// a sandbox of 139 sharp tools
QR, barcodes, bcrypt hashes for PHP, UUIDs, JWT decoders, color palettes — fast, local, no signup. Search the sandbox and start.
Developer · tool
Build a robots.txt with disallow rules and sitemap.
robots.txt
User-agent: * Allow: / Disallow: /admin Disallow: /private Disallow: /cart Sitemap: https://example.com/sitemap.xml
ad space · horizontal
// about the sandbox
Every generator runs entirely in your browser. Your inputs never leave the page — no servers, no logging, no tracking pixels. Open the tool, get the thing, close the tab.
ad space · horizontal