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Matrix screensaver

White screen
Black Screen
Red Screen
Green Screen
Blue Screen

What people use the matrix rain screen for:

  • An ambient backdrop that installs nothing

    Traditional screensavers mean installing software, which is often impossible on a work or school machine. This runs in a browser tab, so any device with a modern browser can display falling green code fullscreen without an installer, an account or an administrator's permission.

  • A second-monitor display

    A spare monitor showing drifting code is more interesting than an empty desktop and less distracting than anything with text you might actually read. Put it fullscreen on the secondary display and leave it — there is nothing to click and nothing that will interrupt you with a notification.

  • Stream and video backgrounds

    Because it runs as a web page, it can be captured directly as a browser source in OBS or Streamlabs and layered behind a webcam or overlay. That is considerably easier than sourcing a licensed video loop, and it never repeats visibly the way a short looping clip does.

  • Parties, events and shop windows

    Cast it to a television or projector and you have instant atmosphere for a themed party, a games night, a stand at an event or a shop display. Any device that can open a browser and go fullscreen becomes an ambient screen, which usually means the television you already own.

  • Looking busy, convincingly

    The oldest use of falling code. Fullscreen on a laptop, it is the visual shorthand for serious computing that films established decades ago, and it holds up at a glance from across a room — which is generally the distance that matters.

  • Film, theatre and photography

    Productions need screens that read as computer activity without displaying anything real. Abstract falling glyphs are ideal: instantly legible to an audience, free of personal data or recognisable interfaces, and stable for as long as a take or a shoot needs.

  • A calm thing to leave running

    Some people simply like ambient motion on a screen while they work or wind down, in the way an aquarium or a fireplace video works. Falling code moves continuously without ever demanding attention, because there is no narrative to follow and nothing ever resolves.

  • Gentle on your machine

    The animation pauses automatically when you switch to another tab or minimise the window, so it stops consuming processor time and battery the moment you are not looking at it. If your system is set to reduced motion for accessibility reasons, the page respects that preference and holds a still frame instead.

  • Where the falling code comes from

    The imagery entered popular culture with the 1999 film, where the cascading green glyphs represented the simulated world's underlying code. The characters in the original were largely mirrored katakana rather than any real programming language, which is why the effect reads as alien rather than as legible text.

  • Careful on OLED screens

    Because the animation constantly changes which pixels are lit, it is much kinder to an OLED panel than a static image would be. Even so, avoid leaving any bright content running unattended on OLED for many hours at a stretch, and let the panel run its own pixel-refresh cycle as normal.

Frequently Asked Questions

How do I make it fullscreen?

Press the fullscreen button on the preview and the animation fills the entire display. Press Escape to come back out. It works the same way on desktops, laptops, tablets and phones, and on anything you cast or connect a screen to.

Is this a real screensaver?

Not in the technical sense — it does not replace your operating system's screensaver or activate on idle. It is a web page you put fullscreen when you want it. The practical result on screen is the same, with the advantage that there is nothing to install and nothing left behind.

Will it stop my computer from sleeping?

No. Your power settings still apply, so the machine will dim and sleep on its usual schedule unless you change those settings yourself. If you want it to stay on for an event, adjust the sleep timeout in your system settings.

Does it use a lot of battery?

Any continuous animation costs more power than a static page, but this one pauses entirely when the tab is hidden or the window is minimised, so it stops drawing when you are not watching. On a laptop running on battery for a long session, it is still worth closing the tab when you are done with it.

Can I use it as a background for my stream?

Yes. Add it in OBS or similar as a browser source pointed at this page, or capture the fullscreen window directly. Because it is generated live rather than being a short video loop, viewers never see it repeat.

Why does it stop moving sometimes?

Two reasons, both deliberate. It pauses when the tab is in the background to save power, and it holds still if your operating system is set to reduce motion — an accessibility setting some people rely on to avoid discomfort from continuous animation. Switch back to the tab, or change that system preference, and it resumes.

What are the characters?

A mixture of glyphs chosen for the look of the effect rather than to spell anything. The original film used mostly mirrored katakana together with numerals, which is why the cascade reads as code without being readable — and why trying to translate it is a dead end.

Does it work on a TV or projector?

Yes. Cast the tab or plug the device in and go fullscreen. Smart televisions with a built-in browser can open the page directly. It is a common choice for parties and events precisely because the screen is usually already there.