Free Keyword Tools


In the competitive world of digital marketing, keyword research remains the backbone of any successful SEO strategy. Whether you're a seasoned blogger or just starting your journey, the right tools can make a big difference — especially when they're free! In 2025, the range and quality of free keyword tools have dramatically improved, helping marketers uncover search trends, long-tail keywords, and untapped opportunities without spending a dime.

In this post, we’ll explore the top 10 free keyword tools in 2025, how they work, and why you should include them in your SEO toolkit.

Why Use Free Keyword Tools?

Before diving into the list, let’s quickly look at why free keyword tools are worth using:

  • Cost-effective: Perfect for freelancers, bloggers, and small businesses on a budget.
  • Great for research: Generate keyword ideas, related terms, and content topics.
  • Improve rankings: Target the right keywords to boost visibility on search engines.
  • Data-driven decisions: Use actual search data to shape your content strategy.

Now, let’s look at the best options available in 2025.

1. Google Keyword Planner

Still one of the most reliable free keyword tools, Google Keyword Planner offers data straight from Google. It’s designed for Google Ads users, but SEO professionals also use it to discover keyword ideas and search volume.

Key Features:

  • Accurate search volume ranges
  • Keyword suggestions
  • CPC and competition data

Best For: Beginners and professionals alike

2. Ubersuggest (Free Version)

Developed by Neil Patel, Ubersuggest offers a free version with limited daily searches. In 2025, its free features remain extremely valuable for quick keyword insights.

Key Features:

  • Keyword ideas
  • SEO difficulty score
  • Content suggestions

Best For: Quick keyword brainstorming

3. AnswerThe Public

This visual tool is excellent for finding long-tail and question-based keywords. The free version allows limited daily searches but still provides great data.

Key Features:

  • Visual keyword cloud
  • Question-based queries
  • Prepositions and comparisons

Best For: Content creators and blog topic ideas

4. Keyword Tool (Free Version)

Keyword Tool generates keyword suggestions using Google Autocomplete. Its free version shows keyword ideas without exact volume, but still useful for inspiration.

Key Features:

  • Long-tail keyword suggestions
  • Supports Google, YouTube, Bing, Amazon
  • Multiple language support

Best For: Multiplatform keyword research

5. SEO PowerSuite’s Rank Tracker (Free Plan)

While SEO PowerSuite is a downloadable software, its free version of Rank Tracker allows users to research keywords efficiently with some limitations.

Key Features:

  • Keyword difficulty checker
  • SERP analysis
  • Local keyword research

Best For: Desktop users with intermediate SEO needs

6. Moz Keyword Explorer (Free Plan)

Moz offers 10 free keyword queries per month with its free account. It's one of the most user-friendly free keyword tools available.

Key Features:

  • Keyword suggestions
  • SERP analysis
  • Priority score

Best For: Bloggers and small businesses

7. Ahrefs Free Keyword Generator

While Ahrefs is mostly paid, their free keyword generator tool provides valuable insights like search volume and difficulty.

Key Features:

  • Top keyword ideas
  • Keyword difficulty (KD) score
  • Available for YouTube, Bing, and Amazon

Best For: Those needing quick keyword insights

8. Google Trends

A completely free tool from Google that helps you understand keyword popularity over time and by location.

Key Features:

  • Trend comparison
  • Regional interest data
  • Real-time search trends

Best For: Seasonal content and news-based keywords

9. Soovle

Soovle pulls autocomplete suggestions from multiple sources such as Google, Amazon, Bing, Wikipedia, and more. It’s free and fast.

Key Features:

  • Multi-platform keyword ideas
  • Autocomplete suggestions
  • Simple UI

Best For: Broad keyword discovery

10. Keyword Surfer (Chrome Extension)

Keyword Surfer is a free Chrome extension that displays keyword data right inside Google’s search results page.

Key Features:

  • Monthly search volume
  • Keyword suggestions
  • On-page data like word count and keyword usage

Best For: In-browser keyword analysis

Tips to Maximize Free Keyword Tools

  • Combine tools: Use multiple free keyword tools for a comprehensive strategy.
  • Focus on long-tail keywords: Less competition and more targeted traffic.
  • Use filters: Narrow down to specific regions or languages when possible.
  • Track performance: Use Google Search Console to see how your keywords perform.

Final Thoughts

In 2025, you don’t need to spend a fortune to access high-quality keyword data. These free keyword tools give you everything you need to start building smarter content strategies, finding profitable niches, and driving targeted traffic to your site. Whether you're a blogger, marketer, or small business owner, take advantage of these powerful tools and elevate your SEO efforts — for free.