Choose a frame you trust.
Use an SDR photo, a still exported from your editor, or a local video. The browser decodes it on your device.
Local LUT preview / still + video
Every look.One frame.
Preview an entire LUT pack on footage you know. Compare, shortlist, and export—without opening an editor or uploading a single frame.
01 / Private browser workbench
The color decision,
without the detour.
Files stay on this device
Load media and LUTs in either order. Everything below runs locally after the page loads.
Choose media and LUTs in either order.
LHChoose media or try the sample
Drop a photo, video, `.cube` file, or LUT pack ZIP anywhere in this frame.
Load `.cube` files or a LUT pack ZIP to build your comparison grid.
02 / The workflow
From crowded pack to clear choice.
No account, no project setup, and no waiting for proxies. Bring one useful frame and every `.cube` file you want to judge.
Drop the whole pack.
Load individual `.cube` files, a folder, or a ZIP. Every valid LUT becomes a thumbnail rendered from the same frame.
Leave with a shortlist.
Inspect at full size, switch interpolation, tune strength, then export a labeled comparison or contact sheet.
03 / The boundary
Private by architecture.
Your images, videos, filenames, LUT contents, favorites, and shortlist remain in browser memory. The lab has no upload endpoint, account system, behavioral analytics, or cloud project storage.
Read the exact privacy boundaryFor LUT makers
Let customers see the look before they buy it.
We’re exploring private, branded pack previews for independent LUT creators. No marketplace pitch—just a better way to show what a pack actually does.
Join the seller pilot