URL Encoder/Decoder
Percent-encode text for URLs, or decode an encoded string back to plain text.
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URL Encoder/Decoder — open tool
URL Parser
Break any URL into protocol, host, port, path, query parameters and hash — entirely on-device.
Query String Builder
Build clean URL query strings from key/value pairs, with sorting, encoding and empty-pair handling.
UTM Builder & Parser
Tag campaign URLs with utm_* parameters, or inspect which UTM tags an existing URL carries.
robots.txt Analyzer
Paste a robots.txt and check exactly what any user agent may fetch, with the matching rules explained.
Sitemap.xml Generator
Generate a valid sitemap.xml from a list of URLs with changefreq and priority.
robots.txt Generator
Build robots.txt with allow/disallow rules, crawl delay and sitemap directives.
OG & Social Meta Tag Generator
Generate Open Graph and Twitter Card meta tags with a live social preview.
HTML Meta Tag Generator
Generate a complete set of HTML meta tags for SEO, viewport, theme and more.
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