Best Json Format Helper Apps

225+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated June 2026

With an average user rating of 4.5★, the json format helper category is one of the App Store's strongest. Browse all 225+ apps we track, sorted so the most loved ones surface first.

Compare top Json Format Helper Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1JSON Format HelperJSON Format Helper$0.39 was $0.99NoNoJun 2026
2Json Viewer-View and Edit JsonJson Viewer-View and Edit JsonFree4.5★ (46)YesNoJul 2026
3JaysonJaysonFree4.5★ (378)NoYesJul 2026
4JSON FORMATTER PROJSON FORMATTER PROFree was $2.994.9★ (55)NoNoMay 2026
5JSON FormatterJSON FormatterFree3.5★ (4)NoNoMay 2026
6Notion: Notes, Tasks, AINotion: Notes, Tasks, AIFree4.8★ (89K)NoYesJul 2026
7Json Genie: JSON Editor/ViewerJson Genie: JSON Editor/ViewerFree4.0★ (2)YesYesJul 2026
8JSON Viewer & EditorJSON Viewer & EditorFree5.0★ (2)NoNoJul 2026

Top Picks for Json Format Helper

Jayson#3

Jayson by Simon B. Støvring

JSON viewer and editor
Worth Considering
🛠️ Developer Tools
4.5😊(378 ratings)
FreeIn-App Purchases
#82in 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

  • 👍 Elegant and intuitive JSON editing interface
  • 🎯 Perfect for FNF mod development and updates
  • 📱 Excellent iOS implementation with native feel
  • 🔧 Powerful JSON manipulation capabilities

Room to Improve

  • 🐛 Frequent crashes and instability issues
  • 🔋 High battery consumption and device heating
  • ❌ Missing search functionality

More Json Format Helper 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
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
6
Notion: Notes, Tasks, AI
Notion: Notes, Tasks, AI
Notion: Notes, Tasks, AI
Plan, organize, track projects
Free

This AI-powered workspace helps you write notes, manage tasks, organize projects, and collaborate with others. It offers features like AI meeting notes and interactive maps to streamline your workflow for personal, student, or professional use.

AI-powered note-taking and summarizationTask and project managementCollaborative workspace
📊 Productivity
(89K)
free with in-app purchases
7
Json Genie: JSON Editor/Viewer
Json Genie: JSON Editor/Viewer
Json Genie: JSON Editor/Viewer
View, Edit & Format JSON Files
Free

This app provides a fast and private way to view, edit, compare, and merge JSON files directly on your device. It offers a clear tree structure for browsing, powerful search capabilities, and formatting options without needing an account or cloud upload.

View JSON in a tree structureEdit JSON data safelyCompare JSON files
🛠️ Developer Tools
(2)
free with in-app purchases
8
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
9
WPS Office-AI Doc, PDF, Sheet
WPS Office-AI Doc, PDF, Sheet
WPS Office-AI Doc, PDF, Sheet
Office Suite with PDF Editor
Free

This AI-powered office suite transforms your device into a smart workspace. Generate presentations from prompts, digitize notes, and analyze documents with an intelligent assistant. Seamlessly sync across devices for efficient workflow.

AI-powered document analysis and summarizationInstant presentation creation from promptsOCR for digitizing notes and business cards
📊 Productivity
(18K)
subscription
10
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
🛠️ Developer Tools
(2)
free
11
Smartsheet: Projects & Teams
Smartsheet: Projects & Teams
Smartsheet: Projects & Teams
Manage Tasks & Work in Sheets
Free

This app provides a dynamic workspace for teams to manage projects, automate workflows, and build solutions using no-code tools. Collaborate, organize tasks, and collect information with ease, all from your mobile device. View work status in real-time and adapt to changing conditions.

Team collaboration on projectsTask and workflow organizationAutomated workflow implementation
💼 Business
(118K)
free with in-app purchases
12
Asana: Work Management
Asana: Work Management
Asana: Work Management
Coordinate work with AI
Free

Manage team projects and individual tasks seamlessly. Organize work to clarify responsibilities, deadlines, and priorities. Collaborate with teammates and track progress from anywhere.

Team project organizationIndividual task managementMultiple project views (list, board, calendar)
💼 Business
(16K)
free with in-app purchases
13
Google Sheets
Google Sheets
Google Sheets
Collaborate on Spreadsheets
Free

Create, edit, and collaborate on spreadsheets from anywhere, anytime. Work offline, format cells, insert formulas, and view charts. Seamlessly edit Excel files and enjoy automatic saving of your work.

Create and edit spreadsheetsReal-time collaborationOffline access
📊 Productivity
(1.8M)
free
14
JSON Tools - View Edit
JSON Tools - View Edit
JSON Tools - View Edit
View • Edit • 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
🛠️ Developer Tools
(0)
free with in-app purchases
15
Json Viewer Simple
Json Viewer Simple
Json Viewer Simple
Json Reader
Free

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.

Search functionalityPagination for organized viewingSupport for large JSON files
🛠️ Developer Tools
(1)
ad-supported
16
JSON Viewer and Editor
JSON Viewer and Editor
JSON Viewer and Editor
View, Edit, Format & Convert
Free
📊 Productivity
(0)
17
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
🛠️ Developer Tools
(6)
freemium
18
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
19
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
20
Lucidchart
Lucidchart
Lucidchart
Flowchart & Diagram Maker
Free

Create and view diagrams like flowcharts, mind maps, and org charts on your mobile device. This visual workspace facilitates real-time collaboration and data visualization. Diagrams sync instantly to your account and can be exported in various formats.

Create and edit diagramsPre-built templatesDrag-and-drop functionality
📊 Productivity
(5.3K)
free with in-app purchases

FAQ about Json Format Helper

Are there free json format helper apps for iPhone?
Yes — 19 of the top json format helper apps we rank are free to download, including Json Viewer-View and Edit Json and Jayson.
JSON Format Helper has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 225+ json format helper apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.