Free Keyword Research: Find Ideas with Free Tools

Free keyword research helps businesses and marketers understand what customers are searching for on Google, so they can create content that meets real needs without investing in paid software. With just a few readily available tools, you can discover ideas, organize topics, and prioritize keywords relevant to your products and services.

This article explains how to use Google Suggest, Google Keyword Planner, Google Trends, and other tools to find and filter keywords. You’ll also learn how to turn a list of ideas into a practical content plan instead of collecting a long list of phrases without knowing where to start.

Where should you start with free keyword research?

Before opening any tools, identify the customers you want to reach and the problems they need to solve. A good keyword is not simply one with a high search volume; it should relate to your product or topic, reflect search intent, and suit your business’s ability to create content.

Understand the different types of search intent

• Informational: The user wants to learn something, such as “how to choose sales management software.” Guides, explainers, and checklists are usually a good fit.
• Comparison and consideration: The user is evaluating solutions, for example, “sales management software for small stores.” Comparison articles, selection criteria, or solution pages can meet this need.
• Finding a provider or making a purchase: Searches such as “business website design services” signal clearer commercial intent. Service pages, process information, and consultation content suit this group.

Start with a few core topics directly related to your business, then write down the questions customers commonly ask. For instance, a website design business could start with “website development costs,” “website design process,” and “what features does an ecommerce website need?” These seed topics can be expanded into more specific long-tail keywords.

Find ideas with Google Suggest and related searches

Google Suggest is the autocomplete feature that appears as you type a query into the search box. Its suggestions can reveal how people express their needs, making it particularly useful for finding long-tail keywords, questions, and variations tied to specific problems.

How to use Google Suggest

1. Enter a seed keyword in Google, but don’t press Enter. Note the suggestions that appear.
2. Try adding letters or question words before, within, and after the query. For example: “website design for…,” “how to choose website design…” or “does website design need…”.
3. Run the search and review the “People also ask” box and related searches at the bottom of the page, if they appear.
4. Group phrases with the same purpose and remove ideas that aren’t relevant to your target customers.

For example, “ERP software” might suggest topics such as what ERP is, its benefits, how long implementation takes, or which businesses should use it. Each could become a separate piece of content or a section in an overview article, depending on how different the search intent is.

Google suggestions are useful for exploring language and questions, but they don’t provide exact search volume or competition data. Use them to build an initial list, then combine them with data from other tools and your practical knowledge of customers.

Use Keyword Planner and Google Trends to refine your list

Google Keyword Planner

Google Keyword Planner is part of Google Ads and can help you find keyword ideas and view forecasts or search activity data. You’ll need to access a Google Ads account to use it. Some metrics may vary depending on your account status and settings, so don’t treat every figure as an exact search volume.

1. Select the option to discover new keywords, then enter a few seed keywords or a relevant website address.
2. Choose the location and language that fit your target market—for example, Vietnam and Vietnamese if your business serves domestic customers.
3. Review the suggested ideas, search volume ranges, and paid-ad competition. Save relevant phrases; don’t choose a keyword just because its metrics look attractive.
4. Export or record the list so you can group it, compare it with Google Suggest results, and check the search engine results page.

Competition in Keyword Planner is primarily intended for advertising and does not directly indicate organic SEO difficulty. When choosing keywords for an article, review the types of pages ranking, their content quality, and how well they meet search intent.

Google Trends

Google Trends shows the relative interest in a query over time and by location, and lets you compare topics. It’s useful for spotting rising or declining interest and seasonality, but shouldn’t be treated as a report of absolute search volume.

For example, a business can compare two names customers use for a product to see which has attracted more interest during a particular period. If the topic is seasonal, Trends data can also help determine when to prepare content. When comparing terms, use the same location and time range, and make sure the queries are closely related enough for the results to be meaningful.

Other free tools and how to evaluate keywords

Beyond Google’s tools, you can use YouTube search, forums, social media, or free versions of keyword research tools. Some SEO platforms offer limited queries or sample data; check their current terms and limits before relying on them.

Google Search Console is especially useful if your website already has data. Its Performance report shows the queries that brought users to your pages, along with impressions, clicks, and average position. It’s not an idea-generation tool for a brand-new website, but it can reveal the queries your existing content appears for and opportunities to optimize further.

Criteria for refining your keyword list

• Relevance: Is the phrase connected to your products, services, expertise, or business customers’ needs?
• Search intent: Does the user want to learn, compare, or get in touch to buy? Will the intended landing page meet that need?
• Ability to execute: Does your business have the knowledge, data, and resources to create useful, distinctive content?
• Specificity: Long-tail keywords often express a need more clearly, although they don’t always have high search volume.
• Business value: Can the content support brand awareness, customer consultations, or sales opportunities?

As part of SEO and content consulting, LilyTech can help businesses combine tool data with business goals, website architecture, and content production capabilities. The key is to choose keywords for clear reasons—not simply to chase phrases attracting attention.

Turn your ideas into an SEO plan

After gathering ideas, save them in a spreadsheet with columns for the keyword, topic group, search intent, discovery source, intended landing page, and priority. This gives your marketing team an overview, helps avoid writing multiple articles that answer the same question, and makes it easier to spot important needs you haven’t addressed.

1. Combine variations with the same intent: Similar ways of expressing a query can serve the same page if searchers expect the same type of answer.
2. Check the SERP: Search for each phrase on Google and note the content formats appearing, such as guides, category pages, or service pages.
3. Choose one primary keyword for each page: Include secondary keywords and related entities naturally; don’t force every variation into the content.
4. Set priorities: Consider relevance, intent, practical difficulty, business value, and the resources available.
5. Measure and update: After publishing, monitor performance in Search Console and adjust titles, content, or internal links when the data supports doing so.

Use this quick checklist before getting started: Does the keyword match your target customer? Have you identified the intent? Will the planned content be distinctive and useful? Is the landing page a good fit? Have you recorded the data source? Is the measurement plan clear? If a phrase doesn’t relate to your business goals or you can’t create credible content for it, lower its priority rather than forcing it into the plan.

Conclusion: use free keyword research to get started in the right direction

Free keyword research can start simply with Google Suggest and then be expanded with Keyword Planner, Google Trends, Search Console, and an examination of search results. Each tool offers a different perspective. Combine them with search intent, relevance, and business goals to make more informed choices about topics and SEO content.

If your business needs help planning keywords, optimizing website structure, or building a content strategy tied to marketing goals, contact LilyTech for advice tailored to your resources and practical needs.