SwiftSchemaGenerate
Free schema extraction tool

Extract the page signals schema needs

Inspect one public URL for titles, descriptions, canonical data, H1s, Open Graph context, and existing JSON-LD before generating new markup.

Inspect a URLCompare schema types
Scope
One public HTML page
Signals
SEO, entity, and JSON-LD context
Limits
Private and localhost URLs blocked

SwiftSchema fetches one public HTML page. Private network and localhost URLs remain blocked.

Next: inspect the URL, choose the best recommendation, then generate markup using only facts found on the page.