A complete suite of free, browser-based SEO tools - generate meta tags, JSON-LD schema, robots.txt files, analyze content, preview SERP snippets, and minify code. Everything runs entirely in your browser. No sign-up, no uploads, no data stored.
Every tool is free, runs in your browser, and needs no sign-up. Pick a category below or jump to a popular tool.
Build clean, valid head tags for any page — title, description, Open Graph, Twitter, canonical, hreflang.
Generate a full head block — title, description, robots, Open Graph and Twitter cards — with live preview and length meters.
Create Open Graph tags so Facebook and LinkedIn show the right title, description and image when your link is shared.
Build summary and large-image Twitter/X card tags with a live preview of the rendered card.
Produce a correct rel=canonical tag to prevent duplicate-content issues across similar URLs.
Generate hreflang tags for multilingual and multi-region sites so Google serves the right language version.
Control indexing per page with index/noindex, follow/nofollow and advanced directives like max-snippet.
Output the essential viewport and charset meta tags every responsive page needs.
Generate valid JSON-LD for rich results — articles, FAQs, products, reviews, events and more.
Create Article/NewsArticle JSON-LD with headline, author, dates and image for news and blog posts.
Turn question-and-answer pairs into valid FAQPage JSON-LD that can earn FAQ rich results.
Build BreadcrumbList JSON-LD to show your site hierarchy in search results.
Generate LocalBusiness markup with address, hours and geo data for local SEO.
Create Product JSON-LD with price, availability and ratings for shopping rich results.
Mark up your brand with logo, social profiles and contact info for the knowledge panel.
Generate Review and AggregateRating JSON-LD to display star ratings in search.
Create Event JSON-LD with dates, venue and ticket info for event rich results.
Build VideoObject JSON-LD with thumbnail, duration and upload date for video results.
Turn step-by-step guides into HowTo JSON-LD eligible for how-to rich results.
Generate and validate the files that tell search engines how to crawl your site.
Build a valid robots.txt with allow/disallow rules, crawl-delay and sitemap references.
Paste your URLs and generate a valid XML sitemap with priority and change frequency.
Create 301/302 redirect rules and rewrite directives for Apache .htaccess files.
Paste sitemap XML to check structure, required tags and common errors before submitting.
Preview snippets and analyze your content for length, density and readability.
See how your title and description appear in Google, with real pixel-width limits for desktop and mobile.
Paste text to see word and phrase frequency, density percentages and over-optimization warnings.
Paste a page's HTML to extract and grade its title, description, OG and robots tags.
Check title length in characters and pixels against Google's display limits.
Measure description length and pixel width so it never gets truncated in search.
Paste HTML to visualize your H1–H6 outline and catch skipped or duplicate headings.
Count words, characters and sentences, and estimate reading time for any text.
Score text with Flesch-Kincaid and other formulas to see how easy it is to read.
Compare two blocks of text to see their similarity percentage and matching passages.
Build campaign URLs, clean slugs, and encode, decode or parse any link.
Add consistent utm_source, medium and campaign parameters to track traffic in analytics.
Turn any title into a clean, lowercase, SEO-friendly slug with hyphens and no special characters.
Percent-encode or decode URLs and query strings safely in your browser.
Break any URL into protocol, host, path, query parameters and fragment.
Paste a list of redirects to map the full chain and spot loops or unnecessary hops.
Minify, beautify and measure your code to keep pages fast and lean.
Strip whitespace and comments from HTML to shrink file size and speed up loading.
Compress CSS by removing spaces, comments and redundancy for smaller stylesheets.
Minify JS to reduce payload size and improve your Core Web Vitals.
Format and indent messy HTML, CSS or JavaScript into clean, readable code.
Estimate how much an image weighs at different dimensions and formats before uploading.
Identify above-the-fold CSS to inline for faster first paint.
Convert an image into a Base64 data URI to embed directly in CSS or HTML.
Add up your assets to calculate total page weight and find what to optimize.
See exactly how your pages look when shared on social platforms and in Google.
Paste your Open Graph tags to preview the Facebook and LinkedIn share card.
Render your Twitter/X card from pasted tags to check the image and text fit.
Paste JSON-LD to see how your FAQ, review or recipe could appear in Google.
Upload an image to create favicons in every size browsers and devices need.
Test crawl rules and generate header-level and link-level directives.
Check whether a given URL is allowed or blocked by your robots.txt rules.
Generate HTTP header directives to control indexing of PDFs and non-HTML files.
Create links with rel=nofollow, sponsored or ugc attributes for compliant linking.
A tool-first platform, not a content blog. Every tool follows the same strict design and accuracy principles.
No loading, no submit buttons. Every tool processes live in your browser as you type — results appear instantly.
All processing happens locally. Your text, code and files never leave your device — zero data stored on servers.
Validated against the real platform rules — Google pixel widths, schema.org specs and Open Graph standards.
Desktop, tablet or phone — every tool is fully responsive and works across modern browsers and devices.
Jump straight to any tool. No sign-up, no email capture, no friction — just open and use.
A long-term utility platform. New SEO tools are added regularly, all maintained and kept up to date.
From bloggers to agencies — anyone who needs fast, accurate, standards-based SEO tools.
Everything you need to know about the free SEO Toolkit.
The SEO Toolkit includes 50+ free tools across eight groups: meta and tag generators, structured data (JSON-LD schema) generators, crawl and indexing files like robots.txt and XML sitemaps, SERP and content analysis tools, link and URL utilities, performance and code minifiers, social and rich-result previews, and robots directive helpers. Every tool runs entirely in your browser.
Yes. Every tool in the SEO Toolkit is completely free with no hidden limits, no trial periods and no premium tier. Many of these tools are sold as paid features on other platforms, but here they are free forever because they run on your own device rather than on a paid server or API.
Completely. All processing happens locally in your browser using JavaScript. The text you paste, the code you minify and the images you upload never leave your device and are never sent to any server. Nothing is stored, logged or shared, which makes the toolkit safe for confidential client work.
No account is needed. There is no sign-up, no email capture and no login wall. You can open any tool and start using it immediately. This keeps the experience fast and frictionless, and means there is no personal data to manage or protect.
Yes. Every tool is fully responsive and tested on small screens, so you can generate meta tags, build schema or check a SERP snippet from your phone or tablet. The layout adapts to your screen size and all controls remain easy to tap.
For on-page and technical tasks — generating tags, building schema, creating robots.txt and sitemaps, analyzing content and minifying code — these tools match or exceed the equivalent features in paid suites. Tasks that depend on proprietary live data, such as backlink counts or domain authority scores, require external paid services and are not part of this client-side toolkit.
The toolkit is an active, long-term project and new tools are added regularly. Existing tools are also maintained and updated as platform rules change — for example when Google adjusts snippet lengths or schema.org updates its specifications — so the output stays accurate and standards-compliant.
Once a tool page has fully loaded, most generators and analyzers continue to work even if your connection drops, because all the logic runs in your browser. You only need a connection for the initial page load and for any optional features that fetch external resources.
Convert, compress, and resize images in multiple formats — JPG, PNG, WebP, ICO, and more.
Calculate in-hand salary, CTC breakup, tax deductions, and more for Indian employees.
Convert length, weight, temperature, speed, volume, and 200+ measurement units instantly.
Count words, convert case, generate lorem ipsum, find & replace text, and more writing utilities.
Quick links to every tool — jump straight to the one you need.
Explore 50+ free SEO tools — generators, analyzers and previews, all private by design and instant in your browser.
🚀 Start with Meta Tag Generator