Keyword research, backlink analysis, site audit, rank tracking, content optimization – all in your browser. 100% free, client-side processing – no uploads, no data collection.
Estimate load time, page size, and HTTP status – identify performance bottlenecks.
Test links for 404 errors and other HTTP issues – protect your crawl budget.
Validate syntax, list allow/disallow rules, extract sitemaps.
Create custom robots.txt with multiple user‑agents and sitemap.
Extract and validate canonical tags – detect missing or cross‑domain canonicals.
Generate site: search links to quickly see which pages are indexed.
Audit dofollow/nofollow, internal/external link ratios.
Check if your content is AI‑friendly. Get a GEO Score (0-100)
Discover hundreds of related keywords and content ideas from a single seed.
Find LSI and semantic keyword variations using Datamuse API.
Estimate competition level based on length, commercial intent, and your DA.
Generate question‑based keywords to optimize for voice search and featured snippets.
Test title and description length, see realistic Google preview.
Generate optimized title & description, Open Graph and Twitter Card tags.
Check H1-H6 structure, missing H1, multiple H1s, skipped levels.
Extract outbound links from HTML – see which domains you link to.
Estimate DA based on domain characteristics and optional backlink count.
Detect on‑page spam signals like keyword stuffing, hidden text, and excessive links.
Measure how much link equity may be lost due to nofollow/external links.
Detect repeated phrases and measure content uniqueness.
Spelling, punctuation, and style suggestions via LanguageTool API.
Flesch Reading Ease, Grade Level, Fog, SMOG, ARI scores.
Analyze word frequency and density after removing stop words.
Find images missing alt attributes – improve accessibility and image SEO.
Validate robots.txt syntax and directives.
Simulate keyword position in Google (demo).
Bing ranking estimate (demo).
Yahoo position helper (demo).
Detect featured snippets, local packs (demo).
Unlock the full potential of your website with our comprehensive suite of free, client-side SEO tools. From keyword research to backlink analysis, site audits to rank tracking – everything is 100% free, private, and runs in your browser.
Unlike other SEO platforms that require expensive subscriptions and upload your data to their servers, we process everything locally. Your keywords, URLs, and content never leave your device.
Q: Is Free SEO Tools really free?
A: Yes. No credit card, no registration, no daily limits. Forever free.
Q: How accurate are the keyword difficulty and backlink estimates?
A: They are heuristic estimates based on linguistic patterns and domain characteristics. For exact data, cross‑reference with Google Search Console or professional tools.
Q: Can I use these tools for my clients?
A: Absolutely. All tools are 100% client‑side, so you can analyse client sites without exposing their data.
Q: Do you store any of my data?
A: No. We never store, log, or transmit any data you enter. Everything stays in your browser tab.
Free SEO Tools is built for webmasters, marketers, and agencies who value privacy and performance. Start using our tools today – no signup, no hidden costs, just honest SEO utilities that work.
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