EqualStream

The problem

Shaping or inspecting the sound coming out of a browser tab normally means routing system audio through a virtual audio device and a desktop DAW — a setup that takes real effort, is platform-specific, and is far more machinery than the task deserves.

The approach

EqualStream captures tab audio directly through the browser's own screen-capture API and runs it through a Web Audio processing chain in real time, with a live visualiser rendered alongside. There is nothing to install and no virtual device to configure. All processing is local: audio is neither recorded nor transmitted.

What it does

Per-tab audio capture

Select any browser tab as the source. Muting the tab first prevents an echo between the original output and the processed stream.

Live processing chain

Audio is processed as it plays, so adjustments are audible immediately rather than applied to a recording after the fact.

Real-time visualisation

The incoming signal drives a live visualiser, rendered with WebGL post-processing for a bloom effect.

Entirely local

Processing happens in the browser. Nothing is recorded, stored or transmitted.

Light and dark themes

A theme toggle carries across sessions.

Pricing

Free.