Small SEO Tools is a legitimate platform offering a range of free SEO tools. It provides tools for keyword research, backlink analysis, plagiarism checking, and more. Many users find it helpful for basic SEO tasks. However, while it offers good free services, its features may not be as in-depth or powerful as premium SEO tools like SEMrush or Ahrefs. For small businesses or beginners, it's a useful starting point. You can get valuable insights, but for more advanced SEO needs, you might need to consider other options. Small SEO Tools is a good choice for basic SEO tasks.