Working with JSON is part of my daily routine — whether debugging APIs, transforming data, or cleaning up messy logs.
Over time, I’ve found a few tools that make this much easier.
Here are my top 5 picks:
1. JSONSwiss – All-in-One JSON Toolbox
My go-to when I need to format, validate, and convert JSON in one place.
- Format & minify large files (tested up to 5MB)
- Validate syntax with error highlighting
- Convert between JSON, XML, CSV, YAML
- Free, no signup, runs in-browser
2. JSONLint – Reliable Validator
Fast and accurate JSON syntax checking.
Great for quick validation before sending data to production.
3. jq – Command-Line Power
Perfect for processing large JSON files in scripts.
- Query, filter, transform
- Super fast and lightweight
4. JSON Editor Online – Visual Editing
Switch between tree view and code view.
Excellent for exploring deeply nested structures.
5. Insomnia – API Debugger
Not just a JSON tool, but great for testing APIs and previewing JSON responses.
My Workflow
- Debug API → Insomnia
- Large data → jq
- Everyday tasks → JSONSwiss
Top comments (0)