Free SEO Tools — No Fluff, No Signup
Built by SEO experts for content writers, marketers, developers, and business owners who care about getting it right.
Google SERP Simulator
Preview exactly how your title tag and meta description look in Google search — real-time, pixel-accurate, with favicon and the current 2026 snippet design.
Keyword Density Checker
Analyze the frequency and density of keywords on any webpage to detect keyword stuffing and find LSI phrases.
Robots.txt Validator
Validate your robots.txt file and verify that critical pages are not accidentally blocked from search engines.
Bulk URL HTTP Status Code
Check HTTP status codes and response headers for multiple URLs at once — spot redirects, errors, and chains instantly.
Title, Meta Description, H1 Checker
Extract and analyze critical on-page SEO elements — Title tags, Meta Descriptions, and H1s — for any URL.
XML Sitemap Checker
Validate XML sitemaps and extract a full list of URLs. Supports sitemap index files and detects errors, empty sitemaps, and domain mismatches.
The right tool for the right job — whoever you are
Whether you're optimising your first page or auditing hundreds, SERP.tools gives you accurate answers without the friction.
SEO Specialist
Preview and compare snippet variants before pushing live — so your title and meta are optimised before the page is indexed.
Content Writer
Check character and pixel limits as you draft — so your headline won't be truncated in search results before anyone reads it.
Web Developer
QA meta tags, HTTP responses, and crawl rules across staging environments — before a broken redirect or blocked page reaches production.
Marketing Manager
Review and approve page snippets before content goes live — compare headline variations side by side with pixel-accurate previews.
Why SERP.tools?
Precision tools. Zero friction.
Built for accuracy
Every result is precise. SERP.tools calculates pixel widths using the same Arial font sizing Google uses — not character counts. HTTP status checks return real server responses, not cached estimates. You see what search engines see, not an approximation.
Free to use, always
The core tools on SERP.tools are free and will stay that way. No trial period, no usage cap that quietly resets, no paywall after five checks. Open a tool and start. More tools and higher limits will be available for registered users — but the fundamentals are free, permanently.
Crafted to do less, better
SERP.tools is not a directory of utilities. Each tool is built by practitioners who use it themselves, focused on one specific problem, and designed to give you the answer without making you wade through noise. Fewer tools. Sharper results.