Based on our record, JSONView seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on Reddit, HackerNews and some other platforms. They can help you identify which product is more popular and what people think of it.
By the way, I recommend using JSONView For better formatting. - Source: dev.to / 6 months ago
JSON Viewer - The most beautiful and customizable JSON/JSONP highlighter that your eyes have ever seen.
JSON Formatter by: jackdalton.org - A Chrome app for formatting JSON.
Sourcegraph for GitHub - Browse and search GitHub like an IDE