ColorZilla
Advanced Eyedropper, Colour Picker, Gradient Generator and other colourful goodies
Create styled QR codes locally from URLs, text, templates or CSV. Export PNG, SVG, WebP, PDF, ZIP and print grids — no history.
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QR Code Studio makes clean, good-looking QR codes right in your browser — and everything happens on your device. No account, no uploads, no tracking, and no history of what you generate.
Type a link or paste text and your QR appears instantly. Then make it yours: rounded, dotted or classic modules, custom eye shapes, brand colors, a logo in the middle, and a caption frame like "SCAN ME". Download it as a crisp PNG, SVG, WebP or PDF — or copy it straight to your clipboard.
WHY YOU'LL LIKE IT
• 100% offline — codes are built locally and never leave your computer
• No sign-in, no ads, no data collection, no saved history
• A polished, modern interface that also opens in Chrome's side panel
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Advanced Eyedropper, Colour Picker, Gradient Generator and other colourful goodies
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Spoofs & Mimics User-Agent strings.
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
Instant website analysis, AI traffic insights, and SEO metrics at your fingertips.
Adds a toolbar button with various web developer tools.