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Best alternatives to CMP Validator (2026)

9 Chrome extensions that do a similar job to CMP Validator, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.

CMP Validator: reviews, users and permissionsBest Developer Tools extensions

CMP Validator today

≈6K users3.3★ from 10 ratingsUpdated 7 days ago2 permissions

CMP Validator alternatives, compared

  1. 1

    AMP Validator

    Automatically checks each page for AMP validation.

    ≈50K users4.0★ from 94 ratingsNot updated for 2+ years4 permissions
    • About 8.3× more users than CMP Validator
    • Updated less recently
    • Asks for more permissions (4 vs 2)
    AMP Validator alternativesCompare side by side
  2. 2

    XML Validator

    Quickly validate your XML and show the problem if there is any.

    ≈3K users4.3★ from 3 ratingsUpdated 3 months ago2 permissions
    • About 2.0× fewer users than CMP Validator
    • Updated less recently
    Compare side by side
  3. 3

    HTML Validator

    Add HTML Validator in Developer Tools

    ≈30K users3.5★ from 37 ratingsNot updated for 3+ years6 permissions
    • About 5.0× more users than CMP Validator
    • Updated less recently
    • Asks for more permissions (6 vs 2)
    HTML Validator alternativesCompare side by side
  4. 4

    HTML Validator

    Employ an HTML Validator online to swiftly validate HTML code. Leverage our syntax check verifier as an effective HTML error checker

    ≈2K users3.6★ from 7 ratingsNot updated for 2+ years6 permissions
    • About 3.0× fewer users than CMP Validator
    • Updated less recently
    • Asks for more permissions (6 vs 2)
    Compare side by side
  5. 5

    Total Validator

    Check websites are accessible, use valid HTML and CSS, and have no broken links or spelling mistakes. Requires separate application.

    ≈3K users2.9★ from 7 ratingsUpdated 21 months ago6 permissions
    • About 2.0× fewer users than CMP Validator
    • Updated less recently
    • Asks for more permissions (6 vs 2)
    Total Validator alternativesCompare side by side
  6. 6

    zkPass Schema Validator

    The customer is validating the schema structure

    ≈5K users4.0★ from 3 ratingsNot updated for 2+ years5 permissions
    • A similar number of users to CMP Validator
    • Updated less recently
    • Asks for more permissions (5 vs 2)
    zkPass Schema Validator alternativesCompare side by side
  7. 7

    Bloomreach Pixel Validator

    Enables you to effortlessly track and validate Bloomreach pixel requests

    ≈2K users4.0★ from 1 ratingUpdated 21 months ago5 permissions
    • About 3.0× fewer users than CMP Validator
    • Updated less recently
    • Asks for more permissions (5 vs 2)
    Bloomreach Pixel Validator alternativesCompare side by side
  8. 8

    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 6.0× fewer users than CMP Validator
    • Updated less recently
    • Asks for more permissions (8 vs 2)
    Schema Markup Validator & Generator alternativesCompare side by side
  9. 9

    Commerce Cloud Recommendation Validator

    This is a tool to help with preliminary validation of Salesforce Commerce Cloud Einstein integration

    ≈6K users4.9★ from 8 ratingsNot updated for 2+ years5 permissions
    • A similar number of users to CMP Validator
    • Updated less recently
    • Asks for more permissions (5 vs 2)
    Commerce Cloud Recommendation Validator alternativesCompare side by side

CMP Validator alternatives: questions

What is the best alternative to CMP Validator?

By users, the most popular alternative is AMP Validator with ≈50K users and a 4.0-star rating. The closest match by what it does is AMP Validator.

Which CMP Validator alternative has the best rating?

Schema Markup Validator & Generator has the highest rating of these alternatives with 50+ ratings: 4.7 out of 5 from 84 ratings.

How many alternatives to CMP Validator are there?

We list 9 close alternatives to CMP Validator 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.