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Best Json Viewer Apps

210+ iOS apps curated and reviewed

3.9 avg rating
19 free apps
Updated May 2026

If you already know Jayson, this is the deeper bench. 210+ json viewer apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.

Top Picks for Json Viewer

Jayson#1

Jayson by Simon B. StΓΈvring

JSON viewer and editor
Editor's Choice
πŸ› οΈ Developer Tools
4.5😊(378 ratings)
FreeIn-App Purchases
#80in 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 Viewer Simple#3

Json Viewer Simple by Felipe Reitz

Json Reader
Worth Considering
πŸ› οΈ Developer Tools
5.0(1 ratings)
FreeAds
Json Viewer Simple screenshot 1
Json Viewer Simple screenshot 2
Json Viewer Simple screenshot 3
Json Viewer Simple screenshot 4

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.

More Json Viewer apps to explore

4
Unzip - zip,rar,7z file opener
Unzip - zip,rar,7z file opener
Unzip - zip,rar,7z file opener
files extractor, compressor
Free

This app is a powerful tool for extracting and compressing various archive file formats. It supports creating encrypted ZIP files, batch compression of media, and offers multiple file transfer options. It also allows viewing and playing a wide range of document, video, and audio types.

Extracts ZIP, RAR, 7Z, TAR, GZIP, and moreCreates encrypted and password-protected ZIP filesBatch compress photos and videos
πŸ“Š Productivity
(53K)
free with in-app purchases
5
JSON Viewer β€Ž
JSON Viewer β€Ž
JSON Viewer β€Ž
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
πŸ”§ Utilities
(1)
free
6
JSON Viewer, Editor & Format
JSON Viewer, Editor & Format
JSON Viewer, Editor & Format
JSON Viewer and Mobile Editor
Free
πŸ“š Education
(0)
7
Koder Code Editor
Koder Code Editor
Koder Code Editor
(S)FTP, Dropbox, Webdav, SSH
Free

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.

Syntax highlighting for 80+ languagesRemote file access (SFTP, Dropbox, WebDAV)Built-in SSH client
πŸ› οΈ Developer Tools
(9.3K)
paid
8
myTextViewer
myTextViewer
myTextViewer
Any File Viewer: Code/Log/Text
Free

Instantly open and view any text, code, or log file. This app offers professional syntax highlighting and line numbers, making it ideal for professionals who need to access and read various file formats on the go. It supports numerous common file types and provides customizable viewing themes.

Open any text, code, or log fileSyntax highlighting for common formatsLine numbers display
πŸ“Š Productivity
(146)
free
9
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
10
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
πŸ› οΈ Developer Tools
(1)
ad-supported
11
Smart JSON & XML Editor
Smart JSON & XML Editor
Smart JSON & XML Editor
Viewer, Formatter & Tools
Free

This app provides developers, testers, and data analysts with a comprehensive mobile toolkit for working with structured data. It offers multiple editing modes, formatting, conversion between JSON and XML, and powerful data manipulation tools for efficient data management on the go.

Multiple editing modes (Tree, Source, List)Syntax highlightingOne-tap format and minify
πŸ› οΈ Developer Tools
(0)
free
12
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
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
πŸ› οΈ Developer Tools
(6)
free with in-app purchases
14
Kodex
Kodex
Kodex
A powerful code editor
Free

An advanced code editor for iOS devices, offering desktop-class features like multi-caret editing, regex search, and syntax highlighting for over 150 languages. It integrates with the Files app and supports external keyboards for a seamless coding experience.

Multi-caret editingRegex search and replaceMinimap for navigation
πŸ› οΈ Developer Tools
(202)
free with in-app purchases
15
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
πŸ”§ Utilities
(111)
free
16
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
17
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer - JSON Formatter
Free
πŸ”§ Utilities
(0)
18
JSON Viewer & Editor
JSON Viewer & Editor
JSON Viewer & Editor
Format, Validate & Convert
Free

This app provides a fast, offline JSON toolkit for developers and data-focused users. It allows you to view, edit, validate, and format JSON files with features like syntax highlighting, tree view, and format conversion.

Syntax highlighting code editorCollapsible tree viewOffline validation and formatting
πŸ› οΈ Developer Tools
(2)
free
19
File Viewer
File Viewer
File Viewer
by Sharpened Productions
Free

Easily open and view over 100 different file types, including documents, images, videos, and archives. Browse files stored on your device or in iCloud Drive. This app also identifies unknown files and displays detailed file information.

Open 100+ file typesBrowse device and iCloud DriveBuilt-in readers for Office, PDF, and images
πŸ”§ Utilities
(3)
free
20
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

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