Starwizz is a browser-based 4K starfield and galaxy animation generator. Set your parameters, hit record, and download a cinematic space background in minutes — no software to install, no account required.

The Problem It Solves

Creating a cinematic space background used to require 3D software, stock footage subscriptions, or a graphics team. For astrophotographers, content creators, and educators working alone, none of those options are quick or free. Starwizz removes every barrier — no installation, no subscription, no render queue.

Open it in a browser, dial in your simulation parameters, and record a perfectly looped 4K starfield video in minutes. The output is professional-grade and suited for YouTube intros, Instagram Reels, presentation backdrops, and virtual meeting backgrounds.

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POPULATION CONTROLModify the density and number of stars to simulate different galactic sectors.

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VELOCITY VECTORSAdjust travel speed to transition from a slow gentle drift to full high-warp effects.

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ROTATIONAL DYNAMICSFine-tune camera rotation to create chaotic orbits or smooth stable traversals.

CHOOSE A SCENE TYPESelect a pure deep-space starfield or a galaxy background with dynamic nebula cloud overlays.
SET YOUR PARAMETERSUse the real-time HUD to adjust star density, travel velocity, rotation speed, zoom factor, and shooting star frequency.
PREVIEW LIVEThe Canvas-based renderer updates immediately — what you see in the browser is exactly what will be recorded.
RECORD AT 4KHit Record and Starwizz captures the animation at full 4K resolution directly in the browser using the MediaRecorder API — no plugins required.
DOWNLOAD AND USESave the video file and drop it straight into your video editor, presentation software, or upload it directly to social media.

STARWIZZ

Overview

The Problem It Solves

Features

How It Works

Demo