SEO Tools
Optimize your content and track your search performance. Built for performance and privacy. Instant processing directly in your browser.
Meta Tag & Description Generator
Generate and AI-write optimized HTML meta tags, Open Graph cards, Twitter Cards, and meta descriptions — all in one free tool.
UULE Generator
Generate Google UULE parameters to simulate local search engine results from any geographic location.
Robots.txt Generator
Create a robots.txt file to guide search engine crawlers.
SERP Preview Tool
Visualize how your page appears in Google Search results.
Keyword Density Checker
Calculate exact-match keyword density and use AI to generate LSI keywords, check search intent, and avoid keyword stuffing.
Open Graph Preview
See exactly how your page appears when shared on Facebook, X/Twitter, and LinkedIn — before you publish. Test and generate your OG meta tags in your browser.
XML Sitemap Generator
Generate a valid XML sitemap from a list of URLs. Set change frequency, priority, and lastmod date. Download instantly.
HTTP Headers Checker
Inspect the raw HTTP response headers of any URL. View security headers, cache-control, server info, and more — instantly in your browser.
Redirect Checker
Trace the complete redirect chain for any URL. See every 301, 302, and 307 hop, their status codes, and the final destination in a clear step-by-step timeline.
Canonical Tag Generator
Build correct canonical link tags to prevent duplicate content penalties. Strip query strings, trailing slashes, and force HTTPS — all in your browser.
Schema Markup Generator
Build Google-compliant JSON-LD schema markup manually or use our Magic AI Generator to extract schema directly from text.
Hreflang Tag Generator
Build valid hreflang alternate tags for multilingual and multi-regional websites. Choose from 50+ BCP 47 locale codes, get HTML and XML sitemap output — all client-side.
UTM Link Builder
Create tracking URLs with UTM parameters to measure marketing campaigns in Google Analytics.
Keyword Extractor
Pull top keywords and 1–3 word phrases from any text. Get frequency counts, density percentages, and CSV export — all client-side, no account needed.
Page Size Checker
Measure the total weight of any webpage — HTML, CSS, JavaScript, and Images — to diagnose performance and Core Web Vitals issues.
UTM Link Builder
Build standardized tracking URLs with UTM parameters for marketing campaigns.
Free SEO Tools for Everyday Tasks
FluxToolkit SEO tools provide everything webmasters, digital marketers, and developers need to optimize technical SEO directly from their browser. Quickly build accurate meta tags, simulate how pages look on Google Search, generate complex schema markup, and analyze keyword density without paying for expensive SEO suites.
Built for technical SEO implementation
Implementing structured data, canonical tags, and hreflang tags can be error-prone if done manually. Our schema and tag generators ensure you output perfectly valid code ready to be pasted into your `
` or JSON-LD blocks.Perfect your SERP appearance
The SERP Preview Tool allows you to visualize exactly how your title tags and meta descriptions will appear in Google search results on both desktop and mobile, ensuring you don't exceed pixel width limits.
Zero cost, zero limits
Unlike premium SEO software that limits your usage, these browser-based utilities are completely free and process data locally. There are no limits on how many schema structures you can generate or how many texts you analyze for keyword density.
SEO Tools FAQ
What is the most important SEO tool for a new website?
For a new website, generating a correct robots.txt file and proper meta tags (Title and Description) are critical first steps. You can use our Robots.txt Generator and Meta Tag Generator to ensure search engines can properly crawl and index your pages.
How does the Schema Generator help my SEO?
Schema markup (JSON-LD) helps search engines understand the context of your content. By using our Schema Generator to add structured data for articles, FAQs, products, or local businesses, you increase your chances of earning rich snippets in Google search results.
Is the SERP Preview tool accurate for character limits?
Yes. Google truncates titles and descriptions based on pixel width rather than character count. Our SERP Preview tool calculates the approximate pixel width of your text to provide a realistic preview of how it will appear in search results.
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