Alternatives · SEO Extensions

SEOMarkup Schema Inspector alternatives

As of Oct 24, 2026, the best SEOMarkup Schema Inspector alternative for most people is Sprout SEO (3.0 GPA), second in our ranking of SEO browser extensions. The best free one is Detailed SEO Extension (3.0 GPA).

SEOMarkup Schema Inspector compared with 5 alternatives: Google Rich Results Test, Schema Markup Validator, Detailed SEO Extension, Sprout SEO and Schema.dev.

SEOMarkup Schema Inspector is free to use. All 5 alternatives are free or have a free plan.

Listings checked up to Oct 23, 2026 · Where the facts come from

At a glance

Tool	Price	Free plan	Runs on
SEOMarkup Schema InspectorThis tool	Free	Free	Browser extension
Google Rich Results Test	Free	Free	Web
Schema Markup Validator	Free	Free	Web
Detailed SEO Extension	Free	Free	Browser extension
Sprout SEO	Free	Free	Browser extension
Schema.dev	Free	Free	Browser extension

Price against what you get

SEOMarkup Schema Inspector has no paid plan and scores 2.0 out of 4 on features, ease of use and platforms. None of the 2 alternatives on this chart both scores higher and starts lower.

Detailed SEO Extension and Sprout SEO score higher without starting lower.

Features, ease of use and platforms, averaged

What paid plans start at, a month (each step along is roughly double) →

The best score at each price
Has a free plan
No free plan

The full chart of SEO browser extensions, and the best at every price

How each one differs from SEOMarkup Schema Inspector

Google Rich Results Test
Free Google check of which rich results a page's structured data earns
- Google Rich Results Test is free.
- Google Rich Results Test also lists a web app.
- Google Rich Results Test lists no browser extension, which SEOMarkup Schema Inspector has.
- Google Rich Results Test also covers site audit.
Suits: Developers checking structured data before a page goes live
Google Rich Results Test vs SEOMarkup Schema Inspector Google Rich Results Test pricing and details
Schema Markup Validator
Free schema.org checker for any structured data on a page or snippet
- Schema Markup Validator is free.
- Schema Markup Validator also lists a web app.
- Schema Markup Validator lists no browser extension, which SEOMarkup Schema Inspector has.
- Schema Markup Validator also covers site audit.
Suits: Developers checking that schema.org markup is well formed
Schema Markup Validator vs SEOMarkup Schema Inspector Schema Markup Validator pricing and details
Detailed SEO Extension
Free Chrome and Firefox extension for one-click on-page SEO checks
- Detailed SEO Extension is free.
- Detailed SEO Extension also covers site audit.
Suits: SEOs checking a page's meta tags, headings and schema without reading the source
Detailed SEO Extension vs SEOMarkup Schema Inspector Detailed SEO Extension pricing and details
Sprout SEO
Free on-page SEO extension for Chrome, Firefox and Edge
- Sprout SEO is free.
- Sprout SEO also covers site audit and page speed.
Suits: SEOs running quick on-page checks without opening several tools
Sprout SEO vs SEOMarkup Schema Inspector Sprout SEO pricing and details
Schema.dev
Free point-and-click schema markup builder for Chrome
- Schema.dev is free.
- Schema.dev also covers no-code.
Suits: Marketers adding schema markup to a few pages without writing JSON-LD by hand
Schema.dev vs SEOMarkup Schema Inspector Schema.dev pricing and details

Limits worth knowing in SEOMarkup Schema Inspector

Microdata and RDFa are only detected and labelled, not displayed; full parsing covers JSON-LD.
Validation happens by opening Google's Rich Results Test or validator.schema.org, not inside the extension.
It is listed for Chrome, and the vendor says it works in other Chromium-based browsers; there is no Firefox or Safari version named.
The Chrome Web Store notes the developer has not identified itself as a trader, so EU consumer rights do not apply.

SEOMarkup Schema Inspector pricing and details

Common questions

What are the alternatives to SEOMarkup Schema Inspector?

The alternatives to SEOMarkup Schema Inspector in this directory are Google Rich Results Test, Schema Markup Validator, Detailed SEO Extension, Sprout SEO and Schema.dev. Each one has a side-by-side comparison with SEOMarkup Schema Inspector.

Is there a free alternative to SEOMarkup Schema Inspector?

Yes. Google Rich Results Test, Schema Markup Validator, Detailed SEO Extension, Sprout SEO and Schema.dev are free to use.

When were these prices checked?

Every listing on this page was checked on Oct 23, 2026, against the pages it cites. Vendors change prices without notice, so confirm on their site before you buy.

How this page was made

Where any alternative here is in our top three SEO browser extensions, the best for most people is the highest placed of them: the top three weigh who each tool suits as well as its grades. Otherwise the page names the highest-graded alternative in the same category as SEOMarkup Schema Inspector, the one its listing names first winning a tie. The best free one is the highest-graded alternative that is free or has a free plan (a free trial does not count), with its catch quoted from its listing where the listing states a short one. The GPA is the average of our five grades for each tool.
The alternatives are the tools SEOMarkup Schema Inspector’s listing names as its closest substitutes, and the tools whose listings name SEOMarkup Schema Inspector.
Prices, plans and platforms come from each tool’s listing, which names the pages they were read from.
The differences are worked out from those listings.
The chart sets each tool’s starting price against our own grades for features, ease of use and platforms.

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