syskit/index.html at main · atsiom/syskit · GitHub

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<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />

    <!-- Primary meta -->
    <title>syskit — developer tools for the browser</title>
    <meta name="description" content="Free browser-based tools for developers and sysadmins. chmod calculator, cron builder, CIDR subnet calculator, RAID planner, regex tester, JWT decoder, Base64, URL encode, DNS lookup, and more. No sign-up, no tracking." />
    <meta name="keywords" content="chmod calculator, cron expression builder, CIDR calculator, RAID calculator, regex tester, JWT decoder, base64 encoder, URL encoder, DNS lookup, nslookup, epoch converter, developer tools" />
    <link rel="canonical" href="https://syskit.atsiom.com/" id="canonical" />

    <!-- Open Graph -->
    <meta property="og:type"        content="website" />
    <meta property="og:site_name"   content="syskit" />
    <meta property="og:url"         content="https://syskit.atsiom.com/" id="og-url" />
    <meta property="og:title"       content="syskit — developer tools for the browser" id="og-title" />
    <meta property="og:description" content="Free browser-based tools for developers and sysadmins. chmod, cron, CIDR, RAID, regex, JWT, Base64, DNS lookup, and more." id="og-desc" />
    <meta property="og:image"       content="https://syskit.atsiom.com/og-image.png" />

    <!-- Twitter Card -->
    <meta name="twitter:card"        content="summary_large_image" />
    <meta name="twitter:title"       content="syskit — developer tools for the browser" id="tw-title" />
    <meta name="twitter:description" content="Free browser-based tools for developers and sysadmins. chmod, cron, CIDR, RAID, regex, JWT, Base64, DNS lookup, and more." id="tw-desc" />
    <meta name="twitter:image"       content="https://syskit.atsiom.com/og-image.png" />

    <!-- JSON-LD structured data -->
    <script type="application/ld+json">
    {
      "@context": "https://schema.org",
      "@type": "WebApplication",
      "name": "syskit",
      "url": "https://syskit.atsiom.com/",
      "description": "Free browser-based tools for developers and sysadmins. No sign-up, no tracking, works offline.",
      "applicationCategory": "DeveloperApplication",
      "operatingSystem": "Any",
      "offers": { "@type": "Offer", "price": "0", "priceCurrency": "USD" },
      "author": { "@type": "Organization", "name": "Atsiom LLC", "url": "https://www.atsiom.com" },
      "featureList": [
        "chmod calculator",
        "crontab expression builder",
        "CIDR subnet calculator",
        "RAID capacity planner",
        "sed command generator",
        "awk one-liner builder",
        "IP geolocation lookup",
        "DNS record lookup",
        "Unix epoch converter",
        "DNS propagation checker",
        "URL encoder and decoder",
        "Base64 encoder and decoder",
        "Regular expression tester",
        "JWT token decoder"
      ]
    }
    </script>

    <!-- Fonts -->
    <link rel="preconnect" href="https://fonts.googleapis.com" />
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:ital,wght@0,100..700;1,100..700&family=IBM+Plex+Mono:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;1,100;1,200;1,300;1,400;1,500;1,600;1,700&display=swap" />

    <style>body { visibility: hidden; }</style>
    <script>
      (function () {
        // Restore path after GitHub Pages 404 redirect
        var redirect = sessionStorage.getItem('syskit-redirect');
        if (redirect) {
          sessionStorage.removeItem('syskit-redirect');
          history.replaceState(null, null, redirect);
        }

        // Apply theme before paint to avoid flash
        var saved = localStorage.getItem('syskit-theme') || 'system';
        var t = saved === 'system'
          ? (window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light')
          : saved;
        document.documentElement.setAttribute('data-theme', t);
        document.documentElement.style.setProperty('--visibility', 'visible');
      })();
    </script>
  </head>
  <body>
    <div id="root"></div>
    <script type="module" src="/src/main.jsx"></script>
  </body>
</html>