Developer builds ad-free, 7-language symbol copy-paste tool with no framework or backend

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A developer has launched AltKeyHub, a free browser-based tool that lets users search and copy over 300 special characters, accented letters, and symbols in one click. The tool also provides Windows Alt codes, Mac keyboard shortcuts, and HTML entity references, requiring no account, installation, or backend server. Built entirely with static HTML, CSS, and vanilla JavaScript generated via a Python and Jinja2 pipeline, the site is hosted as plain files on Vercel. AltKeyHub supports seven languages — English, French, German, Spanish, Portuguese, Arabic, and Chinese — with proper RTL layout and font support for Arabic and Chinese scripts. The developer also added SEO-focused guide pages with structured FAQ markup to improve visibility in both traditional search engines and AI-powered answer tools.

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