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Google SERP Preview & SEO Checker

Preview how your page looks in Google search. 12-dimension SEO score with pixel-accurate truncation.

100% LOCALPixel-accurate truncation12-dimension SEO scoreDesktop & mobile previewTitle/description analysis

Page Settings

Title Tag

66 chars462px / 580px desktop462px / 485px mobile

URL

Meta Description

174 chars1218px / 920px desktop

Google Preview

freetoolhub.org

/json-formatter/

Free JSON Formatter & Validator — Format JSON Online | FreeToolHub

Sep 6, 2026 — Format, validate, and minify JSON instantly. 100% browser-based — your data never leaves your device. Free online JSON formatter w…

Preview is approximate. Google may display differently based on query and user.

SEO Score — 12 Dimensions

78/ 100

✓

Title Width10/10

462px — fits Google's display

✓

Title Word Count8/8

11 words

⚠

Year in Title0/5

No year — adding 2026 can boost CTR

⚠

Description Width5/10

174 chars — will be truncated

✓

CTA in Description7/7

Contains action word — encourages clicks

✓

HTTPS5/5

Secure protocol

✓

URL Structure8/8

Clean URL, no query params

✓

Keyword Consistency8/8

6/5 title keywords in description

⚠

Number in Title0/5

No number — lists/stats in titles get more clicks

✓

Power Word in Title5/5

Contains a power word — emotional trigger

⚠

Description Chars3/7

174 chars — exceeds 160

✓

Keyword in URL7/7

Path contains keywords: json-formatter

Data Source & Legal Disclaimer

Effective: 2026

Sources: Browser-side processing (no external API)

This tool runs 100% in your browser. All computation happens locally on your device — your input is never uploaded to any server. Results are for reference only.

See all data sources & update policy →

Anatomy of a Google search result — illustrated

A Google result is made of three parts: a favicon + hostname row, a blue title, and a URL breadcrumb plus snippet. Google truncates titles at roughly 580px on desktop (485px on mobile) and descriptions at 920px (755px on mobile). Because characters have different widths, this tool measures real pixel width by rendering the text on a hidden canvas in Arial — not by counting characters — then binary-searches for the longest prefix that still fits and appends an ellipsis. The result is an accurate preview of how your page will actually look, plus a 12-dimension score covering title width, word count, freshness, HTTPS, URL structure, keyword consistency, and call-to-action phrasing.

Parts of a search result and where truncation bites

Character counts mislead: wide glyphs hit the pixel limit sooner. The tool measures rendered width, exactly as Google does.

Worked example

Dana publishes a vegan-recipes blog and wants her new post to rank and earn clicks. She previews the page with this tool before publishing.

Title:Title "10 Easy Vegan Recipes — 20-Minute Dinners | FreeToolHub" measures about 570px at 20px Arial — just inside the 580px desktop limit, so Google shows it without truncation.
URL:A clean path /vegan-recipes/ with no query parameters scores full marks on the URL-structure check and keeps the keyword visible in the breadcrumb.
Description:A 148-character description ending in "Get the free meal plan" passes both the 120–160 character check and the CTA-in-description check.
Mobile:Switching to mobile view re-measures the title against the 485px limit — it still fits — and the 12-dimension score lands at 84/100.

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About this tool

What is this tool?

Preview how your page title and description appear in Google search. Pixel-accurate truncation for mobile and desktop. Free SERP preview, no signup.

Pixel-accurate truncation12-dimension SEO scoreDesktop & mobile previewTitle/description analysis

What Is the SERP Preview Tool?

A Google search engine results page (SERP) preview tool that shows exactly how your webpage will appear in Google search. Unlike other tools that count characters, this tool uses canvas-based pixel measurement to match Google's actual truncation behavior — which varies by font width, character composition, and device type.

How Does the SEO Scoring Work?

The tool evaluates 12 dimensions: title pixel width (desktop and mobile), title word count, year inclusion for freshness, description length (both pixels and characters), call-to-action presence in description, HTTPS protocol, URL structure (clean vs query params), keyword consistency between title and description, numeric content in title, power word usage, and keyword presence in URL path. Each dimension is scored with actionable suggestions for improvement.

Why Pixel-Accurate Truncation Matters

Google truncates titles at approximately 580 pixels on desktop and 485 pixels on mobile — not at a fixed character count. A title with 60 wide characters (like "W" or "M") may be truncated while 70 narrow characters (like "i" or "l") may display fully. This tool uses the same Arial font and canvas measurement that Google uses, giving you the most accurate preview possible.

Frequently Asked Questions

How accurate is this SERP preview?

The preview uses canvas-based pixel measurement with Arial font, which closely matches Google's actual rendering. However, Google may still modify your title or description based on the search query, user location, or other factors. This tool shows the maximum displayable length — your actual result may vary.

What is a good SEO score?

A score of 80+ means your page is well-optimized for SERP display. Scores of 50-79 indicate room for improvement. Below 50 means significant issues that could hurt click-through rate. Focus on the dimensions marked with warnings for the biggest improvements.

Should I include the year in my title?

Including the current year (e.g., "Best JSON Formatter 2026") can increase click-through rate by 5-15% for time-sensitive content like guides, reviews, and comparisons. For evergreen content, it's less important but still signals freshness to both users and search engines.

Why is my title being truncated?

Google truncates titles that exceed approximately 580 pixels on desktop or 485 pixels on mobile. This depends on character width — wide characters (W, M, O) take more space than narrow ones (i, l, t). To avoid truncation, keep titles concise (50-60 characters as a guideline) and put the most important keywords first.

How many pixels is a Google SERP title?

Google truncates titles at approximately 580 pixels on desktop and 920 pixels on mobile. This translates to roughly 60 characters on desktop and 78 characters on mobile, but pixel width varies by character — "W" is wider than "i". This tool measures pixel width precisely to show where your title gets cut off.

How long should a meta description be for Google?

Google typically shows 120-160 characters of meta description on desktop and up to 120 on mobile. However, Google may rewrite or ignore your description. This SERP preview tool shows exactly how your title and description appear in real Google search results on both mobile and desktop.

Why is my Google search title different from my title tag?

Google may rewrite your title tag if it is too long, too short, stuffed with keywords, or does not match the search query intent. Google often uses the H1 heading or anchor text from internal links instead. Use this SERP preview tool to check if your title fits pixel limits and reads naturally.

Other names for this tool

This tool is also known by these tasks — each link opens the same tool with a focused guide:

Google search result preview — Google SERP Preview — See Your Listing Before Google Does