Best Json Viewer Apps For Developers

202+ iOS apps curated and reviewed

4.0 avg rating
19 free apps
Updated June 2026

Looking for free json viewer apps for developers? 19 of our 202+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Json Viewer Apps For Developers (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1JSON Tools - View EditJSON Tools - View EditFreeYesYesJul 2026
2JSONEditor - JSON ViewerJSONEditor - JSON ViewerFree4.3★ (6)NoYesJul 2026
3Json Viewer SimpleJson Viewer SimpleFree5.0★ (1)YesNoJun 2026
4JSON Brace for SafariJSON Brace for SafariFree was $1.993.0★ (2)NoYesJul 2026
5JaysonJaysonFree4.5★ (378)NoYesJul 2026
6JSON Viewer ‎JSON Viewer ‎Free1.0★ (1)NoNoMay 2026
7App Store ConnectApp Store ConnectFree4.7★ (14K)NoNoJul 2026
8Power AppsPower AppsFree4.9★ (23K)NoNoJul 2026

Top Picks for Json Viewer Apps For Developers

JSON Tools - View Edit#1

JSON Tools - View Edit by OKAN KAYCI

View • Edit • Compare
Editor's Choice
🛠️ 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.

JSONEditor - JSON Viewer#2

JSONEditor - JSON Viewer by 杏娣 吴

JSON Editor, Formatter
Strong Contender
🛠️ Developer Tools
4.3(6 ratings)
FreeIn-App Purchases
JSONEditor - JSON Viewer screenshot 1
JSONEditor - JSON Viewer screenshot 2
JSONEditor - JSON Viewer screenshot 3

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.

Json Viewer Simple#3

Json Viewer Simple by Felipe Reitz

Json Reader
Worth Considering
🛠️ 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 For Developers apps to explore

4
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
🛠️ Developer Tools
(2)
freemium
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
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
7
App Store Connect
App Store Connect
App Store Connect
For App Developers
Free

Manage your apps and submissions directly from your iPhone or iPad. Monitor sales, respond to reviews, manage testers, and generate marketing assets on the go. Receive important notifications about your app's performance and status.

App status and submission managementTester group and build managementSales and trends monitoring
🛠️ Developer Tools
(14K)
free
8
Power Apps
Power Apps
Power Apps
by Microsoft Corporation
Free

Access custom business applications for work or school from any location. This app serves as a portal to a variety of tools, from campus maps and event registration to expense tracking and performance dashboards. Build and share your own low-code apps easily.

Access work or school apps anywhereCustomizable app portalEvent registration tools
💼 Business
(23K)
free
9
Replit: Vibe Code with AI Fast
Replit: Vibe Code with AI Fast
Replit: Vibe Code with AI Fast
Apps, slides, websites, videos
Free

Build and deploy apps, websites, and games directly from your phone. Utilize AI to generate projects from natural language prompts, collaborate in real-time, and host your creations instantly with zero setup. Suitable for both beginners and experienced developers.

Build apps with natural language AIInstant zero-setup hostingReal-time multiplayer collaboration
🛠️ Developer Tools
(20K)
free with in-app purchases
10
iGenapps: Apps made easy
iGenapps: Apps made easy
iGenapps: Apps made easy
DIY apps builder without code
Free

Create professional mobile apps without any coding knowledge. This tool allows you to design, customize, and publish your own app for business, events, or organizations. Enhance customer engagement and promotion with features like push notifications and social media integration.

No-code app developmentCustomizable design and menusSocial media feed integration
💼 Business
(1.5K)
freemium
11
Apple Developer
Apple Developer
Apple Developer
by Apple
Free

Access the latest developer news, features, and videos from Apple. Stay updated on new frameworks and technologies, and catch up on past event content.

Developer news and featuresLatest Apple frameworks and technologiesWWDC videos
🛠️ Developer Tools
(2.1K)
free with in-app purchases
12
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
🛠️ Developer Tools
(2)
free
13
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
14
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
🛠️ Developer Tools
(0)
free
15
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
16
HTML Viewer Pro
HTML Viewer Pro
HTML Viewer Pro
Source Code Viewer
Free

View HTML source code from URLs or directly from Safari. This app offers multi-tab browsing, bookmarking, and search functionality. Customize the display with various themes, fonts, and user agents.

View source code from URLsView source code from Safari shareMulti-tab browsing
🔧 Utilities
(40)
free with in-app purchases
17
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer - JSON Formatter
Free
🔧 Utilities
(0)
18
JSON Master: Editor & Viewer
JSON Master: Editor & Viewer
JSON Master: Editor & Viewer
JSON to CSV, XML, Excel Tool
Free

This offline iOS tool formats, views, validates, and converts JSON data. It supports large files and offers privacy-safe, local processing for developers needing to debug API responses or transform data formats.

Offline JSON formatting and beautifyingTree and text view for JSON visualizationInstant JSON syntax validation
📊 Productivity
(3)
free with in-app purchases
19
HTTPBot: API & HTTP Client
HTTPBot: API & HTTP Client
HTTPBot: API & HTTP Client
Make Requests, Debug APIs
Free

This app allows users to send HTTP/HTTPS requests and connect to WebSockets, making it easy to debug APIs on the go. It supports various response formats, collaboration features, and authentication methods, streamlining API development and testing.

Send HTTP/HTTPS and WebSocket requestsInspect JSON, HTML, and XML responsesImport/export Postman collections
🛠️ Developer Tools
(1.3K)
free with in-app purchases
20
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
📊 Productivity
(146)
free

FAQ about Json Viewer Apps For Developers

Are there free json viewer apps for developers for iPhone?
Yes — 19 of the top json viewer apps for developers we rank are free to download, including JSON Tools - View Edit and JSONEditor - JSON Viewer.
JSON Tools - View Edit shows ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 202+ json viewer apps for developers on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
JSON Tools is currently available for iPhone and iPod devices. It is designed for the iOS ecosystem.
The latest version of JSON Tools was released on May 14, 2026, indicating active development and regular updates. Users can expect ongoing improvements and bug fixes.