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Best alternatives to Schema Builder for Structured Data (2026)

10 Chrome extensions that do a similar job to Schema Builder for Structured Data, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.

Schema Builder for Structured Data: reviews, users and permissionsBest Developer Tools extensions

Schema Builder for Structured Data today

≈40K users3.6★ from 31 ratingsUpdated 21 months ago3 permissions

Schema Builder for Structured Data alternatives, compared

  1. 1

    SEOMarkup Structured Data Schema Inspector

    View and analyze JSON-LD structured data on any webpage. Built for SEO professionals, web developers, and data analysts.

    ≈4K users5.0★ from 9 ratingsUpdated 6 months ago2 permissions
    • About 10× fewer users than Schema Builder for Structured Data
    • Updated more recently
    • Asks for fewer permissions (2 vs 3)
    • Listed under Tools
    SEOMarkup Structured Data Schema Inspector alternativesCompare side by side
  2. 2

    JSON-LD Tester – Structured Data & Agent Tools Inspector

    Inspect and test JSON-LD, Schema.org data and agent tools on any website.

    ≈9K users4.8★ from 18 ratingsUpdated 3 weeks ago4 permissions
    • About 4.4× fewer users than Schema Builder for Structured Data
    • Updated more recently
    • Asks for more permissions (4 vs 3)
    JSON-LD Tester alternativesCompare side by side
  3. 3

    OpenLink Structured Data Sniffer

    Reveals structured metadata (Microdata, RDFa, JSON-LD, Turtle, etc.) embedded within HTML documents.

    ≈7K users4.6★ from 18 ratingsUpdated 15 months ago6 permissions
    • About 5.7× fewer users than Schema Builder for Structured Data
    • Updated more recently
    • Asks for more permissions (6 vs 3)
    OpenLink Structured Data Sniffer alternativesCompare side by side
  4. 4

    Schema Markup Validator & Generator

    Instantly validate, visualize, and generate Schema.org structured data for any webpage

    ≈1K users4.7★ from 84 ratingsUpdated 9 months ago8 permissions
    • About 40× fewer users than Schema Builder for Structured Data
    • Rated 1.1 stars higher
    • Updated more recently
    • Asks for more permissions (8 vs 3)
    Schema Markup Validator & Generator alternativesCompare side by side
  5. 5

    Schema Markup Extractor

    Extracts, validates, and recommends schema.org structured data for SEO

    ≈1K users5.0★ from 3 ratingsUpdated 3 months ago4 permissions
    • About 40× fewer users than Schema Builder for Structured Data
    • Updated more recently
    • Asks for more permissions (4 vs 3)
    • Listed under Tools
    Schema Markup Extractor alternativesCompare side by side
  6. 6

    Fast Schema Markup Checker - By Vryse SEO

    Analyze and check on-page schemas and structured data of a webpage. Ideal for developers and SEOs

    ≈10K users4.1★ from 21 ratingsUpdated 5 weeks ago6 permissions
    • About 4.0× fewer users than Schema Builder for Structured Data
    • Rated 0.5 stars higher
    • Updated more recently
    • Asks for more permissions (6 vs 3)
    • Listed under Tools
    Fast Schema Markup Checker alternativesCompare side by side
  7. 7

    SEO Schema Visualizer

    Visualize JSON-LD schema markup at the click of a button

    ≈8K users5.0★ from 18 ratingsUpdated 9 months ago3 permissions
    • About 5.0× fewer users than Schema Builder for Structured Data
    • Updated more recently
    • Listed under Tools
    SEO Schema Visualizer alternativesCompare side by side
  8. 8

    Rich Results - Structured Data Test Plugin

    Extension checks the current URL in browser with Google's Rich Results Test Tool

    ≈5K users3.8★ from 13 ratingsUpdated 9 months ago2 permissions
    • About 8.0× fewer users than Schema Builder for Structured Data
    • Updated more recently
    • Asks for fewer permissions (2 vs 3)
    • Listed under Tools
    Rich Results alternativesCompare side by side
  9. 9

    Detailed SEO Extension

    Get SEO insights at the click of a button to any website you're currently on. Built by full-time SEO's for daily analysis.

    ≈600K users4.8★ from 234 ratingsUpdated 5 months ago5 permissions
    • About 15× more users than Schema Builder for Structured Data
    • Rated 1.2 stars higher
    • Updated more recently
    • Asks for more permissions (5 vs 3)
    Detailed SEO Extension alternativesCompare side by side
  10. 10

    SEO META in 1 CLICK

    Displays all meta data and main SEO information for the best SEO

    ≈1M users4.9★ from 1.3K ratingsNot updated for 2+ years2 permissions
    • About 25× more users than Schema Builder for Structured Data
    • Rated 1.3 stars higher
    • Updated less recently
    • Asks for fewer permissions (2 vs 3)
    SEO META in 1 CLICK alternativesCompare side by side

Schema Builder for Structured Data alternatives: questions

What is the best alternative to Schema Builder for Structured Data?

By users, the most popular alternative is SEO META in 1 CLICK with ≈1M users and a 4.9-star rating. The closest match by what it does is SEOMarkup Structured Data Schema Inspector.

Which Schema Builder for Structured Data alternative has the best rating?

SEO META in 1 CLICK has the highest rating of these alternatives with 50+ ratings: 4.9 out of 5 from 1.3K ratings.

Is there a Schema Builder for Structured Data alternative that asks for fewer permissions?

SEOMarkup Structured Data Schema Inspector asks for 2 permissions, against 3 for Schema Builder for Structured Data.

How many alternatives to Schema Builder for Structured Data are there?

We list 10 close alternatives to Schema Builder for Structured Data on the Chrome Web Store, picked by what they do and ranked by how close they are.

Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.