Web and SEO
URL parsing, header inspection and SEO metadata tools.
URL Parser
Break a URL into protocol, host, path and query parameters — then edit and rebuild it.
UTM Builder
Build campaign-tagged URLs and extract or strip UTM parameters from existing ones.
Cron Expression Builder
Build 5-part cron schedules visually, convert cron to plain English, and view next executions.
Markdown Live Preview & Exporter
Live GitHub Flavored Markdown editor with HTML preview, word count, and file downloads.
Robots.txt & AI Crawler Config Generator
Generate custom robots.txt directives to block AI training crawlers (GPTBot, ClaudeBot, Bytespider) and allow search engines.
cURL Command Builder & Code Exporter
Visually build cURL requests and export code for JavaScript fetch(), Axios, Python requests, Go, and Node.js.
llms.txt Validator & Generator
Validate an llms.txt file against the llmstxt.org spec, or generate one from a form.
AGENTS.md Validator & Generator
Lint an AGENTS.md file against Claude Code's own best-practice guidance, or generate one from a form.