BracketView: The Clean, Fast, and Feature-Rich JSON Viewer You Need. Free online JSON viewer, formatter, validator, and editor. View JSON in tree structure, format & beautify, validate syntax, compare files. BracketView was built from the ground up to solve common developer headaches. Here’s what makes it different: 1. Zero Distraction & Maximum Space (No Ads) 2. Multiple font options 3. Minimal, clean design 4. Fast & responsive 5. Validate JSON data with Schema