# Advanced JSON Viewer — Superior JSON view & format

> Interactive JSON viewer, formatter, and editor for Safari and local files. (iPhone/iPad app by Acrogenesis LLC.)

- Source: https://appshunter.io/ios/app/advanced-json-viewer/id6739271287 (this page in markdown: same URL + `.md`)
- Developer: [Acrogenesis LLC](https://appshunter.io/developer/1784592807)
- Category: Developer Tools, Utilities
- Price: $1.99
- Rating: 3.30/5 from 3 App Store ratings · 5 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 5 MB
- Languages: American English
- Released: 2025-01-06
- Data updated: 2026-08-24
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/advanced-json-viewer/id6739271287/reviews.md

## What is Advanced JSON Viewer?

Advanced JSON Viewer transforms raw JSON data into an elegant, interactive viewing experience right in Safari and now supports opening and saving JSON files directly from your device.
Key Features:
• Open JSON Files: Open and view JSON files from your device with powerful formatting
• Save JSON Files: Edit and save your JSON data directly to your device
• Beautiful JSON Formatting: Instantly transforms unformatted JSON into a clean, readable format
• Syntax Highlighting: Makes JSON structure easily readable with color-coded elements
• Light & Dark Modes: Automatically switches between themes based on your system preferences
• Customizable Themes: Choose from a wide selection of professional color schemes
• Interactive Editor: Edit JSON directly in the browser with the powerful Ace editor
• Settings Toolbar: Quick access to all viewing preferences in one convenient panel
• Adjustable Settings: Customize font size, tab width, and other viewing preferences
• Invisible Characters: Option to display invisible characters for precise editing
• Fast & Efficient: Works instantly on any JSON page or file without slowing down your experience
• Error Detection: Highlights JSON syntax errors as you type
• Toggle Views: Switch between raw and formatted views with a single click
Perfect for developers, QA engineers, API testers, and anyone who works with JSON data. Advanced JSON Viewer makes reading, editing, and saving JSON in Safari and local files a delightful experience.
Built with attention to detail and performance, this app seamlessly enhances your JSON workflow whether you're browsing API responses online or examining and editing local configuration files.
Available as a universal purchase - buy once and use it on Mac, iPhone, iPad, and Vision Pro.

## Key features

- Open and save JSON files
- Beautiful JSON formatting
- Syntax highlighting
- Interactive editor
- Light & dark modes
- Error detection

## Chart rankings

- #176 in Top Paid · Developer Tools (US App Store)

## Recent user reviews (5 of 5)

All indexed reviews: https://appshunter.io/ios/app/advanced-json-viewer/id6739271287/reviews.md

### 3/5 — Can't save in Safari

*2025-05-05*

I get "Error: undefined is not an object evaluating 'response.error')" when saving a JSON file in Safari. I sent you an email using the one in the other review, haven't gotten a response yet.

**Developer response:** Hello, we haven't received an email. Can you send us an email at feedback@browserutils.com We'll gladly solve the bug once we have more info.
Thanks!

### 2/5 — Doesn’t work

*2025-03-12*

Even if I enable the stuff in settings it says to, it keeps telling me to enable it

**Developer response:** Hello, please email us at support@browserutils.com to fix this issue asap.

### 1/5 — Fraude

*2025-02-18, version 1.0*

Esto no es una app. Es una extensión de safari y es un fraude

### 5/5 — Great

*2025-01-21, version 1.0*

Super useful for viewing JSON in Safari! clean, easy and works great

### 5/5 — Very Goog

*2025-01-07*

Easy to use and very helpful. It is a tool that has helped me a lot

## Frequently asked questions about Advanced JSON Viewer

### What is Advanced JSON Viewer?

Advanced JSON Viewer is a tool that transforms raw JSON data into an elegant, interactive viewing experience. It supports opening and saving JSON files directly from your device and works within Safari.

### Does Advanced JSON Viewer have ads?

No, Advanced JSON Viewer does not contain advertisements. It is a paid application with a one-time purchase.

### How much does Advanced JSON Viewer cost?

Advanced JSON Viewer is available for a one-time purchase of $1.99. This purchase allows you to use it on Mac, iPhone, iPad, and Vision Pro.

### What devices is Advanced JSON Viewer compatible with?

Advanced JSON Viewer is a universal purchase and can be used on Mac, iPhone, iPad, and Vision Pro devices.

### Can I edit JSON files with Advanced JSON Viewer?

Yes, Advanced JSON Viewer features an interactive editor powered by the Ace editor, allowing you to edit JSON directly in the browser and save changes to your device.

### Does Advanced JSON Viewer highlight JSON errors?

Yes, Advanced JSON Viewer includes error detection, highlighting JSON syntax errors as you type to help ensure data integrity.

### How often is Advanced JSON Viewer updated?

The latest version, 2.2, was released on May 17, 2025. The app is actively maintained, with updates typically released to improve features and performance.

### What is the age rating for Advanced JSON Viewer?

Advanced JSON Viewer has an age rating of 4+, making it suitable for a wide range of users, including younger individuals who may be learning about data structures.

## Version history (last 5 releases)

### 2.2 — 2025-05-17

- Enhanced JSON Parsing: Improved handling of special characters and encoding issues, especially for non-Latin text like Chinese characters
- Robust Fallback Mechanism: Automatically fetches original content if browser rendering fails, ensuring accurate JSON display
- UI Improvement: Fixed popup width for better usability

### 2.1 — 2025-04-14

• Save JSON: Now you can save your edited JSON directly to your device
• Settings Toolbar: Easily access and adjust all viewing preferences
• Enhanced File Handling: Improved support for opening local files on iOS
• Bug Fixes: Fixed various issues with formatting and file operations

### 2.0 — 2025-04-09

New Feature: Open and view local JSON files directly in the app!

• Added ability to open JSON files from your device
• Use the iOS share dialog to easily send JSON files to the app
• View local JSON files with the same beautiful formatting as web JSON
• Toggle between raw and formatted views of your local files
• Improved UI with better button placement and scrolling for large files
• Enhanced compatibility across all Apple platforms

### 1.1 — 2025-02-20

What's New in Version 1.1:

• Added "Save JSON" button to easily download JSON content
• Fixed a bug where JSON would be parsed from pre elements even when the page contained other content
• Various minor improvements and optimizations

Keep the JSON flowing!

### 1.0 — 2025-01-06

No release notes.

## Apps similar to Advanced JSON Viewer

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Timestamp Conversion Tool](https://appshunter.io/ios/app/timestamp-conversion-tool/id1598277673) | 5.0 (1) | $1.99 | Developer Tools |
| [ParseLab](https://appshunter.io/ios/app/parselab/id6744374600) | — | Free | Developer Tools |
| [Python Sandbox](https://appshunter.io/ios/app/python-sandbox/id6753086808) | 1.0 (1) | $0.99 | Developer Tools |
| [JSON Navigator](https://appshunter.io/ios/app/json-navigator/id6740144978) | 5.0 (2) | $0.99 | Developer Tools |
| [My Styles: Custom Website Look](https://appshunter.io/ios/app/my-styles-custom-website-look/id6766115872) | — | $2.99 | Developer Tools |
| [JSON Highlight Pro for Safari](https://appshunter.io/ios/app/json-highlight-pro-for-safari/id6667105161) | — | $0.99 | Developer Tools |

## More apps by Acrogenesis LLC

- [PG Orbit - Postgres Client](https://appshunter.io/ios/app/pg-orbit-postgres-client/id6746734362)

All apps by Acrogenesis LLC: https://appshunter.io/developer/1784592807

## Related topics

[advanced json viewer](https://appshunter.io/ios/topics/advanced-json-viewer)

---

*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 2026-08-24.*