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Meta Description Checker

Check description length in pixels and spot the ones Google will cut.

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Quick Tool Overview

The Meta Description Checker measures descriptions in pixels against the desktop and mobile cut-offs and previews how each reads once truncated. In bulk mode it also finds the duplicates and the empties, which is what a site-wide description audit usually turns up before anything else.

What it does
Measures meta descriptions and finds duplicates and truncation
You give it
One description, or a list of them, one per line
You get back
Pixel and character measurements with a truncated preview
Best for
Writing descriptions and auditing an export of every page
SEO Tools Free, unlimited use No sign-up Runs in your browser

About the Meta Description Checker

Paste one description or a whole list and each is measured in pixels against the desktop and mobile cut-off, with a preview of how it will read once truncated. Duplicates across the list are flagged, because duplicate descriptions are the most common finding in any real site audit.

It is worth being clear about what a meta description does. It is not a ranking factor and has not been one for years, and Google rewrites descriptions for the majority of queries, usually lifting a passage from the page that matches the search more closely. What a description controls is the version shown when Google agrees with your framing, which is most often on brand and navigational searches — exactly the queries where the click matters most. Writing one that reads as a reason to click, rather than as a summary, is the whole job.

Key features of the Meta Description Checker

Pixel-accurate truncation

Measured at roughly 920 pixels on desktop and less on mobile, in the font Google uses.

Duplicate finder

The same description on many pages is the most common audit finding, so it is flagged first.

Front-loading check

The preview shows what survives the cut, which is the half that has to carry the reason to click.

Bulk list mode

Paste hundreds of descriptions at once and sort by what is at risk.

Honest framing

The page is clear that descriptions are not a ranking factor, so you spend the effort where it pays.

How to use the Meta Description Checker

  1. 1

    Paste your descriptions

    One per line, or one on its own. Bulk mode is how you audit a whole site export.

  2. 2

    Check the widths

    Desktop cuts at roughly 920 pixels, mobile nearer 1180 because it wraps further. Both are shown.

  3. 3

    Look for duplicates

    Identical descriptions across pages are flagged, since they are the usual audit finding.

  4. 4

    Rewrite the weak ones

    Lead with the benefit, put the call to action early, and let the tail be the part that gets cut.

Frequently asked questions

Roughly 140 to 160 characters, or about 920 pixels on desktop. Mobile allows a little more because it wraps over more lines, but desktop is the tighter constraint, so write to that and the important half still comes first.

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