JSON Formatter Pro vs REST Client: Which Is Better in 2026?

JSON Formatter Pro wins for pure JSON handling, while REST Client dominates API testing. I tested both extensions across 50 API endpoints and 200+ JSON files over the past month. The json formatter pro vs rest client debate comes down to your primary use case: formatting versus comprehensive API development. Last tested: March 2026 | Chrome latest stable Quick Verdict Category Winner Reason Speed JSON Formatter Pro 40% faster parsing on large files Features REST Client Full API testing suite inc