Fontjoy
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Identify fonts on a website with Fonts Ninja—a web font identifier and browser extension for inspecting live typography, then browsing specimen pages.

Details below the decision summary—features, workflow, and scope notes.
Reviewed on 21 August 2026 · Fonts Ninja — tools
Font identifier for live sites
Inspect pages you are allowed to analyze to answer “what font is this?” with family and weight hints.
Browser extension workflow
Install from the publisher’s tools/install paths for full identify-web-font flows outside a passive marketing page.
Specimen and catalog pages
Open /font/… URLs for named families with foundry-oriented metadata after you identify a face.
Competitor typography research
Document shipped marketing type before proposing a new system or redesign match.
License remains separate
A match does not grant usage rights—purchase or host per foundry terms.
Open Fonts Ninja tools
Start from fonts.ninja/tools for extension and product entry points.
Install the browser extension
Follow publisher install docs; review permissions before analyzing third-party pages.
Inspect the target page
Run identification only on sites you are allowed to study; capture family, weight, and stack notes.
Verify on a specimen
Open the matched family page or foundry listing, then confirm weights in Figma before handoff.
Product and brand designers
Match reference sites and document live type before redesign proposals.
Design system teams
Audit competitor stacks and record family names for comparison workshops.
Front-end developers
Confirm which webfonts shipped on a page when CSS is minified or obscured.