A 3066x28800 screenshot reaches the model at 276x2600. Here is the math, and what to send instead.
I captured a full page on a retina display. The file was 3066 x 28800 pixels.
I pasted it into Claude and asked what it received.
276 x 2600.
Not cropped. Squeezed. Same 1:9.4 shape, 11 times smaller on both axes. About 99% of the pixels never reached the model.
Why it happens
I build a tool that turns text prompts into wall art you can actually hang — canvas prints, posters,...
tiny is a Claude Code skill. With one sentence it makes an image about 70% smaller and replaces it. It also counts your calls, so…
Anthropic's documented pixels-to-tokens formula, applied to three real image sizes, with the resize ceiling that caps what any…
If you're building AI agents that work with browser screenshots, you already know the pain. You take...
I maintain a small Android app that stitches a scrolling screen into one long image. It worked well...
Claude Code can read images. So can Cursor. So can ChatGPT. I built SlimSnap anyway, and the reason...
