PaletteFrame: Extract beautiful color palettes from any video

Hey Product Hunt 👋

I'm Bill, an EP at a creative studio. I've spent 20 years staring at color references, mood boards, and frame grabs, and I always wanted a fast way to pull the actual palette out of a finished cut, not just eyeball it.

So I built PaletteFrame. Drop in a video, and it samples frames, runs k-means clustering across them, and gives you the dominant colors weighted by how much screen area they actually occupy. Then it exports the whole thing (hero frame plus palette) as a clean HD/2K/4K PNG you can drop into a deck, a treatment, or a Notion page.

A few things I'm proud of:
- Universal codec support. Hybrid decoder runs AVFoundation/VideoToolbox for H.264/H.265/ProRes, and falls back to FFmpeg for VP9, AV1, WebM, MKV, and everything else. Tested on files up 50GB+
- Three hero-frame modes. Auto-pick the sharpest frame, the frame that best represents the overall palette, or scrub through 24 candidates yourself
- Configurable depth. Fast (30 frames) for a quick read, Exhaustive (every ~1s) for a music video or short film where every cut matters
- Native Mac, no subscription. SwiftUI, ⌘E to export, $9.99 one-time on the Mac App Store

Use cases I've seen so far: directors building treatments, colorists checking grade consistency, designers grabbing palettes from reference films, photographers pulling moods from b-roll.

Would love your feedback, especially on hero frame selection and which export sizes you'd actually use. AMA below!