# JSON Viewer & Editor — Format, Validate & Convert

> Offline JSON viewer, editor, validator, and formatter for developers. (iPhone/iPad app by 志鹏 潘.)

- Source: https://appshunter.io/ios/app/json-viewer-and-editor/id6758266023 (this page in markdown: same URL + `.md`)
- Developer: [志鹏 潘](https://appshunter.io/developer/1140381489)
- Category: Developer Tools, Utilities
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 15.1 · 31 MB
- Languages: American English
- Released: 2026-01-27
- Data updated: 2026-08-08
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/json-viewer-and-editor/id6758266023/reviews.md

## What is JSON Viewer & Editor?

JSON Viewer Editor — A Fast JSON Toolkit

A fast, privacy-first JSON viewer and editor built for developers and data-focused users. View, edit, validate, and format JSON — completely offline.

View & Edit JSON
• Code editor with syntax highlighting
• Collapsible tree view for easy navigation
• Create new files or edit existing ones
• Copy or share instantly

Import JSON Easily
• Paste from clipboard with instant validation
• Load JSON from any URL or API endpoint
• Built-in templates: API response, config, mock data
• Start from scratch with empty files

Powerful JSON Tools
• Validate — detect syntax errors instantly
• Format — beautify with clean indentation
• Minify — compress JSON for production
• Escape — escape or unescape strings

Format Conversion
• JSON ⇄ YAML
• JSON ⇄ XML
• Ideal for API testing and data transformation

File Management
• Save and organize multiple JSON files
• Quickly search and reopen recent files

Privacy First
• No account required
• No tracking or analytics
• Works fully offline
• Your data stays on your device

Whether you’re debugging API responses, editing config files, or learning JSON, JSON Viewer Editor keeps your workflow fast and simple.

## Key features

- Syntax highlighting code editor
- Collapsible tree view
- Offline validation and formatting
- JSON to YAML/XML conversion
- Import from URL/API
- File management and search


## Frequently asked questions about JSON Viewer & Editor

### What can JSON Viewer & Editor do?

JSON Viewer & Editor allows you to view, edit, validate, and format JSON files completely offline. It includes features like syntax highlighting, a collapsible tree view, and conversion between JSON, YAML, and XML.

### Is JSON Viewer & Editor free to use?

Yes, JSON Viewer & Editor is completely free to download and use. It does not have any in-app purchases or advertisements.

### Does JSON Viewer & Editor work offline?

Yes, a key feature of JSON Viewer & Editor is that it works fully offline. Your data stays on your device, and no account or tracking is required.

### What devices does JSON Viewer & Editor support?

JSON Viewer & Editor is available for iPhone, iPad, and iPod. It is designed to run on iOS devices.

### How often is JSON Viewer & Editor updated?

JSON Viewer & Editor was last updated on January 27, 2026, with version 1.0. Future updates will likely continue to improve its functionality and reliability.

### Can I import JSON from a URL with JSON Viewer & Editor?

Yes, you can easily import JSON by pasting from the clipboard, loading from any URL or API endpoint, or using built-in templates.

### What is the age rating for JSON Viewer & Editor?

JSON Viewer & Editor has an age rating of 4+, making it suitable for a wide range of users.

### How does JSON Viewer & Editor handle privacy?

JSON Viewer & Editor is privacy-first, requiring no account, tracking, or analytics. All your data remains on your device.

## Version history (last 1 release)

### 1.0 — 2026-01-27

No release notes.

## Apps similar to JSON Viewer & Editor

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [JSON Prettify](https://appshunter.io/ios/app/json-prettify/id6737413797) | 5.0 (2) | Free | Developer Tools |
| [Terminal File Manager Advanced](https://appshunter.io/ios/app/terminal-file-manager-advanced/id6758665420) | 4.3 (4) | $1.99 | Developer Tools |
| [JSON Tools - View Edit](https://appshunter.io/ios/app/json-tools-view-edit/id6756753329) | 1.0 (1) | Free | Developer Tools |
| [Smart JSON & XML Editor](https://appshunter.io/ios/app/smart-json-and-xml-editor/id6759222253) | — | Free | Developer Tools |
| [JSON Formatter Simple Parsing](https://appshunter.io/ios/app/json-formatter-simple-parsing/id6757746669) | — | Free | Developer Tools |
| [Regex Parse & Replace Dev Tool](https://appshunter.io/ios/app/regex-parse-and-replace-dev-tool/id6757801594) | 5.0 (1) | Free | Developer Tools |

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All apps by 志鹏 潘: https://appshunter.io/developer/1140381489

## Related topics

[json viewer and editor](https://appshunter.io/ios/topics/json-viewer-and-editor) · [yaml tools](https://appshunter.io/ios/topics/yaml-tools) · [json reader](https://appshunter.io/ios/topics/json-reader) · [json viewer](https://appshunter.io/ios/topics/json-viewer)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-08.*