Simon Willison’s Weblog

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7th May 2026

Tool Big Words — Display and customize large text with real-time formatting options including fonts, colors, gradients, and effects. Double-click or double-tap the display area to open the settings panel and adjust text content, styling, and background appearance. Share your creations by saving the customized URL with all your settings encoded as query parameters.

I'm using my vibe coded macOS presentations tool to put together a talk, and I wanted to add a slide with some text on it. The tool only accepts URLs, so I put together a quick page that accepts query string arguments and turns them into a simple slide.

Here's an example: https://tools.simonwillison.net/big-words?text=simonwillison.net&gradient=1&size=9.5

Double click or double tap the page to access a form for modifying the different options.

Screenshot of a slide editing tool showing a slide on the left with "simonwillison.net" in heavy white sans-serif text on a black-to-blue gradient background, and a "Slide settings" panel on the right with: TEXT field containing "simonwillison.net", TEXT COLOR white, BACKGROUND black, "Use gradient background" checked, SECOND COLOR blue, ANGLE 135°, FONT "System sans-seri", WEIGHT "Heavy", SIZE 9.5vmin, unchecked Italic / Uppercase / Drop shadow checkboxes, and Reset and Save URL buttons.

Posted 7th May 2026 at 6:47 pm

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