Choose your frame
Use an SDR photo, a still exported from your editor, or a local video. The browser decodes it on your device.
Free · Private · Browser-based
Your footage.Every look.
Preview an entire LUT pack on a photo or local video without opening a heavyweight editor. Nothing is uploaded. Nothing is saved.
Private browser workbench
Your footage. Every look.
Files stay on this device
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.
Three steps, no account
From crowded pack to clear choice.
Drop the whole pack
Load individual `.cube` files or a ZIP. Every valid LUT becomes a thumbnail rendered from the same frame.
Compare and shortlist
Inspect looks at full size, switch interpolation, tune strength, then export a labeled contact sheet.
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 boundary →