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SEO Plugins & Apps

Free SEO plugins and apps

59 of the 79 SEO plugins and apps in this directory are free or have a free plan.

11 have no paid plan at all. The rest pair a free plan with paid ones, and the table says what each free plan includes.

Listings checked up to Oct 23, 2026 · Where the facts come from

ToolPriceWhat is free
Yoast SEOWordPress SEO plugin with content analysis, schema and sitemapsFree plan · from $118.80/yrFree plugin from WordPress.org: SEO and readability analysis for one keyphrase, meta tags, canonicals, XML sitemaps, schema, breadcrumbs, llms.txt and a bulk metadata editor.
All in One SEO (AIOSEO)WordPress SEO plugin with schema, redirects, link suggestions and AIFree plan · from $99/yrAIOSEO Lite, the free plugin on WordPress.org, covers titles and meta descriptions, XML sitemaps and TruSEO on-page analysis; redirects, local SEO and link suggestions need a paid plan.
SEOPressWordPress SEO plugin with a free edition and site licences from $49Free plan · from $49/yrSEOPress Free on WordPress.org: titles and meta, canonicals, robots tags, XML and HTML sitemaps, social tags, content analysis with unlimited keywords and Analytics or Matomo tracking.
The SEO FrameworkWordPress SEO plugin that fills in meta tags and schema automaticallyFree plan · from $7/moFree plugin on WordPress.org with unlimited use: generated and editable meta tags, Open Graph and Twitter Cards, a Schema.org graph, a sitemap, 301 redirects and AI crawler blocking.
Squirrly SEOWordPress SEO plugin with cloud keyword research, audits and AI tasksFree plan · from $19.99/mo1 site, 1 Focus Page, 5 AI keyword researches and 1 audited page a month, the lite SEO Live Assistant, and rankings from Google Search Console only.
Slim SEOWordPress SEO plugin that sets meta tags and schema with no setupFree plan · from $59/yrFree plugin on WordPress.org: automatic meta and social tags, schema, XML, image and news sitemaps, breadcrumbs, redirects, 404 monitoring and AI meta writing with your own API key.
SmartCrawlWordPress SEO plugin from WPMU DEV with audits, schema and autolinksFree plan · from $50/yrFree plugin on WordPress.org: setup wizard, SEO checkup, titles and meta, XML sitemaps, social tags, schema types builder, 301 redirects, breadcrumbs and content analysis.
RedirectionFree WordPress plugin for managing 301 redirects and 404 errorsFreeEverything. There is no paid plan.
Schema & Structured Data for WP & AMPWordPress schema plugin with 35+ types and AMP supportFree plan · from $99/yrFree plugin on WordPress.org: 35+ schema types, schema templates, conditional display rules, AMP support, breadcrumbs, a review box, Google reviews and imports from other schema plugins.
WPSSO CoreWordPress plugin for Schema markup and social sharing meta tagsFree plan · from $49 one-timeThe Standard edition on WordPress.org is free: Schema JSON-LD, social meta tags, WooCommerce product markup and the free add-ons.
Site Kit by GoogleGoogle's free WordPress plugin for Search Console and Analytics statsFreeEverything. There is no paid plan.
PrettyLinksWordPress plugin for branded short links and affiliate link trackingFree plan · from $249/yrLite on WordPress.org: branded short links, 301, 302 and 307 redirects, click tracking, reports and CSV import, with a 3% fee on PrettyPay sales.
Booster AI SEO + AEO OptimizerShopify app that audits and fixes store SEO and compresses imagesFree plan · from $39/moSEO score, alt text templates, broken-link detection, manual audits, a weekly sync of 50 images and weekly email reports.
Avada SEO SuiteShopify SEO app with AI audits, image compression and speed toolsFree plan · from $34.95/mo100 images optimized, basic speed up and meta tags, 20 on-page audits, 100 AI credits, alt text optimizer and an HTML sitemap.
Tapita AI SEO OptimizerShopify SEO and speed app with audits, schemas and AI meta tagsFree plan · from $9.99/moUnlimited on-page audits, audit and llms.txt for basic pages, essential schemas, 900 image compressions a month and bulk meta editing.
TinySEOShopify app for image compression, page speed and SEO fixesFree plan · from $14/mo50 image optimizations a month, alt text and file name optimization, a 50-page site audit, 10 AI credits and 30-day image backup.
SearchPieShopify SEO app for schema, meta tags, indexing and page speedFree plan · from $39/moStarter: SEO health and AI readiness score, breadcrumb and store schema, sitemap, image compression, bulk meta and alt templates, llms.txt, IndexNow.
SEOWILLShopify SEO app with audits, speed fixes, AI blog posts and llms.txtFree plan · from $29.99/moFull-site SEO and GEO audit, basic speed optimization, 50 images compressed, 20 on-page audits and 30 credits each for AI content and blog writing.
Smart SEOShopify SEO app for AI meta tags, image optimization and JSON-LDFree plan · from $14.99/moMeta and alt tag optimization, sitemap and noindex controls, 20 AI generations, 50 images optimized, 100 pages link-checked and a 20-page SEO audit.
Webrex SEOShopify schema app for product rich results and AI-ready FAQ markupFree plan · from $9.99/moUnlimited automatic product schema for every variant, plus local business, organization, breadcrumb, article and blog schema.
StoreSEOShopify SEO app for AI product copy, schema, images and rank trackingFree plan · from $14.99/mo25 products, 25 images, 200 AI credits and 5 tracked keywords, with the MCP server, llms.txt, AI alt text and XML sitemaps.
SEO KingShopify SEO app with unlimited AI meta text and image optimizationFree plan · from $9.99/moFree basics: unlimited alt text, meta title and meta description updates, photo renaming and optimization, a store scan, and Search Console and keyword analytics. No AI text.
Sitemap NoIndex Pro SEOShopify app for custom sitemaps, noindex tags and an llms.txt fileFree plan · from $3.99/moStarter plan: 30 SEO scans and 30 image alt text updates a month, the default XML sitemap, a standard HTML sitemap, live keyword and readability scores, and title and meta editing.
SEO Suite: AI SEO & BlogsShopify app that audits store SEO and writes fixes and blogs with AIFree plan · from $14.99/moa basic SEO audit once a day, 5 AI content generations and 5 image compressions a day, meta tag inspection and product schema.
404/301 SC Easy URL RedirectsShopify app for 301 redirects, 404 alerts and AI-matched redirectsFree plan · from $14.99/moBasic plan: bulk redirects for broken 404 pages, grouping and filtering of redirects, and statistics.
Rabbit SEO Optimizer & BoosterWix app for SEO audits, page fixes, rank tracking and backlinksFree plan · from $18/mo2 optimizations, 400 page views and 5 keywords, limited page optimization, a site auditor, PageSpeed, rank monitoring and trials of research and backlinks.
SEOlyWix app for landing-page SEO tips, rank tracking and link creditsFree plan · from $15/moStarter plan: 5 keywords, a limited landing-page optimizer and an example of the link-building service.
One-Click OptimizerWix app that applies robots, canonical, alt text and FAQ schema fixesFree plan · from $25/moBasic plan: optimizes up to 5 pages with 500 monthly page views, core SEO fixes on every page and basic FAQ schema on one page.
SEO with AI: Optimize FasterWix app that writes SEO titles and descriptions with AIFree plan · from $4.80/moStarter plan: 15 AI title and description credits a day, a broken link scanner and a site-down checker.
FluidSEOWebflow app for page audits, AI alt text, meta tags and schemaFree plan · from $24/moEveryone starts on a free plan and upgrades in the app; the pricing page does not say what the free plan includes or where it stops.
Schema FlowWebflow app for JSON-LD schema with AI pre-fill and CMS mappingFree plan · from $99 one-timeStarter plan: up to 10 published schemas such as Article, FAQPage or Product, with paste from clipboard, code preview and AI schema suggestions.
BulkSEOWebflow app for editing page SEO metadata in bulk through CSV filesFree planWebflow's app listing says a free plan is available, but it does not state what the free plan includes or where it stops.
AI SEO CopilotFree, open-source on-page SEO checker inside the Webflow DesignerFreeEverything. There is no paid plan.
FavSEOBigCommerce app for bulk title and meta description edits and auditsFree plan · from $19.95/moStandard plan: the title and meta description editor with character counts and the bulk title editor, free with no time limit.
XML Sitemap Generator for GoogleFree WordPress plugin that builds and updates XML and HTML sitemapsFreeEverything. There is no paid plan.
301 Redirects - Redirect ManagerWordPress plugin for 301, 302 and 307 redirects with a 404 error logFree plan · from $9.99/moFree plugin on WordPress.org: 301, 302 and 307 redirects to posts, pages, archives or any URL, a 404 log of the last 50 errors, hit counts and CSV import and export.
SureRank SEOLightweight WordPress SEO plugin with site checks and built-in AIFree plan · from $149/yrFree plugin on WordPress.org: meta titles and descriptions, Open Graph and X cards, an XML sitemap, JSON-LD schema, a robots.txt editor, Search Console data, and site and page SEO checks.
SiteSEOWordPress SEO plugin from Softaculous with a yearly Pro licenseFree plan · from $49/yrFree plugin on WordPress.org: titles and meta with dynamic variables, content analysis for unlimited keywords, XML and HTML sitemaps, Open Graph and X cards, Google Indexing API and IndexNow.
Permalink ManagerWordPress plugin for editing full URLs and permalink formatsFree plan · from €49 one-timePermalink Manager Lite on WordPress.org: edit post, page and custom post type URLs one by one or by format, automatic redirects, and WPML and Polylang URLs.
Media File RenamerWordPress plugin that renames media files to descriptive namesFree plan · from $39/yrFree plugin on WordPress.org: rename media files from their title or ALT text, automatically or by hand and in bulk, with AI suggestions from metadata, file locking and undo.
404 to 301Free WordPress redirect manager with detailed 404 error logsFreeEverything. There is no paid plan.
Simple 301 Redirects by BetterLinksFree, minimal WordPress plugin for 301 redirects and wildcardsFreeEverything. There is no paid plan.
Schema - All In One Schema Rich SnippetsFree WordPress plugin for adding schema to posts one at a timeFreeEverything. There is no paid plan.
Xagio SEO & AEOAI-driven WordPress SEO plugin tied to a site builder and hostingFree plan · from $67/moFree plan and WordPress plugin with access to every feature, but no monthly Xag credits, which builds, hosting, rank tracking and audits use up.
SEO Image Optimizer WizardFree Shopify app that compresses images and audits a store's SEOFreeEverything. There is no paid plan.
Avada Blog SEO AEO ContentShopify blog builder with an AI writer, SEO score and keyword researchFree plan · from $14.90/moUnlimited blog posts, 200,000 AI tokens that do not renew, all elements with advanced styling locked, 3 authors, 10 SEO audits and keyword research.
Tapita GEO Studio & AI BlogFree Shopify app for AI blog posts, FAQs and buyer's guidesFreeEverything. There is no paid plan.
Essential AI SEO: AI Blog PostShopify app that writes SEO blog posts with AI in 13 languagesFree plan · from $9.99/mo3 blog post generations a month, SEO-optimized articles and, as the listing puts it, all premium features.
Avada AEO SEO Optimizer LLMsFree Shopify app that builds llms.txt and agents.md files for AI botsFreeEverything. There is no paid plan.
AltKing: AI Alt Text SEO & ADAFree Shopify app that writes alt text for product and variant imagesFreeEverything. There is no paid plan.
AI Blog Agent | SEO Auto BlogShopify app that writes and publishes SEO blog posts on a scheduleFree plan · from $8.99/moLifetime FREE plan: 3 blog posts a week (12 a month) with every feature, including automatic posting, images, product features and internal links.
Webrex: SEO Audit OptimizerTechnical SEO audit app for Shopify stores, priced by product countFree plan · from $9.99/mo50 products, basic technical SEO checks, duplicate content detection, meta tag validation and missing alt text detection.
SEOWILL - 404 Link RedirectShopify app that finds 404 errors and redirects them with 301sFree plan · from $7.99/moWhole-site scan, 301 redirects, a quota of 10 new 404s, live target URL suggestions, daily reports and bulk upload of redirects.
SEO & AI Traffic BoosterrankingCoach's Wix app for SEO tasks, listings and reviewsFree plan · from $5/moGet Found plan: live tracking of mentions and reviews, Google and Facebook listings, keyword and ranking tracking, and performance analytics.
Automatic SEO Tags FixerWix app that rewrites meta, canonical, robots and social tagsFree plan · from $7.99/moBasic plan: title and meta description fixes, basic canonical and robots fixes and social previews for up to 3 pages and 200 optimized views.
AI Visibility BoosterWix app for keyword rank tracking, research and SEO fixesFree plan · from $25/moBasic plan: 3 tracked keywords with keyword statistics and weekly and monthly ranking history.
Automatic Google Schema FixerWix app that adds FAQ and product schema for Google rich resultsFree plan · from $7.99/moBasic plan: Google snippets, including FAQ and product information, on up to 3 pages for sites with up to 200 monthly visits.
GraphiteWebflow app for bulk metadata, schema, robots.txt and AI trackingFree planThe Webflow listing says a free plan is available but does not say what it includes or what paid plans cost.
Flowtrix SchemaNo-code schema markup app for Webflow pages and CMS itemsFree planThe Webflow listing says a free plan is available but does not say what it includes or what paid plans cost.

Common questions

Which SEO plugins and apps are free?

59 of the 79 SEO plugins and apps in this directory are free or have a free plan. They are Yoast SEO, All in One SEO (AIOSEO), SEOPress, The SEO Framework, Squirrly SEO, Slim SEO, SmartCrawl, Redirection, Schema & Structured Data for WP & AMP, WPSSO Core, Site Kit by Google, PrettyLinks, Booster AI SEO + AEO Optimizer, Avada SEO Suite, Tapita AI SEO Optimizer and 44 more.

Which SEO plugins and apps are free with no paid plan?

Redirection, Site Kit by Google, AI SEO Copilot, XML Sitemap Generator for Google, 404 to 301, Simple 301 Redirects by BetterLinks, Schema - All In One Schema Rich Snippets, SEO Image Optimizer Wizard, Tapita GEO Studio & AI Blog, Avada AEO SEO Optimizer LLMs and AltKing: AI Alt Text SEO & ADA have no paid plan. The others on this page limit the free plan and sell paid ones.

When was this checked?

Every listing on this page was checked on Oct 23, 2026, against the pages it cites. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and each listing names the pages it was read from.