UUID Generator
Generate v4, v7 and v5 UUIDs, and inspect existing ones.
Paste a list of URLs and get a standards-compliant sitemap.xml, with per-URL change frequency and priority. Invalid URLs are flagged rather than silently dropped.
<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<url>
<loc>https://example.com</loc>
<lastmod>2026-09-03</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>https://example.com/about</loc>
<lastmod>2026-09-03</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>https://example.com/contact</loc>
<lastmod>2026-09-03</lastmod>
<changefreq>weekly</changefreq>
<priority>0.8</priority>
</url>
</urlset>Generate v4, v7 and v5 UUIDs, and inspect existing ones.
Generate strong passwords with a live strength estimate.
Create customisable QR codes and download them as PNG or SVG.
Build palettes and copy colours in HEX, RGB, HSL or OKLCH.