Audio Effects - Free Online Tool | PivaBox

Voice changer and audio effects — pitch shift, reverb, echo, distortion, EQ, robot voice. Process in your browser with Web Audio API

How to Use Online Audio Effects

1. Upload an audio file or enable your microphone to capture live audio
2. Adjust the effect parameters — pitch shift, reverb, echo/delay, distortion, EQ, and robot voice toggle. Effects can be combined in a chain for creative sound design
3. Click Play to preview your effects in real-time. When satisfied, click Apply & Download to export the processed audio as a WAV file

Frequently Asked Questions

Is Audio Effects free?

Yes, PivaBox Audio Effects is completely free to use. There are no charges, subscriptions, or hidden fees. All audio processing runs locally in your browser using the Web Audio API.

Are my audio files uploaded to a server?

No. All audio processing and effects happen entirely in your browser. Your audio files and microphone recordings never leave your device, ensuring complete privacy.

What audio effects are available?

The tool supports pitch shifting (playback rate adjustment), reverb with adjustable room size and decay, echo/delay with configurable time and feedback, distortion via wave shaping, 3-band EQ (low/mid/high shelving filters), and a robot voice effect (ring modulation). Effects can be combined in any order.