What are the types of Static Testing tools? And how they are helpful in testing techniques?

What are the types of Static Testing tools? A nd how they are helpful in testing techniques?

The different Static Testing Tools are:-

  1. Informal
  2. Walkthrough
  3. Peer review
  4. Inspection

They are helpful in finding potential defects in the design of the software. It can be used to detect and remove errors and defects in various supporting documents, required in Software Testing.