How to Find and Fix Invalid JSON on Windows
A practical checklist for locating missing commas, unmatched brackets, invalid quotes, and other JSON syntax errors.
Productivity
JSON Viewer and Formatter for Windows
JSON Viewer & Formatter helps developers, analysts, and QA teams format, validate, minify, and convert JSON in a lightweight Windows app.
Official Microsoft Store listing
Windows app
Productivity
Store rating 3.8 / 5 from 16 ratings
Screenshots
See JSON Viewer & Formatter in action
Why it helps
A focused Windows app for a specific job.
- Beautify and minify JSON.
- Validate JSON and find errors quickly.
- Convert JSON to XML or CSV.
- Import and export local files.
FAQ
Common questions
What is JSON Viewer & Formatter?
JSON Viewer & Formatter is a Windows app from Megaish designed to make productivity tasks simpler and faster.
Where can I download JSON Viewer & Formatter?
You can install JSON Viewer & Formatter from the Microsoft Store using the download button on this page.
Practical guides
Learn the workflows behind JSON Viewer & Formatter
Start with a useful answer, then decide whether this Windows app fits your workflow.
JSON Formatter vs Viewer: Which Do You Need?
Learn how JSON formatters, viewers, and validators differ, when to use each one, and how to inspect data without exposing secrets.
How to Convert JSON to CSV on Windows
Convert JSON arrays into clean CSV files on Windows, handle nested data and missing fields, and verify rows before opening a spreadsheet.
Store description
More about JSON Viewer & Formatter
Simplify your JSON workflow with a fast, lightweight, and powerful tool. JSON Viewer & Formatter is your go-to utility for importing, formatting, validating, and converting JSON text. Whether you're a developer, data analyst, or just someone working with APIs or config files, this tool ensures clean, readable output every time. .
Core Features: Validate JSON with automatic error detection Beautify & Minify JSON for readable or compact output Convert JSON to XML or CSV export structured data with one click Import & Export Files with local file integration Color-coded Syntax Highlighting for better readability Error Line Highlighting to quickly find and fix issues Set as Default App for .json, .txt, or .text files Ultra-lightweight & fast no lag, no clutter .
Use Cases: View and validate JSON API responses Convert data formats for reporting and integration Beautify raw JSON from third-party services Inspect and edit config files or code snippets . Why Choose: JSON Viewer & Formatter? No subscription, no ads one-time purchase only Stable, simple, and easy to use . Designed for Windows: users who value speed, simplicity, and reliability .
Perfect For: Developers Analysts Engineers Students QA Testers Anyone working with JSON data
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