5 Free Websites to Discover the Most Searched Keywords Across Platforms

Are you a content creator, marketer, or someone who’s curious about the hottest search trends on Google, social media, or e-commerce platforms? Knowing the most searched keywords and topics can give you a huge edge in creating impactful content, boosting SEO, or targeting the right audience.

In this blog post, we’ll explore five incredible websites that provide insights into popular keywords for free (or with optional premium plans). From search engines to social media and e-commerce platforms, these tools can help you uncover long-tail keywords, search trends, and more.

Let’s get started!

1. ToolXOX.com

ToolXOX.com is a powerhouse of tools that goes beyond just keyword research. ToolXOX.com is a versatile online platform offering over 200 tools designed to meet the needs of SEO professionals, content creators, and e-commerce managers. Its wide-ranging features make it an essential resource for website management and creative tasks.

Features:

• SEO Tools: Discover keywords for search engines like Google, Yahoo, Bing, and Yandex.
• E-commerce Insights: Get trending keywords on platforms such as Amazon, Etsy, Noon, and Snapdeal.
• Social Media Keywords: Explore the hottest topics on platforms like Pinterest, Facebook, YouTube, and TikTok.
• AI Tools: Bonus features like text-to-speech, image upscaling, face swapping, and more.
• Image Editing: The platform includes a free online image editor that enables users to adjust brightness, contrast, hue, and saturation effortlessly. No file uploads are required, ensuring privacy and convenience. Edited images can be downloaded in multiple formats (PNG or JPG) without registration or account creation.

How to Use It:

1. Navigate to the SEO tools section.
2. Select a platform (e.g., Pinterest or Google).
3. Enter your keyword or query.
4. Analyze the results, which include long-tail keywords and popular searches.

Example:
Search for “cake for diet” and receive suggestions like:

• Diet cake recipes
• Cake for Weight Watchers
• Healthy dessert ideas

These keywords are perfect for creating articles, blog posts, or social media captions.

2. TopbubbleIndex.com

TopbubbleIndex.com is a powerful online platform tailored to help users grow and optimize their print-on-demand businesses, especially on Redbubble. With a range of specialized tools, it simplifies graphic design, keyword research, and marketing, making it an essential resource for creators and sellers.

Key Features of TopbubbleIndex:

Automation Tools: Simplifies tasks such as uploading and managing designs on Redbubble and other platforms, saving time and effort

Graphic Design Editor: A free tool designed to help users create custom designs optimized for Redbubble.

Keyword Research Tool: Analyzes a database of over 100 million keywords, enabling users to find the most effective tags and boost search rankings.

Trending Keyword Finder: Offers insights into the latest popular and best-selling keywords, providing inspiration for new designs.

Features of its keyword research tools :

• Keyword Tools: Find keywords for platforms like Amazon, Etsy, Redbubble, and Merch by Amazon.
• Search Engine Integration: Supports Google, Pinterest, Craigslist, and more.
• Analytical Metrics: Includes search volume, competition index, and cost-per-click (CPC) data.

Pro Tip:

Use filters to prioritize keywords with high search volume and low competition to target underserved niches.

Read also:Clone Your Voice for Free: Best 3 AI Tools of 2025

3. TopicMojo.com

TopicMojo offers deep keyword analysis for search engines and social media platforms, making it a favorite among content creators and marketers.

Features of the powerful research tools :

• Topic Model Tool: Generate millions of content ideas around your keyword.
• Search Listener: Stay updated on trending searches in real-time.
• AI-Powered Features: Create article outlines, FAQs, and humanized content suggestions.
• Visual Representation: View keyword ideas as grouped phrases, sentiment analysis, or tree diagrams.

Pricing:

The free plan is robust, you can upgrade for more features for just $10 a month,but you can also grab a lifetime deal on AppSumo for just $60

Example:
Search for “weight-loss pizza” and discover related topics like:

• Low-calorie pizza recipes
• Healthy pizza alternatives
• Can you lose weight while eating pizza?

4. AnswerThePublic.com

AnswerThePublic is an advanced keyword research and audience insight tool designed to help content marketers and SEO experts discover the most relevant questions and topics their audience is searching for. By tapping into Google’s autocomplete data, it generates a detailed list of questions, prepositions, and comparisons related to any given keyword or phrase, empowering users to create content that resonates with their target audience.

Key Features of AnswerThePublic:

Search Filters: Users can refine their searches by filtering results based on question types or sorting them alphabetically, enabling more focused and actionable insights.

Autocomplete Data: By leveraging the autocomplete suggestions from Google and Bing, AnswerThePublic generates search queries based on “seed keywords,” helping users understand what people are actually searching for.

Visual Representation: The tool presents results in an engaging “search cloud,” categorizing queries into segments such as questions, prepositions, and comparisons for easy understanding and exploration.

• Supports Google, Bing, YouTube, Amazon, and Instagram.
• Visualizes data into categories like questions, comparisons, and prepositions.
• No registration is required for up to three daily searches.

Pro Tip:

Use the questions category to find inspiration for blog titles or YouTube videos, such as:

• “What is the best pizza for weight loss?”
• “How to make healthy pizza at home?”

5. KeywordTool.io

KeywordTool.io is a premium tool with free access to basic features, making it perfect for beginners and pros alike.

Features:

• Covers platforms like Google, YouTube, Amazon, Etsy, Instagram, Pinterest, and more.
• Free users can access keyword suggestions (analytics require a premium plan).

Best For:

• Finding the right keywords for video SEO on platforms like YouTube.
• Researching product-specific keywords on Amazon and Etsy.

Tips and Tricks for Keyword Research Success

1. Start Broad, Then Narrow: Use general keywords to discover niche topics with less competition.
2. Leverage Long-Tail Keywords: These are specific phrases that often rank higher and have better conversion rates.
3. Target Low-Competition Keywords: Focus on topics that are in demand but not overly saturated.
4. Use Multiple Tools: Combining data from different tools gives a more comprehensive view of trends.

FAQs

Q: Why is keyword research important?

A: Keyword research helps you understand what your audience is searching for, enabling you to create relevant content that drives traffic and engagement.

Q: Are these tools really free?

A: Yes, most of these tools offer free versions with powerful features. Some also have premium plans for advanced analytics.

Q: Which tool is best for social media keywords?

A: Topbubbleindex and TopicMojo are excellent for finding trending topics and keywords on platforms like Pinterest, TikTok, and YouTube.

Final Thoughts

Keyword research is the backbone of effective content creation and marketing. By using these five websites, you can uncover valuable insights into what people are searching for, whether it’s on search engines, social media, or e-commerce platforms.