Free SEO Tools
A full suite of free, no-sign-up SEO tools that run entirely in your browser. Generators, validators, analyzers and calculators, plus the AI-era tools most suites still do not have.
On-page, meta and structured data
Get your titles, tags and schema right.
SERP Snippet Preview
See how your title and meta description look in Google, with live pixel widths.
Open toolMeta Tag Generator
Build title, description, robots, canonical, Open Graph and Twitter tags.
Open toolMeta Tag Analyzer
Paste a page’s HTML to audit its meta tags and score them out of 100.
Open toolSchema Markup Generator
Generate valid JSON-LD for Article, FAQ, LocalBusiness, Product and more.
Open toolSchema Markup Validator
Check your JSON-LD syntax and required properties per schema type.
Open toolOpen Graph Preview
Preview how your link looks shared on Facebook, X and LinkedIn.
Open toolCanonical Tag Checker
Find missing, duplicate or non-self-referencing canonical tags.
Open toolTwitter Card Validator
Build and preview your X (Twitter) Card and copy the meta tags.
Open toolTitle Tag Generator
Turn a keyword into a dozen title ideas with live length and pixel-width checks.
Open toolMeta Description Generator
Generate length-checked meta descriptions from a keyword and a one-line pitch.
Open toolHeading Structure Checker
See a page’s H1-H6 outline and catch missing H1s, multiple H1s and skipped levels.
Open toolSERP Length Checker
Bulk-check title and meta lengths in characters and pixels so none get cut off.
Open toolFAQ Schema Generator
Turn questions and answers into valid FAQPage JSON-LD for rich results.
Open toolBreadcrumb Schema Generator
Build BreadcrumbList JSON-LD from your page path for a clean SERP trail.
Open toolJSON Formatter and Validator
Format, minify and validate JSON, ideal for cleaning up schema markup.
Open toolLocalBusiness Schema Generator
Generate LocalBusiness JSON-LD with address, hours, phone and geo.
Open toolProduct Schema Generator
Generate Product JSON-LD with price, availability and ratings.
Open toolArticle Schema Generator
Create Article JSON-LD with author, publisher and dates.
Open toolHowTo Schema Generator
Turn a step-by-step guide into valid HowTo JSON-LD for rich results.
Open toolOrganization Schema Generator
Organization JSON-LD with logo, social profiles and contact details.
Open toolVideo Schema Generator
VideoObject JSON-LD so Google can index and feature your videos.
Open toolRecipe Schema Generator
Recipe JSON-LD with ingredients, steps and times for recipe rich results.
Open toolEvent Schema Generator
Event JSON-LD with dates, location and tickets for event results.
Open toolTechnical SEO and crawling
Control crawlers, redirects and page health, including AI bots.
AI Crawler Robots.txt Checker
See which AI bots (GPTBot, ClaudeBot, PerplexityBot) you allow or block.
Open toolllms.txt Generator
Create an llms.txt file to guide AI and LLM crawlers to your best pages.
Open toolRobots.txt Generator
Build a valid robots.txt with allow, disallow, crawl-delay and sitemap.
Open tool301 Redirect Generator
Turn old and new URLs into Apache .htaccess or Nginx redirect rules.
Open toolHreflang Tag Generator
Generate correct hreflang tags for multi-language and multi-region sites.
Open toolWebsite Speed Test
Check any page’s performance and Core Web Vitals in seconds.
Open toolFavicon Generator
Turn one image into every favicon size, a web manifest and embed code.
Open toolXML Sitemap Generator
Paste a list of URLs and get a valid sitemap.xml to submit to Google.
Open tool.htaccess Generator
Build a safe Apache .htaccess for HTTPS, redirects, caching and security.
Open toolCode Minifier and Beautifier
Minify or beautify HTML, CSS and JavaScript, comment and string aware.
Open toolRobots.txt Tester
Check if a URL is allowed or blocked by your robots.txt, using Google’s rules.
Open toolXML Sitemap Validator
Validate a sitemap, count URLs and catch broken locs, priorities and dates.
Open toolMeta Robots Tag Generator
Build a robots meta tag and X-Robots-Tag header from simple toggles.
Open toolHreflang Checker
Validate hreflang tags: language codes, x-default, duplicates and bad URLs.
Open toolSitemap URL Extractor
Paste an XML sitemap and pull out a clean, copyable list of every URL.
Open toolURL Encoder / Decoder
Percent-encode or decode URLs and query strings, component or full-URL.
Open toolBase64 Encode / Decode
Convert text to Base64 and back, unicode-safe, for data URIs and tokens.
Open toolHTML Entity Encoder / Decoder
Convert special characters to HTML entities and back so markup renders safely.
Open toolCSV to JSON Converter
Turn CSV into clean JSON, quotes and commas inside fields handled correctly.
Open toolJSON to CSV Converter
Turn a JSON array of objects into clean CSV, ready for spreadsheets.
Open toolURL Parser
Break any URL into protocol, host, path and query parameters.
Open toolXML Formatter and Validator
Pretty-print, minify and validate XML, ideal for sitemaps and feeds.
Open toolUnix Timestamp Converter
Convert Unix timestamps to human dates and back, UTC and local.
Open toolUUID Generator
Generate random version-4 UUIDs in bulk with formatting options.
Open toolColor Contrast Checker
Check text and background colors against WCAG AA and AAA standards.
Open toolKeyword research
Find, combine and map the keywords worth targeting.
Keyword Combiner
Merge two or three lists of words into every keyword combination.
Open toolKeyword Density Checker
See word counts, readability and top phrases with density in your content.
Open toolKeyword Graph
Map a set of keywords as a 2D or 3D semantic cluster.
Open toolSearch Intent Checker
Label each keyword as informational, commercial, transactional or navigational.
Open toolKeyword Grouping Tool
Cluster a keyword list into clean topic groups by shared terms.
Open toolKeyword Cannibalization Checker
Find keywords targeted by more than one page from your keyword-to-URL map.
Open toolRemove Duplicate Lines
Strip duplicates, trim, drop blanks and sort any keyword or URL list.
Open toolContent and writing
Write tighter titles, cleaner slugs and more readable copy.
Word Counter
Live word, character, sentence and reading-time counts as you type.
Open toolReadability Checker
Flesch, Gunning Fog and SMOG scores plus hard-to-read sentence flags.
Open toolHeadline Analyzer
Score any headline on length, word balance, power words and sentiment.
Open toolBlog Title Generator
Turn any topic into dozens of SEO-friendly headline ideas.
Open toolURL Slug Generator
Turn any title into a clean, SEO-friendly URL slug.
Open toolText Case Converter
Convert text to uppercase, title case, camelCase, snake_case and more.
Open toolDuplicate Content Checker
Compare two texts and get a similarity score to spot near-duplicate content.
Open toolAI Search Readiness Checker
Score how easily ChatGPT, Perplexity and AI Overviews can quote your content.
Open toolText Compare Tool
Diff two versions of any text and see exactly what was added, removed and kept.
Open toolLorem Ipsum Generator
Generate placeholder text by paragraphs, sentences or words for mockups.
Open toolFind and Replace Text
Bulk-replace words or patterns with case, whole-word and regex options.
Open toolAlphabetical Order Tool
Put any list in alphabetical order, reverse, sort by length or shuffle.
Open toolMarkdown to HTML
Convert Markdown to clean HTML with a live preview.
Open toolHTML to Markdown
Convert HTML into clean Markdown for docs, READMEs or a CMS.
Open toolImages and media
Optimize images for faster pages, all processed locally in your browser.
Image Compressor
Shrink JPG, PNG and WebP files to speed up pages and Core Web Vitals.
Open toolImage Resizer
Resize any image to exact dimensions, keeping the aspect ratio.
Open toolImage Format Converter
Convert between PNG, JPG and WebP for smaller, faster images.
Open toolImage to Base64
Turn an image into a Base64 data URI for HTML or CSS.
Open toolLinks, tracking and planning
Audit anchors, tag campaigns, project ROI and plan the work.
Anchor Text Distribution Checker
See your exact-match, branded, generic and naked-URL anchor mix.
Open toolUTM Campaign Builder
Add UTM tags to any link for accurate Google Analytics tracking.
Open toolSEO ROI Calculator
Estimate the traffic, conversions and revenue from ranking for a keyword.
Open toolSEO Templates and Checklists
Copy or download audit checklists, content briefs, outreach emails and more.
Open toolSEO CTR Calculator
Estimate monthly clicks at any Google position from a keyword’s search volume.
Open toolNofollow Link Generator
Build an anchor tag with the right rel: nofollow, sponsored, ugc and more.
Open toolDo all of this and 40+ other SEO jobs in one chat
These free tools cover the manual jobs. SEO Rocket runs keyword research, audits, rank tracking, AI-visibility and content generation for you, on real Ahrefs data, in plain language.
Start free with SEO RocketEvery tool runs entirely in your browser. Nothing is uploaded.