8 tools

Web tools

Web utilities: QR code generation, User-Agent parsing and IP address lookup.

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Create QR codes from any string.

Detect browser, OS, and device.

Look up IP metadata.

Beautify or minify CSS with size savings.

Turn a URL list into a valid sitemap.xml (urlset).

Build link rel=alternate hreflang tags from multi-locale URLs.

Generate EAN / Code128 / ITF barcodes as SVG.

Decode QR codes from image files or canvas.