Best Json Formatter Pro Apps

219+ iOS apps curated and reviewed

4.2 avg rating
18 free apps
Updated July 2026

Out of 219+ json formatter pro apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Json Formatter Pro Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1JSON FORMATTER PROJSON FORMATTER PROFree was $2.994.9★ (55)NoNoMay 2026
2Json Viewer-View and Edit JsonJson Viewer-View and Edit JsonFree4.5★ (46)YesNoJul 2026
3Json Genie: JSON Editor/ViewerJson Genie: JSON Editor/ViewerFree4.0★ (2)YesYesJul 2026
4JSON View : Editor & FormatterJSON View : Editor & FormatterFreeNoNoJul 2026
5JSON Viewer and EditorJSON Viewer and EditorFreeNoNoMay 2026
6JSON FormatterJSON FormatterFree3.5★ (4)NoNoMay 2026
7JSON Viewer ‎JSON Viewer ‎Free1.0★ (1)NoNoMay 2026
8FormatterFormatterFree was $2.995.0★ (2)NoNoMay 2026

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 Genie: JSON Editor/Viewer#3

Json Genie: JSON Editor/Viewer by Tommy Uytterhaegen

View, Edit & Format JSON Files
Worth Considering
🛠️ Developer Tools
4.0(2 ratings)
FreeAdsIn-App Purchases
Json Genie: JSON Editor/Viewer screenshot 1
Json Genie: JSON Editor/Viewer screenshot 2
Json Genie: JSON Editor/Viewer screenshot 3
Json Genie: JSON Editor/Viewer screenshot 4
Json Genie: JSON Editor/Viewer screenshot 5
Json Genie: JSON Editor/Viewer screenshot 6

This app provides a fast and private way to view, edit, compare, and merge JSON files directly on your device. It offers a clear tree structure for browsing, powerful search capabilities, and formatting options without needing an account or cloud upload.

More Json Formatter Pro apps to explore

4
JSON View : Editor & Formatter
JSON View : Editor & Formatter
JSON View : Editor & Formatter
by Gautam Singh Rathor
Free
🛠️ Developer Tools
(0)
5
JSON Viewer and Editor
JSON Viewer and Editor
JSON Viewer and Editor
View, Edit, Format & Convert
Free
📊 Productivity
(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
JSON Viewer ‎
JSON Viewer ‎
JSON Viewer ‎
View and edit JSON
Free

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.

Fast code accessIntuitive navigationCopy, paste, undo, redo
🔧 Utilities
(1)
free
8
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
9
JSON Formatter Simple Parsing
JSON Formatter Simple Parsing
JSON Formatter Simple Parsing
Parse JSON Strings and Files
Free
🛠️ Developer Tools
(0)
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
JSON Utilities
JSON Utilities
JSON Utilities
Easy Tools to Manipulate JSON
Free

This minimalist editor transforms complex JSON into readable code with a distraction-free interface. It offers real-time validation, one-click formatting, and effortless string manipulation, working completely offline across multiple Apple platforms.

Minimalist interfaceOffline functionalityReal-time JSON validation
🛠️ Developer Tools
(2)
free
12
Curly: JSON Viewer & Formatter
Curly: JSON Viewer & Formatter
Curly: JSON Viewer & Formatter
JSON Viewer browser extension
Free

This browser extension automatically formats and highlights raw JSON text on webpages, making it instantly readable and interactive. It's designed to boost productivity for developers by simplifying data inspection and API debugging.

Automatic JSON detectionSyntax highlightingInteractive JSON view
🛠️ Developer Tools
(1)
ad-supported
13
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer - JSON Formatter
Free
🔧 Utilities
(0)
14
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
15
JSON Viewer(Pro)
JSON Viewer(Pro)
JSON Viewer(Pro)
View and edit JSON without ads
$2.99
🔧 Utilities
(0)
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
Power JSON Editor Mobile
Power JSON Editor Mobile
Power JSON Editor Mobile
A must have JSON tool for dev
Free

This app provides a robust JSON editing experience for developers on iOS devices. It allows for easy viewing, exploring, and validating JSON files through a document browser interface and offers both tree and text views with syntax highlighting.

Document browser for file managementTree view for JSON hierarchyText view with syntax highlighting
🛠️ Developer Tools
(10)
free with in-app purchases
18
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
19
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
20
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

FAQ about Json Formatter Pro

What are the best json formatter pro apps for iPhone?
JSON FORMATTER PRO tops our json formatter pro apps ranking as of July 2026, with a 4.9-star average from 55 App Store ratings, and it's free to download.
Yes — 18 of the top json formatter pro apps we rank are free to download, including JSON FORMATTER PRO and Json Viewer-View and Edit Json.
JSON FORMATTER PRO has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 219+ json formatter pro apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app is designed to simplify your JSON formatting needs. It allows you to type or paste JSON data directly into the application. It also provides syntax error highlighting and validation to ensure your JSON is correctly structured.
Key features include syntax error highlighting, which helps identify issues in your JSON code. You can also format JSON, type new JSON structures, paste existing JSON, and export your formatted data. It's great for making JSON data structures on the go and validating their syntax.