantly.

No Install

Works directly in your browser. No software, no plugins, no downloads.

100% Free

No watermarks, no hidden limits. Forever free for personal and commercial use.

Multiple Curves

Choose from linear, exponential, or logarithmic fade curves for different effects.

Frequently Asked Questions

What is the difference between linear, exponential, and logarithmic fades?

Linear fades change volume at a constant rate. Exponential fades start slow and accelerate (natural for fade out). Logarithmic fades start fast and decelerate (natural for fade in).

Can I add both fade in and fade out?

Yes! You can enable both fade in and fade out simultaneously. The fade in applies to the beginning, and the fade out applies to the end of your audio.

What is the maximum fade duration?

You can set fade durations from 0.5 seconds to 10 seconds. This covers most use cases from quick transitions to long, gradual fades.

Is my audio uploaded to a server?

No! All audio processing happens locally in your browser using Web Audio API. Your files never leave your device.

Do I need to install any software?

No! ChangerAudio Audio Fade works entirely in your browser. No install, no download, no software required.

Can I use the output commercially?

Yes, all exports are royalty-free. You can use them for personal or commercial projects.