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Best alternatives to Light Meter (RGB & Luminance) (2026)

10 Chrome extensions that do a similar job to Light Meter (RGB & Luminance), closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.

Light Meter (RGB & Luminance): reviews, users and permissionsBest Tools extensions

Light Meter (RGB & Luminance) today

≈3K users5.0★ from 1 ratingUpdated 13 months ago2 permissions

Light Meter (RGB & Luminance) alternatives, compared

  1. 1

    Sound Meter (Noise & Decibel)

    Measure the surrounding sound (dB) and noise with your computer's microphone!

    ≈50K users3.0★ from 22 ratingsUpdated 13 months ago2 permissions
    • About 17× more users than Light Meter (RGB & Luminance)
    Sound Meter (Noise & Decibel) alternativesCompare side by side
  2. 2

    Sound Level Meter

    Use your computer's microphone to measure the ambient noise and sound (dB)!

    ≈1K users5.0★ from 28 ratingsNot updated for 4+ years2 permissions
    • About 3.0× fewer users than Light Meter (RGB & Luminance)
    • Updated less recently
    • Listed under Workflow & Planning
    Sound Level Meter alternativesCompare side by side
  3. 3

    Metric Spy Page Ruler

    Quickly Measure Elements on Web Pages with a Ruler Tool, Free Selection, and Convenient Keyboard Shortcuts.

    ≈20K users5.0★ from 4 ratingsUpdated 21 months ago4 permissions
    • About 6.7× more users than Light Meter (RGB & Luminance)
    • Updated less recently
    • Asks for more permissions (4 vs 2)
    • Listed under Developer Tools
    Metric Spy Page Ruler alternativesCompare side by side
  4. 4

    Ruler Measurement

    Make your measurement easy with Chrullex (CH-rome RUL-er EX-tension)

    ≈20K users3.4★ from 43 ratingsUpdated 18 months ago3 permissions
    • About 6.7× more users than Light Meter (RGB & Luminance)
    • Updated less recently
    • Asks for more permissions (3 vs 2)
    • Listed under Developer Tools
    Ruler Measurement alternativesCompare side by side
  5. 5

    Page Ruler

    Measure page elements size in pixel with an easy-to-use ruler.

    ≈500K users3.9★ from 103 ratingsUpdated 4 months ago3 permissions
    • About 167× more users than Light Meter (RGB & Luminance)
    • Updated more recently
    • Asks for more permissions (3 vs 2)
    Page Ruler alternativesCompare side by side
  6. 6

    Grid Ruler

    Create grids and measure their distance easily.

    ≈100K users3.9★ from 343 ratingsNot updated for 2+ years2 permissions
    • About 33× more users than Light Meter (RGB & Luminance)
    • Updated less recently
    • Listed under Developer Tools
    Grid Ruler alternativesCompare side by side
  7. 7

    Measuremate — Pixel Ruler for Web Design

    A pixel ruler for any live web page. Measure distances, inspect the box model, drop guides — DevTools stays closed.

    ≈30K users4.3★ from 53 ratingsUpdated 4 months ago3 permissions
    • About 10× more users than Light Meter (RGB & Luminance)
    • Updated more recently
    • Asks for more permissions (3 vs 2)
    • Listed under Developer Tools
    Measuremate alternativesCompare side by side
  8. 8

    Speed Test - Test the Internet Speed

    Test the internet connection speed and measure the uploading and downloading capacity

    ≈9K users4.0★ from 17 ratingsNot updated for 3+ years2 permissions
    • About 3.0× more users than Light Meter (RGB & Luminance)
    • Updated less recently
    Speed Test alternativesCompare side by side
  9. 9

    Scope Master Page Ruler

    Accurate Pixel Measurement Tool for Web Elements and Pages - Free & Efficient!

    ≈10K users5.0★ from 2 ratingsUpdated 21 months ago4 permissions
    • About 3.3× more users than Light Meter (RGB & Luminance)
    • Updated less recently
    • Asks for more permissions (4 vs 2)
    • Listed under Developer Tools
    Scope Master Page Ruler alternativesCompare side by side
  10. 10

    PixGrid Ruler

    Your Pixel-Perfect Ruler for Measuring Web Elements

    ≈30K users4.2★ from 17 ratingsUpdated 15 months ago4 permissions
    • About 10× more users than Light Meter (RGB & Luminance)
    • Asks for more permissions (4 vs 2)
    PixGrid Ruler alternativesCompare side by side

Light Meter (RGB & Luminance) alternatives: questions

What is the best alternative to Light Meter (RGB & Luminance)?

By users, the most popular alternative is Page Ruler with ≈500K users and a 3.9-star rating. The closest match by what it does is Sound Meter (Noise & Decibel).

Which Light Meter (RGB & Luminance) alternative has the best rating?

Measuremate — Pixel Ruler for Web Design has the highest rating of these alternatives with 50+ ratings: 4.3 out of 5 from 53 ratings.

How many alternatives to Light Meter (RGB & Luminance) are there?

We list 10 close alternatives to Light Meter (RGB & Luminance) 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.