JSON Master: Editor & Viewer

Contains adsIn-app purchases
Content rating
Everyone
1+
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Content rating
Everyone
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About this app

JSON Master is a professional JSON Formatter / Viewer / Converter for developers (offline iOS tool).
Three key points upfront: 100% offline processing, privacy-safe, large file support — your data is never uploaded to any server.

Core Features (Developer Favorites):

JSON Formatter & Beautifier: One-click format/beautify/minify, with syntax highlighting support.
JSON Viewer: Tree View / Text views for clear structure visualization.
JSON Validator: Instant syntax error detection (with line numbers) for quick API response debugging.
Fast Converter: Bidirectional JSON ↔ CSV / XML / Excel (.xlsx) conversion.
Large File Support: Smoothly open and edit large files.
Import Anywhere: Import from Clipboard / Files for debugging anytime.

Why Choose JSON Master?

• Privacy First: All formatting, validation, and conversion happen locally on your device.
• Focused & Distraction-Free: Clean interface with no redundant steps, perfect for quick data inspection and fixing.
JSON to CSV, XML, Excel Tool
Updated on
Aug 11, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Financial info and Device or other IDs
  • Data is encrypted in transit
  • You can request that data be deleted
Content rating
Everyone
In-App Purchases
Learn more

App support

About the developer
天津伊路索信息技术有限公司
info@rkvpxdr.com
中国 天津市宝坻区 宝坻区京津中关村科技城西环北路1号协同发展中心1号楼353-5室 邮政编码: 301800
+86 158 2251 7438

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