Best Keyword Research Tool

What’s the best keyword research tool?

You’re looking for a way to make money on the internet, and you’ve been told that search engine optimization (SEO) is an effective strategy. You have an idea for a website, and you know it could solve a big problem for people—if only they could find it.

But you’ve heard that SEO can be tricky, and one of the first steps is keyword research. You’ve never done this before, so you’re hoping there’s a resource that can show you how without overwhelming you with jargon.

Thankfully, there are plenty of great tools out there to help you figure out which keywords will work best for your new website. In this post, we’ll go over some of the features to look for in a great keyword tool so that you can identify the perfect program for your needs.

Best Keyword Research Tool

1. SEMrush


SEMrush is not just a keyword tool, it is like the Swiss Army Knife of SEO. Instead of producing a list of keywords, SEMrush suggests 5-10 very specific keywords that your competitors are already using.

Standout features

  • Uncover long-tail keywords and ad group ideas
  • Get yearly keyword trends
  • Worldwide CPC distribution statistics
  • Access to the complete keyword research toolkit
  • Keyword difficulty analysis and organic traffic insights


SEMrush hosts a 7-day free trial of the service. You do need to enter credit card details to get access to the trial, but there are no charges levied if you choose to cancel your subscription within the 7-day trial.

SEMrush has four different pricing plans. The best offers come with annual billing.

  • Pro – A plan for limited budget sites and freelancers, it starts at $99.95 per month and gets billed annually.
  • Guru – SEO agencies and small to mid-sized business will find the features in this plan perfect for the day-to-day management of content sites. Guru starts at $191.62 per month.
  • Business – It is ideal for eCommerce stores and agencies, and opens at $374.95 per month.
  • Enterprise – If you have an extensive content strategy, reaching beyond the capacity of the above solutions, SEMrush can custom fit a plan for your needs.

2. KWFinder

KWFinder keyword research tool

KWFinder is a tool designed by Mangools – a developer known for delivering the best keyword research tools across categories. You can use their beginner guide to get started.

The KWFinder platform makes it easy to find keywords with low SEO difficulty, along with a whole host of other useful features.

Standout features

  • A unique and easy to navigate user interface
  • Find keywords in any language target, anywhere
  • Choose options from the list of powerful keywords
  • Get precise statistics for keyword competition
  • In-depth SERP overview alongside a list of suggestions
  • Use filters to refine the list of keyword suggestions


KWFinder is part of Mangools package that includes 4 other SEO tools. This keyword tool only allows a handful of free searches. Select an annual plan to save up to 40% on any of their 3 subscriptions.

  • Basic – $30 (freelancers and small businesses)
  • Premium – $40 (new startups and blogs)
  • Agency – $80 (eCommerce stores and heavy sites)

3. Ahrefs Keyword Explorer

ahref keyword explorer research tool

Ahrefs is one of the best keyword research tools available for content creators today. The platform provides a broad keyword report to the user and relies on clickstream data to provide unique click metrics.

Standout features

  • Accurate keyword difficulty score
  • 1,000+ keyword suggestions
  • Supported in over 171 countries
  • Click metrics for improving CTR
  • Extensive SERP overview


Ahrefs has four pricing plans. The rates for freelancers, online marketers, mid-sized organizations, and bigger brands start at just $82 per month if you choose an annual payment plan.

They do have a trial offer ($7 for 7 days) on their Lite and Standard subscription plans.

4. Google Keyword Planner

Google keyword planner

Google Keyword Planner is a simple keyword tool option serving up a few basic features. Despite the lack of functionality, however, it’s one of the most accurate sources of keyword data on the market. The data comes directly from Google and the results integrate well with AdSense monetization.

Standout features

  • Locate commercial keywords using “top of page” bid range
  • Accurate search volume directly from Google’s search engine
  • Best choice for business websites


Google Keyword Planner is available for free.

5. GrowthBar


GrowthBar is a great tool for marketers and bloggers who are in a hurry, and want ranking difficulty or keyword suggestions to appear along with their search results.

A unique feature they recently added is content outline generation, you can use it to generate content outlines in one click for your blog or website with keywords, word counts, headers, images, links and more.

It also allows you to explore competitor’s profile featuring – backlink data, organic keywords, Google/Facebook ads info and related insights.

Standout features

  • Generate content outlines with AI
  • Keyword rank tracking
  • Accurate ranking difficulty
  • Long tail keyword suggestions
  • Exportable keyword data
  • On-page word count


GrowthBar offer a free 5-day trial, after which you will be charged based on the plan you choose. The higher-tier plan will let you search unlimited keywords.

  • Pro – $29/month
  • Scale – $79/month

best keyword research tool for youtube

1. TubeBuddy

TubeBuddy is a free browser extension for Google Chrome that works directly alongside YouTube. It’s equipped with a keyword explorer, which helps you find long-tail keywords that will best optimize your video for YouTube. 

The extension also conducts a best practice audit, which ensures your content is following YouTube’s recommendations. It suggests tags for videos and can translate your video’s title and description into other languages. 

Although there’s a free version, TubeBuddy also offers a Pro version for $7.20/month, a Star version for $15.20/month, and a Legend version for $39.20/month. 


Another great keyword tool for YouTube is, which autocomplete data to rank hundreds of YouTube keywords by popularity. Then, it provides comprehensive lists of keywords categorized as keyword suggestions, questions, prepositions, and hashtags. is a great tool to maximize your YouTube SEO efforts, but the free version is limited. You can upgrade to the Pro Basic version for $68/year.

3. VidIQ

VidIQ is another Google Chrome extension that works similarly to TubeBuddy. It mainly helps creators determine the best keywords for improving content searchability. When searching for a keyword, the extension reveals the term’s search volume, competition, overall keyword score, related queries, keyword stats, and the tags from top-ranking videos. 

VidIQ is great for confirming that you’re using the right keywords for your video content. The tool offers a free version, or you can subscribe to their Pro plan for $7.50/month. 

4. YouTube Autosuggest

Another great YouTube keyword tool is simply taking advantage of YouTube autosuggest. After you type a keyword into the YouTube search box, a dropdown menu appears suggesting additional phrases.

These suggested terms come directly from relevant search queries that users have previously searched for, making them a great resource for optimizing your content. 

Although YouTube doesn’t reveal the volumes of these search terms, manually typing in the search box for autosuggestions is tedious but completely free. 

5. Google Trends

Google Trends is another free resource for YouTube keyword research. When searching for keywords, you can narrow the results to only YouTube searches, which is perfect for creators. 

Use Google Trends to compare the relative popularity of keywords, or use its Trends feature to discover new potential topics. 

6. Ahrefs Keywords Explorer

Ahrefs Keywords Explorer pulls from a database of over 640 million YouTube keywords. Part of an all-in-one SEO toolset, the keyword tool provides search volumes for 10 different search engines (including YouTube). 

This tool also includes relevant search phrases that use your keyword, a difficulty score, and a “clicks” metric. However, because the database is so large, Keywords Explorer is priced a bit higher with plans starting at $99/month. 

7. Keyword Keg

Keyword Keg uses your inputted keyword to generate relevant search phrases and data. It presents things like search volume, Google AdWords cost per click, and overall keyword power. 

This tool allows you to view a sample of results for free, but it costs $40-$280/month for a complete package. 

8. Kparser

Kparser is another YouTube keyword search tool that can be used to find keywords and suggestions for long-tail keywords in specific fields. This is an especially great tool for international users as it allows you to generate keywords based on geography or location. 

Kparser’s basic features are free, or you can pay $4.99/month to see all the data.

9. Keywords Everywhere

Keywords Everywhere is another free Google Chrome extension that reveals useful keyword data. This tool calculates a term’s search volume, cost per click, and competitiveness, making it ideal for validating your existing keywords. 

10. Keyword Tool Dominator

A keyword generator tool that’s great for first-timers, Keyword Tool Dominator will return a list of relevant terms that are related to yours. 

Using the free version, you can perform three searches/day. If you’d like unlimited searches, upgrade your plan for a one-time fee of $39.99. 


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