Onyx – Free, local-first 4K screen recorder with no limits

Summary: Onyx is a browser-based screen recorder that captures studio-quality 4K video locally without uploads or time restrictions. It offers privacy by storing recordings on the user’s device and provides raw, high-bitrate video instantly without requiring accounts or subscriptions.

What it does

Onyx records screen, audio, and webcam input directly in the browser, saving files locally with no server involvement or upload delays. It supports unlimited recording length and allows quick trimming of videos.

Who it's for

It is designed for creators needing occasional high-quality screen recordings without subscription constraints or privacy compromises.

Why it matters

Onyx eliminates subscription fatigue and privacy concerns by offering a free, unlimited, and local-first recording solution.