Best Json Editor Apps

219+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated May 2026

Out of 219+ json editor apps on iOS, 20 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 Editor

JSON Tools - View Edit#1

JSON Tools - View Edit by OKAN KAYCI

View β€’ Edit β€’ Compare
Editor's Choice
πŸ› οΈ Developer Tools
0.0(0 ratings)
FreeAdsIn-App Purchases
JSON Tools - View Edit screenshot 1
JSON Tools - View Edit screenshot 2
JSON Tools - View Edit screenshot 3
JSON Tools - View Edit screenshot 4
JSON Tools - View Edit screenshot 5
JSON Tools - View Edit screenshot 6

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.

Koder Code Editor#2

Koder Code Editor by Reny Mustika

(S)FTP, Dropbox, Webdav, SSH
Strong Contender
πŸ› οΈ Developer Tools
4.6😐(9.3K ratings)
Free
#27in Developer Tools
Koder Code Editor screenshot 1
Koder Code Editor screenshot 2
Koder Code Editor screenshot 3
Koder Code Editor screenshot 4

A powerful code editor for mobile devices, offering syntax highlighting for over 80 languages, remote file access, and a built-in terminal. Perfect for developers who need to code on the go with a well-designed interface.

What We Love

  • πŸš€ Great for coding on the go
  • πŸ‘ Clean and intuitive UI
  • πŸš€ Efficient file management
  • πŸš€ Supports multiple file formats

Room to Improve

  • πŸ› Crashes and stability issues
  • πŸ› Bugs when switching between apps
  • πŸ› File corruption and data loss
Jayson#3

Jayson by Simon B. StΓΈvring

JSON viewer and editor
Worth Considering
πŸ› οΈ Developer Tools
4.5😊(378 ratings)
FreeIn-App Purchases
#74in 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

More Json Editor apps to explore

4
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
5
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
πŸ”§ Utilities
(2)
free
6
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
πŸ› οΈ Developer Tools
(6)
free with in-app purchases
7
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
8
Runestone Text Editor
Runestone Text Editor
Runestone Text Editor
Edit plain text and code
Free
$4.99 | 100% OFF

A powerful plain text and code editor for iPhone and iPad. Offers syntax highlighting, line numbers, find and replace, and extensive customization options for developers and writers.

Syntax highlighting for many languagesCustomizable themes and fontsAdvanced find and replace
πŸ› οΈ Developer Tools
(1.3K)
free with in-app purchases
9
JSON Viewer & Editor
JSON Viewer & Editor
JSON Viewer & Editor
Format, Validate & Convert
Free
πŸ› οΈ Developer Tools
(2)
10
Textastic Code Editor
Textastic Code Editor
Textastic Code Editor
Text, Coding, SFTP Client, SSH
Free
$9.99 | 100% OFF

A powerful text and code editor for mobile devices, offering syntax highlighting for over 80 languages, code completion, and formatting tools. It allows connection to various servers and cloud storage for seamless file management and editing.

Syntax highlighting for 80+ languagesSFTP, FTP, WebDAV, and Dropbox clientBuilt-in SSH terminal
πŸ› οΈ Developer Tools
(2.5K)
subscription
11
Subtext
Subtext
Subtext
Simple, elegant text editor
Free

A straightforward text editor for iPhone and iPad, allowing direct creation and editing of files within iCloud. It offers advanced controls for line endings and character encoding, ideal for on-the-go code or data file modifications.

Direct iCloud file editingNo import/export requiredLine ending control
πŸ› οΈ Developer Tools
(66)
free
12
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
πŸ”§ Utilities
(55)
free
13
PDF Maker : Converter,Scanner
PDF Maker : Converter,Scanner
PDF Maker : Converter,Scanner
Annonate,Scan,Split,Merge,Fax
Free

Transform your device into a powerful PDF creation and management tool. Easily convert various file types, scan documents, merge or split PDFs, and organize your files with robust management options. Share your creations seamlessly through multiple cloud services and export in various formats.

Create PDFs from images, web pages, and rich textScan documents to PDFMerge and split PDF files
πŸ’Ό Business
(3.9K)
free with in-app purchases
14
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
15
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
16
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
17
iEditor – Text Code Editor
iEditor – Text Code Editor
iEditor – Text Code Editor
Best source code editor
Free

A fast and simple text and source code editor for iPhone and iPad. It allows users to create, import, edit, and manage various file types with features like syntax highlighting, search/replace, and export options.

Create and import text/source code filesSyntax highlighting for C, Java, HTMLSearch and replace functionality
πŸ“Š Productivity
(179)
ad-supported
18
Smart JSON & XML Editor
Smart JSON & XML Editor
Smart JSON & XML Editor
Viewer, Formatter & Tools
Free
πŸ› οΈ Developer Tools
(0)
19
Text Editor.
Text Editor.
Text Editor.
A must have text editor
Free

A versatile text editor for managing files on your device and in the cloud. Supports various text formats, rich text editing, and custom fonts. Offers cloud integration and sharing capabilities.

Browse and edit cloud filesSupports TXT, RTF, HTML, CSS, JSRich text editing
πŸ› οΈ Developer Tools
(4.2K)
freemium
20
JSON Viewer, Editor & Format
JSON Viewer, Editor & Format
JSON Viewer, Editor & Format
JSON Viewer and Mobile Editor
Free
πŸ“š Education
(0)

Related searches