Screen Recorder No Download — Record in Chrome, No Installation

Why use Nyxhora for this workflow

The real problem with downloadable screen recorders

Let us be honest about why you are looking for a no-download option. (1) You are on a work computer and IT blocks software installation. (2) You are on a Chromebook and there are no good native options. (3) You need to record once and do not want to clutter your system with software you will use once. (4) You tried installing a recorder and it came bundled with adware or asked for suspicious permissions. (5) You are on someone else's computer and cannot install anything. All of these are valid reasons. Browser-based recording solves every one of them — open a URL, grant screen permission, record, download your file, close the tab. No traces left behind.

How the browser screen capture API works (no extension needed)

Modern browsers include the getDisplayMedia API — the same technology that powers Google Meet screen sharing, Loom, and Teams screen share. When you click Record, the browser asks you to select a screen, window, or tab. Once you grant permission, the browser captures the video stream. Nyxhora adds microphone audio, webcam overlay, and real-time compositing on top of this. The recording is encoded to MP4 using WebCodecs (a modern browser API for video encoding) and stored in your browser's memory. No extension is involved — it is all native browser functionality. This is why it works on Chromebooks, managed devices, and any machine with Chrome 72 or newer.

Privacy advantages of no-install recording

Downloadable screen recordors run with full system access — they can see everything on your screen, run in the background, and sometimes collect telemetry. Browser-based recording is sandboxed: it can only capture what you explicitly grant permission for, it runs in a single tab, and it stops completely when you close the tab. Your recording stays in the browser's local storage (IndexedDB) and never touches a server. For anyone recording sensitive content — corporate demos, healthcare screens, financial data — this is a meaningful security difference. No background process, no always-on daemon, no data collection.

What about offline recording?

Here is the honest limitation: you need internet for the initial page load. After that, Nyxhora caches the application and AI models in your browser's service worker. If your connection drops after loading, basic recording still works. AI features (captions, noise removal) need the models to be cached first — use them once while online, then they work offline. For most users, this is not an issue. But if you need truly offline recording with no internet at all, a desktop app like OBS Studio or ShareX is the better choice.

How it works

Frequently asked questions