BETA

Wallpapers that are actually alive.

PrimoEngine turns your Mac desktop into a GPU-native canvas. Interactive Metal shaders, web scenes, and AI-generated worlds, all in kilobytes on disk.

Download for macOS See it move

Free forever. Start for Free, grab the Premium pack whenever you want more.

0 accounts required

~KB per wallpaper

MIT open-source client

∞ free tier

Why PrimoEngine

Not a video loop. A living engine.

Video wallpapers are heavy, static, and dumb. PrimoEngine renders real-time scenes on your GPU — so they react, evolve, and stay tiny.

GPU-native Metal shaders

Real fragment shaders running on your GPU — fluid, reactive motion in files measured in kilobytes, not gigabytes.

Interactive web wallpapers

Full HTML/WebGL scenes as your desktop. They respond to the cursor, the clock, and the world. Not a looping video.

AI generation, built in

Describe a mood and generate a brand-new shader or scene. Bring your own key — Anthropic or any OpenAI-compatible endpoint, incl. local models.

Every display, your way

Independent wallpapers per monitor with per-display rotation. Set it once and let your whole desk breathe.

Private by default

Your creations live on your Mac. Share `.livewallpaper` files peer-to-peer over AirDrop — no account, no cloud, no tracking.

Open source client

The app is MIT-licensed and auditable. No telemetry hiding in the binary — read the code, build it yourself.

Live, right now

The background of this page is the product.

Everything behind the hero is a fragment shader running on your GPU this instant. Move your cursor over it. That is what lands on your desktop.

Pick a living scene

Browse a curated catalog of shaders and web wallpapers, or import your own MP4. Live preview as you scroll.

Tune every display

Assign different wallpapers to each monitor, set rotation, and dial in performance to match your machine.

Generate your own

Prompt the AI to make something nobody else has. Keep it local, or hand a `.livewallpaper` file to a friend.

Discover

Two ways to fill your desktop.

Start with the free community pack, then unlock the full curated catalog whenever you want more. Same engine, your call.

Free · always

Community pack

A rotating set of hand-picked shaders and web wallpapers from the PrimoEngine community. No account, no payment, no expiration.

Curated community shaders
Import your own MP4 & web wallpapers
Multi-monitor & rotation
AI generation (bring your own key)
Peer-to-peer sharing via AirDrop

Start for Free

Premium

Full catalog

The complete library — every shader, every web scene, every pack we ship. Unlocked once, yours across your Mac, with new drops included as they land.

Everything in the free pack
Full curated shader & web catalog
New packs added over time
Unlock from inside the app

See what's inside

Get the full pack from inside the app once it's installed.

Give your desktop a pulse.

Free to start, under a minute. Runs on Apple Silicon and Intel Macs, macOS 13+.

Start for Free