Skybox Generator
Describe a sky and get a seamless 360° skybox, or pick a free one from the library. Preview in 360°, download in 4K.
Sign in to generate · 2,000 credits per skybox · or browse the free library
Building for Roblox? Roblox skybox generator
From preview to in-game sky in three steps
- Step 1
Pick a sky
Browse the free library below. Each card opens a 360° preview so you can look around before you commit.
- Step 2
Download the panorama
Every skybox is a 4096×2048 equirectangular WebP: one seamless image, level horizon, ready for any engine.
- Step 3
Set it as your sky
Assign it as the environment or skybox texture in your engine. The engine notes below cover the exact setting for each.
One panorama, every engine
Rosebud
Ask for a skybox while building a 3D game and the generator produces one for the scene. The same panoramas work as backgrounds in any Three.js project Rosebud creates.
Three.js
Load the WebP with TextureLoader, set mapping to EquirectangularReflectionMapping and colorSpace to SRGBColorSpace, then assign it to scene.background. Assign it to scene.environment too if you want the sky to tint reflections.
Unity
Create a material with the Skybox/Panoramic shader, set Mapping to Latitude Longitude Layout, drop the texture in, and assign the material under Lighting → Environment → Skybox Material.
Unreal Engine
Apply the panorama as an unlit emissive texture on a large inverted sky sphere, or use it as the source texture of an HDRI Backdrop. It is a visual sky, not measured lighting.
Godot
Add a WorldEnvironment node, give it a Sky with a PanoramaSkyMaterial, and set the panorama texture to the downloaded file.
Roblox
Roblox uses six square cube faces. Open any skybox and choose Roblox ZIP: you get SkyboxBk, SkyboxDn, SkyboxFt, SkyboxLf, SkyboxRt and SkyboxUp ready to upload and assign to the Sky object.
Equirectangular panorama or cubemap?
An equirectangular skybox is one 2:1 image that maps the full sphere around the camera: 360° horizontally, 180° vertically, with the horizon along the middle row. It is the format every skybox here uses, and the one most engines load directly as a sky or environment texture.
A cubemap is the same sphere cut into six square faces. Roblox and some older pipelines expect it. The popup converts any skybox to a cubemap in your browser; the scene itself stays the same.
Neither is an HDRI. These skyboxes are visual backgrounds, not high dynamic range lighting captures. They look right as the sky; they are not meant to light a scene physically.
Skybox FAQ
What is a skybox?
A skybox is the image a game wraps around the whole scene to stand in for the sky and distant surroundings. Here it is a single equirectangular panorama, a 2:1 image that a 3D engine projects onto a sphere around the camera.
What format are the downloads?
Every skybox is a 4096×2048 equirectangular WebP, which Three.js, Unity, Unreal, Godot and Blender load directly as a sky or environment background. The popup can also convert it to a six-face cubemap ZIP, generic or named for Roblox.
Does this generate HDRI lighting?
No. These are visual skyboxes for backgrounds and environments, not high dynamic range lighting data. You can still assign one as the scene environment in Three.js to tint reflections, but it is not a measured HDRI.
Can I use a skybox for Roblox?
Yes. Roblox expects six square cube faces rather than one panorama. Open any skybox and choose Roblox ZIP to get the six faces named for the Sky object, then upload them in Studio and assign them to SkyboxBk, SkyboxDn, SkyboxFt, SkyboxLf, SkyboxRt and SkyboxUp.
Are the free skyboxes seamless?
Yes. Each one wraps horizontally without a visible seam and keeps the horizon level, so it reads correctly when projected onto a sphere.
Can I use these skyboxes in my game?
Yes. The library skyboxes are free to download and use in your games, on Rosebud or anywhere else.