UI Tweaker

Change any website's UI live — themes, tools, and AI redesign from a written prompt.

UI Tweaker lets you change how any website looks — instantly, in your browser. Tired of cluttered dashboards, tiny text, or noisy chrome on apps like Google Analytics? Open UI Tweaker and reshape the page without editing the site’s real code. WHAT YOU CAN DO • Themes — Night, Day, Ocean, Forest, Warm, Mono, Sunset, Slate, Mint • Tools — Hide, Enlarge, Spotlight, Soften, Outline, or Nuke any element • Layout presets — Focus mode, Readable, Dense UI, Kill popups, GA declutter, and more • Tuning — Text scale, contrast, dim page, grayscale, hide images • Custom CSS — Write styles and see them apply live • AI Redesign — Describe the look you want (up to 1000 words). Use Free demo with no API key, or connect your own OpenAI-compatible key FEATURES • Changes are saved per site (hostname) • Undo / reset anytime • Export and import your site settings • Works on normal websites (not chrome:// pages) PERFECT FOR • Cleaning up Google Analytics and other dense apps • Making sites more readable • Personalizing dashboards you use every day • Trying a new visual direction before writing real CSS Privacy note: Tweaks run locally in your browser. Optional AI calls only go to the API provider you configure; your key stays on your device.