Last month, we used the free Ahrefs Keyword Generator to find 347 keyword ideas for a SaaS client’s blog. The result? Their organic traffic jumped 89% in 90 days.
Most marketers think you need expensive tools for keyword research. Wrong. Ahrefs gives you 150+ keyword ideas for free – if you know how to use it properly.
But here’s the good news: you don’t always need a paid plan to kickstart your research. The Ahrefs Keyword Generatoris a free tool that lets you discover 150+ keyword ideas instantly. Whether you’re working on blog posts, YouTube content, or even Amazon product listings, this tool can help you uncover search terms that people actually use.
Here’s what the Ahrefs Keyword Generator actually does, how to use it, and how to maximize its insights to fuel your performance marketing and SEO growth.
The Ahrefs Keyword Generator is a free tool that turns any seed keyword into 100+ keyword ideas across Google, YouTube, Amazon and Bing. Each idea comes with search volume and Keyword Difficulty, so you can spot low-competition terms worth targeting, with no account or paid plan required.
What is the Ahrefs Keyword Generator?
The Ahrefs Keyword Generator is a lightweight, free version of Ahrefs’ full-fledged Keywords Explorer. It’s designed to give you quick keyword ideas based on a seed keyword you provide.
The tool pulls data from Ahrefs’ massive database of over 8 billion queries and supports multiple platforms:
- Google – for traditional SEO and GEO.
- Bing – for alternative search engine visibility.
- YouTube – for video SEO.
- Amazon – for product keyword research.
This makes it a versatile option, whether you’re a blogger, SaaS marketer, e-commerce seller, or YouTube creator.
Key Features of Ahrefs Keyword Generator
Here’s what you can expect when you enter a keyword into the tool:
- Platform-specific data (Google, YouTube, Amazon, Bing).
- 100 keyword ideas based on your seed term.
- 50 additional questions people search for (great for blog content and FAQs).
- Keyword Difficulty (KD) score for the top 10 results.
- Search volume estimates, both global and country-specific.
Why Keyword Research with Ahrefs Doesn’t Have to Be Complicated
Ahrefs simplifies keyword research into a 3-step process:
- Target them strategically.
- Generate keyword ideas.
- Analyze them to find the best opportunities.
Let’s break this down.
1. Generate Keywords with AI and Reports
The Ahrefs Keyword Generator helps you go from seed keyword → thousands of ideas in seconds.
Brainstorm Seed Keywords with AI
Not sure where to start?
Enter a broad term (e.g., “coffee”), choose a location (e.g., United States), and let AI suggest related keywords instantly. This is especially helpful if you’re exploring a new niche.
Discover Keyword Ideas, All Day Long
Ahrefs pulls keyword suggestions from six powerful reports:
- Terms match keywords that contain all words of your seed keyword in any order.
- Phrase match keywords containing your seed keyword in the exact order.
- Questions search queries phrased as questions.
- Also rank for keywords that pages ranking for your seed keyword also rank for.
- Also talk about semantically related keywords.
- Search suggestions – autocomplete-like keyword suggestions.
Instantly Cluster Keywords
Unlike many tools that take minutes, Ahrefs instantly groups related keywords into clusters by Parent Topic or common terms. This avoids duplication and helps you build topic-focused content faster.
2. Analyze Keywords in Detail
Once you have ideas, the next step is figuring out which ones are worth pursuing.
Estimate Ranking Difficulty (KD)
Ahrefs uses a 0–100 Keyword Difficulty score based on backlinks to top-ranking pages:
- Easy (0–10): Quick wins.
- Medium (11–30): Achievable with effort.
- Hard (31–70): Requires authority and strong backlinks.
- Super Hard (71–100): Extremely competitive.
Example: “sushi” → KD 93 (very hard). “sushi sandwich recipe” → KD 27 (realistic target).
Get Search Volume Trends
See average monthly searches plus 12-month forecasts. Unlike Google Keyword Planner (which often groups queries), Ahrefs provides more precise volumes.You can also break this down by country to prioritize markets.
Gauge True Traffic Potential (TP)
Search volume alone doesn’t tell the full story. Ahrefs estimates the traffic potential of the top-ranking page, considering all keywords it ranks for.
Example: A keyword with 450 searches/month may have 4.6K TP because the top page also ranks for hundreds of related queries.
Review SERPs Like a Pro
Analyze the current top results for backlinks, organic traffic, and content type. This shows why competitors rank and what you need to beat them.
Bonus: The Position history graph reveals SERP volatility, so you can see whether rankings are stable or constantly shifting.
Explore Ads and Device Data
- Ads position history: See who’s bidding on your keywords and their ad copy.
- Device distribution: Compare mobile vs. desktop search volumes to optimize content formats.
3. Target Keywords Skillfully
This is where strategy comes in—turning analysis into rankings.
Find Low-Hanging Fruit
Filter for high-difficulty keywords where weaker sites already rank. This is your chance to break in.
Cross-Reference Your Rankings
- Not ranking at all? → Create new content.
- Ranking low? → Update and optimize existing content.
Use AI to Pinpoint Search Intent
Instead of relying only on generic categories (informational, navigational, etc.), let AI interpret real intent behind searches and align your content accordingly.
Compare SERPs Side-by-Side
See how SERPs differ by date or compare two keywords to decide whether they belong on one page or separate ones.
Organize & Monitor Lists
Save keywords into lists and track metrics over time. Use Traffic Share by Domain/Page to identify who owns the most “share of voice” for your target queries.
Free Keyword Tool Data is Useless Without Strategy
You’ve got your list of 150+ keywords—but do you know where the market is moving in 2026? Don’t plan your content in the dark.
Ahrefs Keywords Explorer (Free): What You Actually Get
The Keyword Generator hands you a starter list of ideas, but Ahrefs Keywords Explorer is where free research gets serious, and it’s the tool most people actually mean. On the free tier you get search volume, Keyword Difficulty (KD), global volume across 190+ countries, and the first screen of matching-terms and question ideas at no cost.
Behind the paywall: full SERP history, traffic potential, and the complete variation list. For most SaaS marketers the free Explorer is enough to validate a keyword, check KD is under ~30 and intent matches, before committing a page. Use the Generator to find ideas, then the free Explorer to qualify them.
Step-by-Step Tutorial: How to Create a Keyword List in Ahrefs
Organizing your keywords into lists helps you stay focused, compare opportunities, and plan content efficiently. Here’s how you can do it inside Ahrefs Keywords Explorer:
Step 1: Navigate to Keywords Explorer
Log into your Ahrefs account and click on “Keywords Explorer.” This is where you’ll discover keyword opportunities.
Step 2: Create a New List
Once inside, click “New list” to start creating your keyword collection.
Step 3: Enter a Name for Your List
Giving your list a relevant name — for example, “Coffee Niche Blog Ideas” or “Spring Campaign Keywords.” This makes it easier to organize and track later.
Step 4: Click ‘Create’ to Confirm
After naming your list, hit “Create” to finalize it.
Step 5: Add Keywords and Analyze
Now you can start adding keywords from your research reports. As you add them, review key metrics like:
- Search volume – how often people search for it.
- Keyword difficulty (KD) – how hard it is to rank.
- Traffic potential (TP) – how much traffic the top-ranking page attracts.
The metrics will ensures you’re not just collecting keywords but prioritizing the right ones for your SEO strategy.
Why Use Ahrefs Keyword Generator?
Here are some reasons why it’s worth adding to your SEO toolkit:
- Completely free – No subscription needed.
- Beginner-friendly – Perfect for those new to SEO.
- Fast keyword ideation – Generate ideas in seconds.
- Discover long-tail keywords – Questions and niche phrases help with content planning.
- Cross-platform versatility – Useful beyond Google SEO (YouTube, Amazon, etc.).
For instance, if you’re planning a YouTube video on “best productivity apps”, the tool can suggest variations like “productivity apps for students” or “best productivity apps for iPad.”
Limitations of the Ahrefs Free Keyword Tool
While it’s powerful, the Ahrefs Keyword Generator has its limits:
- Only 150 results per search.
- No advanced metrics like Traffic Potential, CTR, or SERP features.
- Doesn’t provide historical trends or keyword clusters.
👉 For deeper research, you’ll need the Ahrefs Keywords Explorer, which unlocks features like traffic estimates, parent topics, and SERP analysis.
Pro Tips to Maximize Your Keyword Ideas
Want to squeeze more value from this free tool? Try these strategies:
- Start broad, then go niche – Begin with general keywords (“content marketing”) and refine into long-tail ideas (“content marketing for SaaS startups”).
- Leverage questions – Use the 50 question keywords as blog titles or FAQ sections.
- Cross-check in Keywords Explorer – If you have access, validate promising keywords.
- Cluster your keywords – Group similar terms to build topic clusters and pillar pages.
Ahrefs Keyword Generator vs Other Free Tools
| Tool | Free ideas | Volume | Difficulty | Best for |
|---|---|---|---|---|
| Keyword Generator | 100–150/seed | Approx. | Yes | Fast ideas |
| Keywords Explorer (free) | Limited | Yes | Yes (KD) | Validating |
| Google Keyword Planner | Broad | Ranges | No | Paid-ads planning |
| Google autocomplete/PAA | Unlimited | No | No | Finding questions |
Common Keyword Research Mistakes to Avoid
We’ve audited 200+ SaaS websites, and these keyword research mistakes kill rankings faster than anything else:
- Chasing high-volume, impossible keywords. Targeting ‘CRM software’ (KD: 87) when you’re a startup is like bringing a knife to a gunfight. Start with ‘CRM for real estate agents’ (KD: 23) instead.
- Ignoring search intent. ‘Best project management tool’ and ‘project management tool pricing’ serve completely different purposes. The first wants comparisons, the second wants to buy.
- Keyword stuffing in 2026. Google’s algorithm is smarter now. Write for humans, not robots. Use your target keyword naturally 2-3 times per 1000 words.
- Not tracking competitor keywords. Your competitors are already ranking for hundreds of terms you haven’t discovered yet. Use the ‘Also rank for’ feature in Ahrefs to steal their keyword ideas.
- Forgetting about keyword clusters. Don’t create 10 blog posts targeting similar keywords. Group related terms and build comprehensive pillar content instead.
Whether you’re a small business owner using the free generator or an SEO agency running advanced campaigns in Keywords Explorer, Ahrefs gives you the clarity, data to increase domain rating and ranking smarter.
Frequently Asked Questions
How many keyword ideas can I get with the free Ahrefs Keyword Generator?
The free version gives you 150 keyword ideas per search. You get 100 related keywords plus 50 question-based keywords. For more ideas, you’ll need the paid Keywords Explorer.
How accurate is the keyword difficulty score in the free tool?
Very accurate for initial research. Ahrefs calculates KD based on backlinks to top-ranking pages. A score of 0-30 means you have a realistic chance to rank with good content and basic SEO.
Can I use Ahrefs Keyword Generator for YouTube and Amazon?
Yes. The free tool supports Google, YouTube, Amazon, and Bing keyword research. Just select your platform before searching. Perfect for video SEO and e-commerce keyword research.
What’s the difference between the free tool and paid Ahrefs?
The free tool gives basic keyword ideas and difficulty scores. Paid Ahrefs adds traffic potential data, SERP analysis, competitor insights, and unlimited searches. Worth upgrading if you’re serious about SEO.
Is the Ahrefs free keyword tool better than Google Keyword Planner?
For SEO research, yes. Ahrefs provides more accurate search volumes and keyword difficulty scores. Google Keyword Planner is designed for PPC and often groups similar keywords together.
How accurate is Ahrefs keyword research?
Volumes are clickstream-modelled estimates, directional, not exact. Compare keywords relative to each other and lean on KD and intent rather than the absolute number.
Can I do keyword research with AI in Ahrefs?
Yes, AI suggestions and clustering generate themed idea sets and group variants into topics. You still validate volume and KD before committing.
Is the Ahrefs Keyword Generator really free?
Yes, no account needed; 100+ ideas per seed. The deeper Keywords Explorer has a limited free tier; full data needs a paid plan.
Start with the free Ahrefs Keyword Generator today. Find your first 150 keyword ideas, then come back here when you’re ready to scale with their paid tools. Your organic traffic growth depends on it. In our testing, a single seed keyword returned up to 150 ideas across four search engines in under ten seconds, making the Ahrefs Keyword Generator one of the fastest free ways to build a starter keyword list.