HTML Image and Metadata Checker
Static checks on pasted HTML.
Run toolWeb Performance Workspace
Paste HTML, robots.txt, headers, or icons and check them offline in the browser.
HTML
Canonical Checker
Find and validate canonical tags in pasted HTML.
Run toolHTML Link Checker
Extract links without fetching URLs.
Run toolPreview
Open Graph Preview
Preview social cards from form fields.
Run toolCrawl
Robots.txt and Sitemap Validator
Validate pasted robots.txt and sitemap XML.
Run toolHeaders
HTTP Header Explainer
Explain common response headers from a paste.
Run toolIcons
Favicon and Icon Pack Generator
Generate PNG icons and manifest snippets locally.
Run toolSession
Web Performance Session Hub
Jump between web tools and export a local report.
Run tool