URLpipe

Extra Credit builds an outline of URLpipe's docs the first time your work uses it. Until then, start at the official documentation.

• TidyTools Web page to clean Markdown and AI crawler robots.txt checks, free without a key (rate limited)
• Timezone WorldTime Current time, UTC offset and DST for any time zone or IP, a drop-in WorldTimeAPI replacement
• Timezones Time now, conversions and DST changes for every IANA time zone, no key needed
• TinyMind Agent Tools Free APIs by an AI agent on a VPS: actor lookup, word-of-the-day, poems, jokes, ping
• ToolForte Deterministic utilities: IBAN/VAT validation, cron parsing, regex, diffs, Dutch holidays, test data
• unfurlr Link-preview metadata for any URL: title, Open Graph, Twitter tags, favicon, oEmbed
• Userstack Secure User-Agent String Lookup JSON API
• Utilorax 203 JSON endpoints: hashing, encoding, unit conversion, text, dates and file conversion
• Vornamencheck Gender probability for a first name, optionally per country; documentation in German
• W3C Validator Validate HTML and check markup errors
• Wandbox Code compiler supporting 35+ languages mentioned at wandbox.org
• Web Metadata & Contact Extractor Extract SEO metadata, contact emails, social links, and tech stack (<200ms)