Best Json Formatter Pro Apps

210+ iOS apps curated and reviewed

4.3 avg rating
17 free apps
Updated May 2026

Out of 210+ json formatter pro apps on iOS, 17 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Json Formatter Pro

JSON FORMATTER PRO#1

JSON FORMATTER PRO by Creative Greenlight LLC

Syntax Error Highlighting
Editor's Choice
🔧 Utilities
4.9(55 ratings)
Free
JSON FORMATTER PRO screenshot 1
JSON FORMATTER PRO screenshot 2
JSON FORMATTER PRO screenshot 3
JSON FORMATTER PRO screenshot 4
JSON FORMATTER PRO screenshot 5
JSON FORMATTER PRO screenshot 6

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.

More Json Formatter Pro apps to explore

4
JSON Viewer and Editor
JSON Viewer and Editor
JSON Viewer and Editor
View, Edit, Format & Convert
Free
📊 Productivity
(0)
5
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer - JSON Formatter
Free
🔧 Utilities
(0)
6
JSON Formatter
JSON Formatter
JSON Formatter
Pretty Print JSON
Free

This tool helps you format JSON strings into a readable and properly structured format. Try it out to see your JSON data in a clear and organized way, with options for light and dark display modes.

📊 Productivity
(4)
7
Formatter
Formatter
Formatter
Json Formatter
Free
$2.99 | 100% OFF

This application simplifies working with JSON data by transforming messy code into a clean, human-readable format, making it easier to understand and work with. Try it out to say goodbye to frustrating JSON formatting and hello to simplicity!

🔧 Utilities
(2)
8
JSON Formatter Simple Parsing
JSON Formatter Simple Parsing
JSON Formatter Simple Parsing
Parse JSON Strings and Files
Free
🛠️ Developer Tools
(0)
9
Curly: JSON Viewer & Formatter
Curly: JSON Viewer & Formatter
Curly: JSON Viewer & Formatter
JSON Viewer browser extension
Free
🛠️ Developer Tools
(1)
10
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)
11
Structly - JSON Formatter
Structly - JSON Formatter
Structly - JSON Formatter
Beautiful JSON for Safari
Free
🛠️ Developer Tools
(1)
12
JSON Viewer(Pro)
JSON Viewer(Pro)
JSON Viewer(Pro)
View and edit JSON without ads
$2.99
🔧 Utilities
(0)
13
JSONEditor - JSON Viewer
JSONEditor - JSON Viewer
JSONEditor - JSON Viewer
JSON Editor, Formatter
Free

This powerful JSON editor allows developers to import, view, and edit JSON data with ease, featuring syntax highlighting and a clear tree view. Subscribe now to access advanced features and take your JSON editing to the next level.

🛠️ Developer Tools
(5)
14
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)
15
JSON Tools
JSON Tools
JSON Tools
JSON Viewer and Formatter
$2.99
$4.99 | 40% OFF
🛠️ Developer Tools
(1)
16
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)
17
JSON Tools - View Edit
JSON Tools - View Edit
JSON Tools - View Edit
View • Edit • Compare
Free
🛠️ Developer Tools
(0)
18
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)
19
JSONSpruce
JSONSpruce
JSONSpruce
JSON Formatter for Safari
Free
🛠️ Developer Tools
(0)
20
Jeyso: JSON Diff & Formatter
Jeyso: JSON Diff & Formatter
Jeyso: JSON Diff & Formatter
Format, Validate & Beautify
Free
🛠️ Developer Tools
(0)