Compare the Top Free Content Optimization Tools as of October 2025

What are Free Content Optimization Tools?

Content optimization tools are automated software solutions that help users to create, evaluate, and improve content for digital publishing. They provide features such as keyword analysis, page analysis, content recommendations, semantic auto-complete, and other services. These solutions enable users to optimize their content for search engine visibility and maximize the potential of their digital content. Content optimization tools can be used by publishers of all sizes and help increase the reach of their digital content. Compare and read user reviews of the best Free Content Optimization tools currently available using the table below. This list is updated regularly.

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    Semrush

    Semrush

    Semrush

    Semrush is an online visibility management and content marketing SaaS platform that ensures businesses get measurable results from online marketing. Our software helps companies of all sizes and industries to optimize their visibility across key channels and create engaging content for their users. Our data enables discovery of great growth opportunities, while workflow and tracking solutions help users run experiments continuously and more accurately measure results. Unveil your competitors’ marketing strategy and tactics. Analyze traffic of any website. Unveil competitor promotion strategies. Get ideas for growing your market share. Discover keyword & backlink gap. Discover how to reach more prospects while spending less. Find the best keywords for every PPC campaign. Monitor your competitor’s ad copies and landing pages. Optimize your Advertising spend (at a local level). Analyze Google Shopping ad campaigns.
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    Grammarly

    Grammarly

    Grammarly

    Compose bold, clear, mistake-free writing with Grammarly’s AI-powered writing assistant. Grammarly now organizes your writing feedback by theme, so you can see how each change will help your readers better understand your message. Get corrections from Grammarly while you write on Gmail, Twitter, LinkedIn, and all your other favorite sites. From grammar and spelling to style and tone, Grammarly helps you eliminate errors and find the perfect words to express yourself. Get started for free and find out what you can accomplish with the power of Grammarly at your fingertips. With Grammarly Business, every member of your team can compose credible, mistake-free writing that makes your business look good. Every email, web page, and social media post makes an impression on your customers. With Grammarly, you can be confident it's the right impression. High-quality writing is more than just mechanics. Grammarly Business goes deeper with real-time suggestions for improving readability.
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    Starting Price: $12 per month
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    Notion

    Notion

    Notion Labs

    Notion is a highly versatile and collaborative workspace designed to help individuals and teams manage documents, wikis, projects, and tasks efficiently. It offers a wide array of features like customizable views for workflows, project tracking, and document creation, all within a single platform. Notion allows users to create a shared knowledge base, organize notes, and collaborate seamlessly on content creation. Additionally, its built-in AI assistance features help users summarize, write, and instantly search for relevant content, significantly enhancing productivity. The platform integrates effortlessly with other popular apps such as Slack, Google Drive, and Trello, providing a seamless experience for teams looking for an all-in-one platform to manage their projects, goals, and knowledge in an organized, collaborative environment.
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    Starting Price: $12/user/month
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    SE Ranking

    SE Ranking

    SE Ranking

    SE Ranking is an all-inclusive, cloud-based search engine optimization (SEO) platform for webmasters and marketing professionals. Intuitive and easy-to-use, SE Ranking offers a complete set of tools for comprehensive tracking of keyword positions, site auditing, analyzing competitor SEO and PPC strategies, keyword suggestion and grouping, website ranking, backlink monitoring, automated professional reporting, and more. By leveraging SE Ranking, users can easily keep track of their website’s keyword ranking in multiple countries, cities, regions, and languages in real-time across Bing, Google, and Yahoo.
    Starting Price: $24.80/month/user
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    Yoast SEO
    The mission of Yoast is SEO for everyone. We want to give everyone the opportunity to rank in the search engines. Our SEO plugin, blog posts, and online courses should enable both large companies as well as small websites to attract the traffic they desire. Yoast SEO is the #1 WordPress SEO plugin. Get more visitors from Google and Bing. Attract more visitors from social media. Increase your readers’ engagement. We walk you through every step: no need to be or hire an SEO expert.
    Starting Price: $89
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    Optimizely One

    Optimizely One

    Optimizely

    Optimizely is the world's leader in Progressive Delivery and Experimentation, empowering leading companies to test and deliver new experiences and features to their customers. Creating digital experiences that transform your company takes data-driven decisions, continued experimentation and constant invention. Optimizely One helps you unlock your digital potential. To create helpful, human digital experiences requires constant invention from every company.​ A digital experience platform (DXP) should make creating behavior-driven experiences simple, crafting sophisticated content faster, collaborating easier and anticipating customer needs possible. See how you can eliminate guesswork and make every interaction actionable. Commerce in the digital age is more than transactions, products and catalogs. Selling online means telling stories, evoking emotion and establishing trust. No one owes you their business, you have to earn it with every interaction.
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    Searchmetrics Suite

    Searchmetrics Suite

    Searchmetrics

    We help you analyze your markets, build strategies for attracting them, and execute those strategies on a global scale. Custom enterprise SEO solutions. Searchmetrics helped me to tell a much better story to my colleagues and to the people I report to. Uncover changes in market demand and identify the best opportunities for increased revenue, using our propriety data pulled directly from search engines around the world. We help you create comprehensive plans to increase sales from organic search, execute them, and monitor your progress. No matter how large or complex your site is, our platform can handle it. The Searchmetrics Suite helps you monitor competitor performance in organic search, compare it to your own, and beat them every time. Create reports for senior leadership across your organization that demonstrate the results of your hard work (and even get that next budget increase).
    Starting Price: $69 per month
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    MarketMuse

    MarketMuse

    MarketMuse

    MarketMuse is a content intelligence platform that sets the standard for content quality. Our AI-powered platform increases your organic presence, improves productivity, and drives revenue. MarketMuse’s patented AI collects and analyzes your content, prioritizes your best opportunities based on authority and ROI, generates initial drafts and builds industry-leading topic models so you can always write the best content on any topic.
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    Rank Math

    Rank Math

    Rank Math

    Rank Math is the most powerful way to get BEST WordPress SEO tools added to your website. Rank Math is a Search Engine Optimization plugin for WordPress that makes it easy for anyone to optimize their content with built-in suggestions based on widely-accepted best practices. Easily customize important SEO settings, control which pages are indexable, and how you want your website to appear in search with Structured data. The tools you need to run successful websites are at your fingertips. Stop manually configuring your site to meet best practices. Rank Math saves you from countless hours of repetitive work and makes optimize posts easy so you can actually get your site to rank higher. Is this short enough? Rank Math practically configures itself. Rank Math features a step-by-step installation and configuration wizard that sets up SEO for WordPress perfectly.
    Starting Price: $59 per year
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    SimilarContent

    SimilarContent

    SimilarContent

    SimilarContent is a one-stop content optimization software for all your SEO writing. It’s like having a virtual assistant on call 24/7! Insert your target keyword, then choose which country is your market. Our SEO optimization checker provides you with a keyword coverage score. Predict what keywords your content might be placed in the search engine results. Insert your target keyword, then choose which country is your market. SimilarContent will analyze the top 10 live results for LSI keywords. Our SEO optimization checker will check your keyword coverage score while you are adding keywords, phrases, and questions that the application suggests. Use our keyword ranking tool to see which keywords you have a chance of ranking for. We use the power of artificial intelligence to find out where your content will be placed in search engine results pages. Improve the readability of the text; shorten long sentences; rephrase vague sentences.
    Starting Price: $9.9 per month
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    Kazan

    Kazan

    Kazan

    So this is a totally free content optimizer based on co-relation to the top 10 Google results for any given keywords, this includes entities, NLP, and it’s totally transparent without hiding or making up keywords for you to optimize. That’s right, you heard it, a free forever and unlimited content optimizer. It grabs the top 10 results in google for any given phrase, extracts its content (including anchors), and co-relates its content to find similarities of keywords they use if there’s a consensus of the majority of the results (6 or more) it then adds it to a list of keywords you should include into your content, it averages it out the occurrences of those keywords in the top 10 results and it guides you into including those keywords into your content. Unlike competitors, we will be free forever and unlimited. The tool's in development, any features you want to be added post them in the FB group. You should optimize your articles more than once to keep up with the top performers.
    Starting Price: Free
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    GetGenie

    GetGenie

    GetGenie AI

    GetGenie, your AI assistant for Content & SEO, replaces 10+ apps for you with its AI magic & a simple WordPress Plugin. GetGenie AI works like magic by packing all your required features in one simple WordPress tool — saving you time and resources on 10+ others. Everybody has their limitations, but not your Genie! Whatever assistance you need with words, the Genie has got it covered to fullfill your needs across multiple categories. Turn on the SEO mode and make your content SERP-ready from day one — AI-based SEO optimization right inside WordPress using GetGenie. With GetGenie, you can analyze & pick keywords in depth by utilizing trend data, search volume, competition, CPC, as well as all related keywords for them. Get ahead of your competitors, analyze their content gaps & weaknesses, and outrank them on the search result pages using the Ai power of GetGenie.
    Starting Price: $19 per month
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    Blogster

    Blogster

    Blogster

    Blogster is an AI-based tool that automates blog post writing. It understands your business and target audience, then analyzes search trends and competition to write relevant, engaging posts optimized for SEO. Blogster can also predict the number of impressions and clicks each post will generate, easily integrate your content management system (CMS), choose relevant blog topics, promote your products and services through articles, and enable publication scheduling to maintain regularity in your content strategy.
    Starting Price: $50/month
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    BAVOKO SEO Tools
    BAVOKO SEO Tools not only provides you all important tools for search engine optimization but also includes detailed SEO data, as well as unique workflows to take your daily SEO work to the next level. Through the integrated on-page crawler and connected API’s, BAVOKO SEO Tools offers you detailed ranking, on-page, performance and backlink data directly in the WordPress backend. BAVOKO SEO Tools combines all-important SEO settings and tools for your metas, internal links, sitemap, permalinks, redirects and many more in one single WordPress Plugin. The integrated Content Optimizer includes all relevant SEO tools and data you need for the optimization of your single pages within the post, during the analysis within the plugin and even in the front. Connect WordPress to the Google Search Console and get up to 25,000 keywords a day in your backend. BAVOKO SEO Tools offers extensive ranking analysis in different views, access to effective keyword research tools.
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    Scalenut

    Scalenut

    Scalenut

    Scalenut is an AI-powered content research and writing tool for original, high-ranking, long and short-form content. It brings together next-generation technologies like AI and NLP and seamless content creation processes to help you create content that outperforms the rest. It enables you to improve the readability, efficacy, and overall yield of your content. Adaptable to a wide range of content requirements, Scalenut is a one-stop SaaS solution for content creators, marketing teams, agencies and businesses at all levels and for all niches.
    Starting Price: $29 per month
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    Dittto

    Dittto

    Dittto.ai

    Stop wasting website traffic with confusing hero copy. Dittto is the only AI trained on high-converting SaaS websites and fine-tuned by pro copywriters. Audit your positioning, get brand voice recommendations, and fix your hero copy for more conversions. Use Case: Anyone that wants to leverage positioning to increase engagement and conversions on their website. Problem: ~35% of users leave your page without scrolling. A compelling hero section determines whether or not they continue reading. Solution: Leverage the brand voices of top SaaS companies, and easily A/B test their messaging to increase your website's engagement. Features: Audit your website for clarity with AI, Copy inspiration from leading SaaS brands, Hero Copy AI to personalize messaging to each visitor.
    Starting Price: $9/month
  • 17
    Keytrends

    Keytrends

    Keytrends

    Create your Content Strategy 90% faster for your ecommerce with Data Driven AI and Trends Data. We integrate the power of AI with user research to create unique, multi-channel content. +30 templates to write 10x faster with GPT3.5. Also, Keytrends help you research your user’s search intentions and your competitor’s content in one tool and without going to the SERPs and everything in less than a minute. Thanks to Keytrends superpowers, you can detect hundreds of new trends automatically based on the latest trends from Google Trends, as well as managing your content and publish 75% more by scheduling the topics you are going to cover and manage content with your editorial team: assign publishers, set deadlines and don’t let a day go by without publishing.
    Starting Price: €199/month
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