Free SEO tools that run in your browser
All tools run client-side — your data never leaves your device. No signup, no watermark, no tracking. Just fast, professional SEO tools that are 100% free for everyone.
Everything you need for SEO
From meta tags to AI search optimization — 35 specialized tools organized by category. All free tools run entirely in your browser.
Generators
8 tools
Create SEO tags, schema markup, sitemaps, and config files in seconds.
Analyzers
10 tools
Audit pages, detect AI content, check Core Web Vitals, and preview SERP.
Technical SEO
6 tools
Redirect chains, SSL certs, broken links, page size, and server headers.
AI SEO
4 tools
Optimize for AI search — llms.txt, AI crawler rules, and AEO content tools.
Encoders & Decoders
3 tools
Encode and decode URLs, Base64, and HTML entities instantly.
Research
4 tools
Keyword research, backlink analysis, rank tracking, and competitor intelligence.
Most popular SEO tools
The tools our users reach for every day. All free, all client-side, no signup.
Meta Tag Generator
Generate HTML meta tags for title, description, viewport, and more.
Schema Markup Generator
Create JSON-LD structured data for articles, products, FAQ, and events.
XML Sitemap Generator
Create XML sitemaps for search engines to crawl your site efficiently.
Robots.txt Generator
Build a robots.txt file with AI crawler support for GPTBot, ClaudeBot, and more.
SERP Snippet Preview
Preview how your page appears in Google search results.
Core Web Vitals Checker
Check LCP, INP, and CLS against Google's 2026 ranking thresholds.
SEO Audit Tool
Run a full on-page SEO audit with 50+ checks and prioritized fixes.
AI Content Detector
Detect AI-generated content from ChatGPT, Gemini, Claude, and GPT-5.
Word Counter
Count words, characters, sentences, and reading time with keyword analysis.
llms.txt Generator
Generate an llms.txt file to help AI systems understand your site.
Keyword Research Tool
Find search volume, difficulty scores, and keyword opportunities.
Backlink Checker
Analyze the top 100 backlinks for any domain.
Your data stays on your device
Unlike Semrush and Ahrefs, every generator tool on SEOMate runs entirely in your browser. No data is sent to any server. This is our #1 commitment.
Your data never leaves your browser
All generator tools — meta tags, schema markup, robots.txt, sitemaps, encoders — process everything locally. No server calls, no data collection, no tracking.
No account, no email, no friction
Every free tool works instantly. No signup wall, no email verification, no "create an account to continue." Just open the tool and start working.
No watermarks on output
The code, files, and markup you generate are clean and production-ready. No "generated by SEOMate" tags, no attribution required, no limits.
| Feature | SEOMate | Semrush / Ahrefs |
|---|---|---|
| Client-side processing | ||
| No signup required | ||
| No watermark on output | ||
| Free meta tag generator | Paid | |
| Free schema generator | Paid | |
| Privacy-first (no data sent) | ||
| Price | Free | $119+/mo |
From input to output in seconds
No tutorials needed. Pick a tool, enter your data, and get production-ready results instantly.
Pick a tool
Browse 18 SEO tools across 6 categories. Choose from generators, encoders, analyzers, technical SEO, research, and monitoring tools.
Enter your data
Type or paste your content, URL, or configuration. Everything stays in your browser — no data is sent to any server.
Get instant results
Copy generated code, download files, or view analysis — all instantly, all client-side. No waiting, no loading bars.
Use anywhere
Paste into your CMS, upload to your server, or share with your team. No watermark, no attribution, no limits.
Trusted by SEO professionals
Join thousands of marketers, agencies, and business owners who use SEOMate every day.
"SEOMate replaced three paid tools in our stack. The meta tag and schema generators alone save me hours every week. The fact that everything runs client-side is a huge selling point for our privacy-conscious clients."
"I recommend SEOMate to every client. No signup means I can share tool links in meetings and clients can use them immediately. The SERP preview tool is better than paid alternatives I've used. And it's all free!"
"The keyword density checker and AI content optimizer are my go-to tools for every article I publish. The fact that everything is free is incredible — I was paying $119+/month for Semrush before."
Ready to boost your SEO?
Join thousands of professionals using SEOMate's free, privacy-first SEO tools. No account needed — just open and go.