Skip to main content
bash TV

More Than a JSON Viewer: Schema, POJO Code, Compare, Query

Udzial (By Gaurav Khurana)

5 views14 Oct 2026

YouTube

Format, validate, compare and convert JSON right in your browser with the Captain JSON extension for Chrome and Edge. No third-party tools needed. In this video you will learn: - How to read messy API responses with Pretty, Minify and Sort Keys - Validate JSON with exact line and column errors, plus Auto Repair - Convert JSON to a table, YAML, XML and JSONL - Compare two JSONs and download a report - Query data with JSONPath and jq - Generate POJO/POCO classes and validate against a JSON Schema - Auto-fix naming case (snake_case, kebab-case) and scan for secrets - Decode JWT tokens, all inside the browser so nothing goes out Chapters 0:00 Read Messy JSON Without Third-Party Tools 0:32 Captain JSON Extension & JSON Data Types 1:43 Pretty, Minify & Sort Keys 2:29 Escape & Stringify JSON 3:11 Validate JSON & Auto Repair 3:41 Convert JSON to Table 4:14 JSON Viewer & Analysis 4:37 Compare Two JSONs 5:03 JSONPath & jq Queries 5:42 JSON to YAML & XML 6:08 Generate POJO/POCO Classes 6:26 JSON Schema Validation 7:09 Fix Naming Case Automatically 7:42 Secret Scanner & JWT Decoder 8:19 JSONL Viewer & Converter Resources mentioned 🧩 Captain JSON (Chrome Web Store): https://chromewebstore.google.com/detail/captain-json-json-viewer/mhnpamnabnkbdboniogidoemihkaclce (The Chrome version can also be installed in Edge.) Watch next ▶️ JSONL explained (used for AI evaluation and testing): https://www.youtube.com/watch?v=NLnJpui8jcc 🎓 Courses: https://gauravkhurana.com/courses 🌐 Website: https://gauravkhurana.com 📅 1:1 mentoring: https://topmate.io/gauravkhurana #SoftwareTesting #JSON #APITesting #CaptainJSON

Join the discussion

Sign in to join the discussion

Sign in