Best Json Utilities Apps

225+ iOS apps curated and reviewed

3.9 avg rating
16 free apps
Updated May 2026

Looking for free json utilities apps? 16 of our 225+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Json Utilities

JSON Utilities#1

JSON Utilities by ElamParithi Arul

Easy Tools to Manipulate JSON
Editor's Choice
🛠️ Developer Tools
5.0(2 ratings)
Free
JSON Utilities screenshot 1
JSON Utilities screenshot 2
JSON Utilities screenshot 3

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.

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 Utilities apps to explore

4
JSON FORMATTER PRO
JSON FORMATTER PRO
JSON FORMATTER PRO
Syntax Error Highlighting
Free
$2.99 | 100% OFF

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.

Syntax Error HighlightingJSON FormattingType JSON
🔧 Utilities
(55)
free
5
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
6
Simple JSON Reader
Simple JSON Reader
Simple JSON Reader
Simple, convenient JSON Reader
Free

Easily view and understand information from JSON files and web pages. This utility simplifies data presentation, making complex data accessible in a convenient format for various projects and partners.

View JSON filesView JSON from web pagesConvenient data format
🔧 Utilities
(1)
free
7
Curly: JSON Viewer & Formatter
Curly: JSON Viewer & Formatter
Curly: JSON Viewer & Formatter
JSON Viewer browser extension
Free
🛠️ Developer Tools
(1)
8
JSON Tools
JSON Tools
JSON Tools
JSON Viewer and Formatter
$0.99
$2.99 | 67% OFF
🛠️ Developer Tools
(1)
9
JSON Navigator
JSON Navigator
JSON Navigator
Beautify JSON output in Safari
$0.99

This app transforms JSON data into interactive, visualized trees directly within Safari. It offers instant visualization, data type indicators, and easy navigation through complex structures. Customize your viewing experience with light and dark themes.

Instant JSON visualizationInteractive tree-view interfaceData type indicators
🛠️ Developer Tools
(2)
paid
10
JSON Prettify
JSON Prettify
JSON Prettify
Validez et formatez votre JSON
Free

Easily format and validate JSON data with a clean, intuitive interface. Get clear error messages for invalid JSON and switch to a compact view for efficient data exploration. Streamline your JSON workflow with this developer-friendly tool.

Quick and clear JSON formattingDetailed error messages for invalid JSONCompact mode for compressed view
🛠️ Developer Tools
(2)
ad-supported
11
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
12
JSON Viewer(Pro)
JSON Viewer(Pro)
JSON Viewer(Pro)
View and edit JSON without ads
$2.99
🔧 Utilities
(0)
13
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
14
Dashboard (of JSON Requests)
Dashboard (of JSON Requests)
Dashboard (of JSON Requests)
Dashboard to visualize JSON
Free

Create a personalized dashboard to visualize any data you choose. Monitor key metrics like sales, weather, or room temperature with this versatile tool.

Personalized data visualizationCustomizable dashboard layoutMonitor sales and turnover
🔧 Utilities
(4)
free
15
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
16
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer - JSON Formatter
Free
🔧 Utilities
(0)
17
JSON Viewer & Editor
JSON Viewer & Editor
JSON Viewer & Editor
Format, Validate & Convert
Free
🛠️ Developer Tools
(2)
18
DevPocket: Developer Utilities
DevPocket: Developer Utilities
DevPocket: Developer Utilities
Offline Regex, JSON, API Tools
Free
🔧 Utilities
(0)
19
JSON Editor Viewer XML PDF
JSON Editor Viewer XML PDF
JSON Editor Viewer XML PDF
JSON File Editor And Reader
Free

This app allows users to view, edit, and manage JSON, XML, and PDF files in a single platform. It offers features like syntax highlighting, file management, and search capabilities for efficient data manipulation and document review.

Multi-format compatibility (JSON, XML, PDF)Intuitive JSON editingXML data management
🔧 Utilities
(2)
free
20
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)