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Best alternatives to Spectrum (2026)

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

Spectrum today

≈10K users3.8★ from 56 ratingsUpdated 23 months ago2 permissions

Spectrum alternatives, compared

  1. 1

    BrowserStack

    Instantly test your webpage on any desktop or mobile browser.

    ≈100K users2.7★ from 100 ratingsUpdated 7 days ago4 permissions
    • About 10× more users than Spectrum
    • Rated 1.1 stars lower
    • Updated more recently
    • Asks for more permissions (4 vs 2)
  2. 2

    SpeedVitals

    Perform Web Vitals & TTFB Test on Multiple Locations & Devices

    ≈1K users4.6★ from 11 ratingsNot updated for 3+ years4 permissions
    • About 10× fewer users than Spectrum
    • Updated less recently
    • Asks for more permissions (4 vs 2)
  3. 3

    XPath Selector

    HTML XPath Selector: instantly test and debug XPath queries in your browser. Validate your XPath expressions easily.

    ≈5K users5.0★ from 19 ratingsUpdated 5 months ago5 permissions
    • About 2.0× fewer users than Spectrum
    • Updated more recently
    • Asks for more permissions (5 vs 2)
  4. 4

    Selenium Object Finder

    Find Selenium Objects - id, name and custom attributes highlighted in different colors for easier test automation

    ≈6K users3.1★ from 21 ratingsNot updated for 2+ years2 permissions
    • About 1.7× fewer users than Spectrum
    • Rated 0.6 stars lower
    • Updated less recently
  5. 5

    SmartBear Test Extension

    Chrome extension by SmartBear for functional testing of web pages.

    ≈10K users2.4★ from 7 ratingsUpdated 7 days ago5 permissions
    • A similar number of users to Spectrum
    • Updated more recently
    • Asks for more permissions (5 vs 2)
  6. 6

    Sirenia Web Automation Driver

    Automates web-pages with the Sirenia Driver Platform (Manatee) which must be installed separately

    ≈40K users4.0★ from 2 ratingsUpdated 6 months ago8 permissions
    • About 4.0× more users than Spectrum
    • Updated more recently
    • Asks for more permissions (8 vs 2)
  7. 7

    Silktide Accessibility Checker

    Test your website against over 200 website accessibility checks with Silktide’s easy to understand accessibility checker.

    ≈50K users4.5★ from 38 ratingsUpdated 8 months ago7 permissions
    • About 5.0× more users than Spectrum
    • Rated 0.8 stars higher
    • Updated more recently
    • Asks for more permissions (7 vs 2)
    • Listed under Accessibility
  8. 8

    TestCase Studio - Selenium IDE

    TestCase Studio record the user actions performed on a web application in English Sentences. Best alternative for Selenium IDE

    ≈80K users4.6★ from 207 ratingsUpdated 8 days ago9 permissions
    • About 8.0× more users than Spectrum
    • Rated 0.8 stars higher
    • Updated more recently
    • Asks for more permissions (9 vs 2)
  9. 9

    Marker.io: Visual bug reporting for websites

    Report visual bugs directly into your favorite tools, without leaving your website or web app

    ≈30K users4.2★ from 171 ratingsUpdated 6 months ago8 permissions
    • About 3.0× more users than Spectrum
    • Rated 0.5 stars higher
    • Updated more recently
    • Asks for more permissions (8 vs 2)
  10. 10

    CSSViewer

    Hover any element on a page to instantly see its CSS properties.

    ≈8K users4.2★ from 11 ratingsUpdated 8 days ago2 permissions
    • A similar number of users to Spectrum
    • Updated more recently

Spectrum alternatives: questions

What is the best alternative to Spectrum?

By users, the most popular alternative is BrowserStack with ≈100K users and a 2.7-star rating. The closest match by what it does is BrowserStack.

Which Spectrum alternative has the best rating?

TestCase Studio - Selenium IDE has the highest rating of these alternatives with 50+ ratings: 4.6 out of 5 from 207 ratings.

How many alternatives to Spectrum are there?

We list 10 close alternatives to Spectrum 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.