16 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Email deliverability & domain security check — validates SPF, DKIM (multi-selector), and DMARC, detects spoofing and misconfigurations, and returns an A–F email security grade with transparent deductions. Anti-spam / ant...
Read any public URL as clean Markdown for an LLM: articles, docs, product pages, news, PDFs (text by page), RSS feeds and JSON. Real tables, code with language, math as TeX, absolute links; author, publish date and other...
Sitemap Builder — Builds a correct XML sitemap, or a sitemap index file, from a list of pages, answered as the XML document only. Lists only canonical, indexable pages that return 200 on one host, and leaves out redirect...
Discover a website's URLs in one call: reads robots.txt, its declared sitemap(s) (sitemap indexes and gzipped sitemaps included, /sitemap.xml as the fallback) and the start page's internal links, then returns a same-host...
TLS certificate check for a domain - issuer, subject, validity window, days remaining and fingerprint
List the URLs of a website without reading them: robots.txt, sitemaps and sitemap indexes plus homepage links, up to 1,000 same-site URLs with lastmod and source. A cheap first step to decide which pages to read with web...
List the URLs of a site's XML sitemap (found via robots.txt if needed, following sitemap indexes and .gz files) with last-modified dates, optionally filtered by text. Discover a site's pages for crawling or monitoring.
Give this API a link to any website's sitemap.xml file and it will fetch and parse it, returning every URL found inside. If the sitemap links to other sitemaps (called sitemap indexes), it will follow and extract those t...
Extract every link from a public page for crawling agents: de-duplicated absolute URLs with anchor text, internal/external counts, declared feeds and a sitemap hint.
Fetch and parse a sitemap.xml (or sitemap index): returns up to 500 URLs with lastmod, or the child sitemaps of an index.
Sitemap parser, URL extractor. Read one public XML sitemap or sitemap index as structured URLs and source-reported dates. Supports gzip, substring filtering and pagination. Maximum 512 KiB expanded input and 1000 entries...
Breached password check: is this password in known data breaches, and how often? Send only the SHA-1 hash (never the password); just the first 5 characters reach Have I Been Pwned (k-anonymity). Up to 50 hashes per call.
A site's robots.txt rules per user agent, whether AI crawlers (GPTBot, ClaudeBot, Google-Extended, CCBot, PerplexityBot) are blocked, and the URLs listed in its sitemap. Use before crawling a site or for SEO audits.
Request an https URL and report whether it is reachable, its status, every redirect hop with timings, key and security headers (HSTS, CSP and others), and the TLS certificate with its issuer, the names it covers and the...
Convert one bounded fiat amount using the latest successfully fetched European Central Bank daily foreign-exchange reference table. Forest returns the ECB observation date and deterministic cross-rates through EUR. Fresh...
Encode text or a URL as a QR code: PNG (base64 and a data URL) or SVG, with the size and error correction level you choose.