Google SERP Preview Tool

A title that reads perfectly at 55 characters can still get cut off in Google’s results, because Google truncates by rendered pixel width, not by character count, and a title full of capital Ws eats far more of that width than one full of lowercase Is. Google SERP Preview Tool measures your title and description the same way a browser actually renders them, using the Canvas 2D API’s real text metrics instead of a fixed character limit.

Use it before publishing a page to see whether your title survives intact, or to compare two phrasings when both fit under 60 characters but one still gets clipped. Domain and path build the breadcrumb Google shows above the title, so the preview reads the way the actual result would.

Running Your First Preview

1. Type your site’s Domain and the page’s Path; together they build the breadcrumb line shown above the title in the mock result.
2. Write your Page Title and Meta Description. The counters above each field update with both a character count and an estimated pixel width as you type.
3. Watch for “This title will likely be truncated in Google’s search results” — it means the measured width crossed the budget, and the preview below already shows exactly where it gets cut.

Format Notes: How the Truncation Is Measured

The title is measured at 20px Arial and cut against a 580px budget; the description is measured at 14px Arial against 920px. When a cut falls mid-word, the tool backs up to the previous word boundary rather than showing a dangling fragment, so long as doing so doesn’t throw away more than 40% of the available width. Both fonts approximate what desktop Google actually renders, which is close enough to plan around even though it isn’t pixel- identical to every browser and OS combination.

Accuracy: What Google Might Do Differently

580px and 920px are widely cited approximations, not numbers Google has ever published, and the company has changed how it renders snippets more than once. Google also frequently ignores the meta description entirely and pulls a different passage from the page if it thinks that passage answers the query better, and it can rewrite a title outright for the same reason. Treat this preview as a strong, measured guide to how your title and description are likely to behave, not a contractual guarantee of what will render.