Best Json Master Apps

209+ iOS apps curated and reviewed

4.4 avg rating
15 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our json master list covers 209+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Json Master

More Json Master apps to explore

4
Jayson
Jayson
Jayson
JSON viewer and editor
Free

Jayson is a versatile JSON viewer and editor, offering features like browsing, editing, and comparing JSON files, Siri Shortcuts, Share Sheet Actions, URL schemes, and more. Unlock additional features like themes, visual appearance customization, and the ability to open more than two tabs with the "Unlock Everything" in-app purchase. Experience simplified JSON management today!

🛠️ Developer Tools
(378)
5
Json Viewer Simple
Json Viewer Simple
Json Viewer Simple
Json Reader
Free

Effortlessly view and manage your JSON files with this intuitive app, featuring search, pagination, and large file support. Download now and boost your productivity when working with JSON files!

🛠️ Developer Tools
(1)
6
JSON FORMATTER PRO
JSON FORMATTER PRO
JSON FORMATTER PRO
Syntax Error Highlighting
Free
$2.99 | 100% OFF

This simple JSON formatting tool provides syntax error highlighting, formatting, and validation, allowing users to easily create and validate JSON data structures on the go. With features like typing, pasting, and exporting JSON, it's a straightforward solution for all your JSON formatting needs.

🔧 Utilities
(55)
7
JSON Viewer - Json file reader
JSON Viewer - Json file reader
JSON Viewer - Json file reader
Json viewer & converter to PDF
$1.99

This application allows users to easily open, search, and manage JSON files on their mobile devices, with features such as converting JSON to PDF, archiving, sharing, and printing. Simply select the JSON file from any application and choose to open it with this app to take advantage of its functionality.

🔧 Utilities
(111)
8
HTTPBot: API & HTTP Client
HTTPBot: API & HTTP Client
HTTPBot: API & HTTP Client
Make Requests, Debug APIs
Free

HTTPBot is a powerful application for managing HTTP requests with advanced features. Simplify your web development tasks with this all-in-one tool for sending and receiving HTTP requests effortlessly. Try it now for seamless HTTP client functionality.

🛠️ Developer Tools
(1.3K)
9
JSON Brace for Safari
JSON Brace for Safari
JSON Brace for Safari
Powerful JSON viewer
Free
$1.99 | 100% OFF

This application turns unreadable JSON responses into beautifully formatted, navigable data structures, allowing users to easily explore and debug JSON data on any webpage. Download for free to access core features, or upgrade to Pro for advanced tools like lightning-fast search and custom expansion levels.

🛠️ Developer Tools
(2)
10
Power JSON Editor Mobile
Power JSON Editor Mobile
Power JSON Editor Mobile
A must have JSON tool for dev
Free

This powerful JSON editor for app and web developers allows for easy viewing, exploring, and validating of JSON files on iOS devices, with features such as tree view, text view with syntax highlighting, and multiple import tools. Try it out and take your JSON editing to the next level with a tool that supports external keyboards and seamless file management.

🛠️ Developer Tools
(10)
11
Dashboard (of JSON Requests)
Dashboard (of JSON Requests)
Dashboard (of JSON Requests)
Dashboard to visualize JSON
Free

This tool allows users to create a personalized dashboard to visualize JSON data, helping them to focus on key information. Users can customize their dashboard to display relevant data, such as sales, weather, or temperature, and keep everything in focus.

🔧 Utilities
(4)
12
JSON Editor Mobile
JSON Editor Mobile
JSON Editor Mobile
by VDT LABS S.R.L.
Free

JSON Editor Mobile is a versatile tool for viewing and editing JSON data on-the-go. With features like outline and text modes, it simplifies the process of creating, validating, and formatting JSON documents. Try it now for seamless JSON editing!

🛠️ Developer Tools
(6)
13
JSON Tools
JSON Tools
JSON Tools
JSON Viewer and Formatter
$0.99
$2.99 | 67% OFF
🛠️ Developer Tools
(1)
14
JSON Navigator
JSON Navigator
JSON Navigator
Beautify JSON output in Safari
$0.99
🛠️ Developer Tools
(2)
15
JSON Tools: XLSX CSV to JSON
JSON Tools: XLSX CSV to JSON
JSON Tools: XLSX CSV to JSON
Convert XLSX CSV & XML to JSON
Free

This application allows users to easily convert, validate, view, and manage JSON files, supporting various data formats including XLSX, CSV, and XML. With its comprehensive tools, users can efficiently handle data conversions, validations, and optimizations, making it ideal for developers, data analysts, and technical professionals.

📊 Productivity
(9)
16
Smart JSON & XML Editor
Smart JSON & XML Editor
Smart JSON & XML Editor
Viewer, Formatter & Tools
Free
🛠️ Developer Tools
(0)
17
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer - JSON Formatter
Free
🔧 Utilities
(0)
18
JSON Formatter Simple Parsing
JSON Formatter Simple Parsing
JSON Formatter Simple Parsing
Parse JSON Strings and Files
Free
🛠️ Developer Tools
(0)
19
JSON Viewer(Pro)
JSON Viewer(Pro)
JSON Viewer(Pro)
View and edit JSON without ads
$2.99
🔧 Utilities
(0)
20
Structly - JSON Formatter
Structly - JSON Formatter
Structly - JSON Formatter
Beautiful JSON for Safari
Free
🛠️ Developer Tools
(1)

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