Google Trends
Google Trends is a website by Google that analyzes the popularity of top search queries in Google Search across various regions and languages. The website uses graphs to compare the search volume of different queries over time

Pros:
- - Rising search queries and trends.
- Trends across different regions.
- Product and category seasonality.
Cons:
- - Values are not absolute numbers, instead of indexed numbers.
- Only 5 keywords for the comparison chart.
Price:
Free