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 utility app simplifies JSON formatting and validation. It offers syntax error highlighting and allows users to type or paste JSON data for easy manipulation and export. Ideal for developers and anyone working with JSON on the go.

JSON Viewer ‎#3

JSON Viewer ‎ by Hrishi Suthar

View and edit JSON
Worth Considering
🔧 Utilities
1.0(1 ratings)
Free
JSON Viewer ‎ screenshot 1
JSON Viewer ‎ screenshot 2
JSON Viewer ‎ screenshot 3
JSON Viewer ‎ screenshot 4

Easily view and edit JSON content with this utility app. It offers fast code access, intuitive navigation, and essential editing tools. Extract JSON data from images and customize text size for a personalized experience.

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 utility helps you format and view JSON strings with clear, readable indentation. It offers both light and dark themes for a comfortable viewing experience.

Pretty print JSONReadable indentationLight mode
📊 Productivity
(4)
free
7
Formatter
Formatter
Formatter
Json Formatter
Free
$2.99 | 100% OFF

This utility app transforms messy JSON data into a clean, readable format. It eliminates the frustration of scrolling and eye strain associated with poorly formatted code, simplifying data analysis.

Seamless JSON formattingTransforms unruly JSONClean, human-readable output
🔧 Utilities
(2)
free
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

This app allows you to view and edit JSON files directly on your device. It offers features like tabbed browsing, split-screen comparisons, and integration with Siri Shortcuts and the Share Sheet for easy JSON parsing and management.

Browse JSON filesTable or syntax highlighted text viewTabbed interface
🛠️ Developer Tools
(378)
free with in-app purchases
11
Structly - JSON Formatter
Structly - JSON Formatter
Structly - JSON Formatter
Beautiful JSON for Safari
Free

This tool enhances your browsing experience by transforming raw JSON data into clear, readable views directly within Safari. It offers effortless formatting, advanced search, and versatile export options, all while prioritizing user privacy with on-device operation and no data collection.

Effortless JSON formattingSyntax highlighting and collapsible sectionsLine numbers for reference
🛠️ Developer Tools
(1)
free
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 app allows developers to import, view, and edit JSON files with syntax highlighting. It offers tree view for clear visualization and supports importing from files or HTTP requests.

Import JSON from Files appImport JSON from HTTP requestTree View for clear visualization
🛠️ Developer Tools
(6)
freemium
14
Json Viewer Simple
Json Viewer Simple
Json Viewer Simple
Json Reader
Free

Easily view and navigate JSON files with features like search, pagination, and large file support. Its intuitive interface is designed for all user levels to enhance productivity when working with JSON data.

Search functionalityPagination for organized viewingSupport for large JSON files
🛠️ Developer Tools
(1)
ad-supported
15
JSON Tools
JSON Tools
JSON Tools
JSON Viewer and Formatter
$0.99
$2.99 | 67% 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

Easily open, search, and manage JSON files directly from other applications on your iPhone or iPad. Convert your JSON data to PDF, archive files, and share or print them with ease.

Open JSON files from other appsJSON to PDF converterArchive JSON files
🔧 Utilities
(111)
free
17
JSON Tools - View Edit
JSON Tools - View Edit
JSON Tools - View Edit
View • Edit • Compare
Free

This app provides developers with tools to view, edit, and compare JSON data. It offers hierarchical tree views, raw text editing with syntax highlighting, advanced search capabilities including JSONPath, and file operations for local and remote JSON files.

Hierarchical tree view with expandable nodesRaw text editor with syntax highlightingAdvanced search with JSONPath support
🛠️ Developer Tools
(0)
free with in-app purchases
18
JSON Editor Mobile
JSON Editor Mobile
JSON Editor Mobile
by VDT LABS S.R.L.
Free

This application allows users to create, visualize, modify, and validate JSON data. It offers both outline and text modes for editing, with features like syntax coloring, auto-indentation, and find/replace functionality. Premium features, including saving documents, are available via a one-time in-app purchase.

View and edit JSON in outline or text modesError-proof manipulation in outline modeSyntax coloring and auto-indentation in text mode
🛠️ Developer Tools
(6)
free with in-app purchases
19
JSONSpruce
JSONSpruce
JSONSpruce
JSON Formatter for Safari
Free

This Safari extension automatically formats raw JSON data encountered on webpages into a readable, syntax-highlighted display. It offers interactive features like collapsible sections and one-tap actions for easy data manipulation and analysis.

Automatic JSON detectionSyntax highlightingCollapsible sections
🛠️ Developer Tools
(0)
free
20
Jeyso: JSON Diff & Formatter
Jeyso: JSON Diff & Formatter
Jeyso: JSON Diff & Formatter
Format, Validate & Beautify
Free
🛠️ Developer Tools
(0)