Author day, dusk, night, and studio HDRIs in the browser — or let AI generate one from scratch. Export real .hdr lighting data, not a tonemapped JPEG. No install. Free to start.
Your sky is a stack. Tune atmospheric scattering, push star density, tag light sources — adjust anything, lose nothing.
Every export is true high-dynamic-range data — physically saturated suns and moons, not a clipped photo dressed up. It lights scenes like a real capture.
A log-calibrated false-colour map shows exactly where your energy sits. Balance exposure with hue-preserving midtone curves before you ever hit export.
High-noon sun, golden hour, blue hour, star-field night, studio dome, or fully AI-generated. Day to deep space — and everything between.
No download, no setup. Open the editor and start with a blank sky.