Best Json Formatter Apps

228+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated June 2026

If you already know JSON Formatter, this is the deeper bench. 228+ json formatter apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Json Formatter

JSON Formatter#1

JSON Formatter by Robert Surrette

Pretty Print JSON
Editor's Choice
πŸ“Š Productivity
3.5(4 ratings)
Free
JSON Formatter screenshot 1
JSON Formatter screenshot 2
JSON Formatter screenshot 3

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.

Jayson#2

Jayson by Simon B. StΓΈvring

JSON viewer and editor
Strong Contender
πŸ› οΈ Developer Tools
4.5😊(378 ratings)
FreeIn-App Purchases
#76in Developer Tools
Jayson screenshot 1
Jayson screenshot 2
Jayson screenshot 3
Jayson screenshot 4
Jayson screenshot 5

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.

What We Love

  • πŸ‘ Elegant and intuitive JSON editing interface
  • 🎯 Perfect for FNF mod development and updates
  • πŸ“± Excellent iOS implementation with native feel
  • πŸ”§ Powerful JSON manipulation capabilities

Room to Improve

  • πŸ› Frequent crashes and instability issues
  • πŸ”‹ High battery consumption and device heating
  • ❌ Missing search functionality
JSON FORMATTER PRO#3

JSON FORMATTER PRO by Creative Greenlight LLC

Syntax Error Highlighting
Worth Considering
πŸ”§ 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.

More Json Formatter apps to explore

4
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer - JSON Formatter
Free
πŸ”§ Utilities
(0)
5
Scriptable
Scriptable
Scriptable
Automation using JavaScript
Free

Automate tasks on your device by writing custom scripts in JavaScript. Integrate with native iOS features like files, calendars, and reminders. Create personalized widgets for your Home Screen and interact with Siri.

Write and run JavaScriptCreate custom widgetsSiri Shortcuts integration
πŸ› οΈ Developer Tools
(3K)
free with in-app purchases
6
Json Viewer-View and Edit Json
Json Viewer-View and Edit Json
Json Viewer-View and Edit Json
View and edit JSON
Free

This tool offers a professional way to view and edit JSON data. It features real-time syntax highlighting, intelligent formatting, and data validation, with easy file management and sharing.

Real-time syntax highlightingIntelligent formattingPrecise data validation
πŸ”§ Utilities
(46)
ad-supported
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
πŸ”§ Utilities
(2)
free
8
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
πŸ› οΈ Developer Tools
(2)
free
9
JSON Tools - View Edit
JSON Tools - View Edit
JSON Tools - View Edit
View β€’ Edit β€’ 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
πŸ› οΈ Developer Tools
(0)
free with in-app purchases
10
JSON Formatter Simple Parsing
JSON Formatter Simple Parsing
JSON Formatter Simple Parsing
Parse JSON Strings and Files
Free
πŸ› οΈ Developer Tools
(0)
11
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
πŸ”§ Utilities
(1)
free
12
Smart JSON & XML Editor
Smart JSON & XML Editor
Smart JSON & XML Editor
Viewer, Formatter & Tools
Free
πŸ› οΈ Developer Tools
(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
πŸ› οΈ Developer Tools
(6)
freemium
14
JSON Viewer & Editor
JSON Viewer & Editor
JSON Viewer & Editor
Format, Validate & Convert
Free
πŸ› οΈ Developer Tools
(2)
15
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
πŸ› οΈ Developer Tools
(0)
free
16
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
πŸ› οΈ Developer Tools
(10)
free with in-app purchases
17
JSON Dashboard
JSON Dashboard
JSON Dashboard
Dashboard for your API
Free
πŸ› οΈ Developer Tools
(0)
18
XML Viewer Converter JSON PDF
XML Viewer Converter JSON PDF
XML Viewer Converter JSON PDF
XML To PDF AI - XML Converter
Free

This app allows you to view, edit, convert, and validate XML files. It offers AI-powered XML code generation and converts files to PDF and JSON. Enjoy a user-friendly interface and flexible subscription options.

View, edit, and save XML filesConvert XML to PDF and JSONAI-powered XML code generation
πŸ”§ Utilities
(110)
subscription
19
JSON Beautifier - Clean Data
JSON Beautifier - Clean Data
JSON Beautifier - Clean Data
Prettify and format your JSON
Free
πŸ“š Education
(0)
20
JSON Brace for Safari
JSON Brace for Safari
JSON Brace for Safari
Powerful JSON viewer
Free
$1.99 | 100% OFF

This tool automatically formats and navigates JSON data directly within Safari. It offers smart detection, theme switching, and keyboard shortcuts for efficient data exploration. An optional Pro upgrade unlocks advanced features like lightning-fast search and custom expansion.

Automatic JSON formattingExpand/collapse JSON objects and arraysLight and dark theme switching
πŸ› οΈ Developer Tools
(2)
freemium

Related searches