Keyword Surfer shows monthly search volumes directly in Google search results — no account, no limits, completely free. Here's how accurate the data is and how it compares to paid tools.
Keyword Surfer is a free Chrome extension by Surfer SEO that embeds keyword data directly into Google's search results page. Every time you search on Google, you see the monthly search volume for your query — plus a sidebar of related keyword ideas with their own volumes. No tab switching, no copy-pasting into separate tools.
It also shows estimated organic traffic for each URL in the search results, giving you a quick read on how much traffic the top-ranking pages are actually getting from this and related keywords.
| Feature | Available | Details |
|---|---|---|
| Search volume overlay | ✓ Free | Monthly volume shown next to your Google search query |
| CPC estimate | ✓ Free | Cost-per-click for the keyword shown in search bar |
| Related keywords sidebar | ✓ Free | 10–15 related terms with search volumes |
| Estimated URL traffic | ✓ Free | Monthly traffic estimate for each result on the SERP |
| Word count overlay | ✓ Free | Estimated word count for each ranking page |
| Country selector | ✓ Free | Switch data between 70+ countries |
| Clipboard copy | ✓ Free | Copy related keywords to clipboard in one click |
Keyword Surfer pulls data from Surfer SEO's proprietary database, which aggregates clickstream data and search API signals. In our testing, search volume estimates are typically within 15–30% of Google Search Console actuals for established keywords with consistent search patterns.
Accuracy drops for very new keywords, hyper-local terms, and long-tail queries with fewer than 100 monthly searches. For content strategy decisions (which topic is worth targeting?), the data is accurate enough. For PPC budget planning or precision keyword modelling, use Google Keyword Planner alongside it.
Content creators and bloggers get the most value — Keyword Surfer shows search demand for any topic you're considering writing about, right as you research. Freelance writers can check keyword volumes while browsing without opening a separate SEO tool. E-commerce site owners doing product research on Google benefit from the related keyword ideas.
It is not a replacement for a full keyword research tool like Ahrefs Keywords Explorer or Google Keyword Planner for in-depth research, but it removes the friction of basic volume checks during everyday browsing.