TypeFlux
Preview and test typography on any live website in real time
TypeFlux launched on March 5, 2026 with 5 votes, #1,928 of 23,380 launches that month and more than 75% of that year's launches.
What it does
TypeFlux is a Chrome extension that lets you preview and test typography on any live website, without touching DevTools or writing any CSS. Instantly swap fonts from 30 Google Fonts, adjust sizes, weights, spacing, and line height with real-time sliders. Click any element to style it independently. Perfect for designers, developers, and accessibility auditors.
Live typography preview for any website. Test fonts, spacing, and hierarchy with instant results directly on the page.
Test fonts, spacing, and type scales with instant real-time preview. No DevTools, no code, just live results directly on the page. Professional controls designed to help you experiment with typography on live pages. Instantly preview Google Fonts on any live website. Switch families and weights in real-time without touching code or DevTools. Generate perfectly balanced heading sizes using modular scale ratios. Maintain visual hierarchy instantly. Click any text element and style it independently. Test hierarchy changes without affecting the entire page. Fine-tune font-weight, size, line-height, letter-spacing, and alignment from a unified interface with pixel-perfect accuracy. Design and…from heykaan.dev
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Font Tester2024 · font-tester.foxcraft.tech · ▲280I've been looking for new fonts to use for a new project, but there weren't any great tools for seeing how a particular serif font for headers would look with another sans font for paragraph text, so I built a tool that lets you compare, adjust, and tinker with the way you'd use a font in your specific project before downloading it/setting it up. This is only using the free Google fonts for now. If there are other open-source fonts I should add, let me know and I'll add them!
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