Prettify Plus od fazorboy

Beautify JSON, YAML, XML, TOML & CSV in your browser.
Formatted view · Tree view · JSONPath search · Type generation · Response diff

Features
Auto-detect JSON, YAML, XML, TOML, CSV in browser tabs
Collapsible tree view with syntax highlighting
JSONPath/XPath search console
Click-to-copy path ($.users[0].name)
TypeScript type generation from data
Response diff — compare current vs. previous visit
Raw/formatted toggle
Chrome + Firefox + Edge (Manifest V3)
Supported Formats
Format Detection Tree View Path Query Diff Type Gen
JSON ✅ ✅ JSONPath ✅ ✅
YAML ✅ ✅ JSONPath ✅ ✅
XML ✅ ✅ XPath ✅ ❌
TOML ✅ ✅ JSONPath ✅ ✅
CSV ✅ Table ❌ ✅ ✅