Best Json Converter Apps

250+ iOS apps curated and reviewed

3.8 avg rating

18 free apps

Updated September 2026

From beginner-friendly picks to power-user tools, our json converter list covers 250+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Json Converter Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	JSON Viewer and Editor	Free	—	No	No	Aug 2026
2	JSON Tools: XLSX CSV to JSON	Free	2.8★ (9)	Yes	No	Jul 2026
3	JSON & CSV Converter	Free	—	No	Yes	May 2026
4	JSON Pilot: Viewer & Editor	Free	—	No	Yes	Sep 2026
5	Json To Table	Free	—	Yes	No	Sep 2026
6	JSON Viewer & Formatter	Free	1.0★ (1)	Yes	Yes	Aug 2026
7	JSON FORMATTER PRO	Free was $2.99	4.9★ (55)	No	No	Jul 2026
8	The Document Converter	Free	4.7★ (5.9K)	No	Yes	Sep 2026

Top Picks for Json Converter

#1

JSON Viewer and Editor by Sahana A S

View, Edit, Format & Convert

Editor's Choice

📊 Productivity

0.0(0 ratings)

Free

JSON Viewer and Editor screenshot 1

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JSON Viewer and Editor screenshot 5

JSON Viewer and Editor screenshot 6

#2

JSON Tools: XLSX CSV to JSON by Muhammad Awais Younas

Convert XLSX CSV & XML to JSON

Strong Contender

📊 Productivity

2.8(9 ratings)

FreeAds

JSON Tools: XLSX CSV to JSON screenshot 1

JSON Tools: XLSX CSV to JSON screenshot 2

JSON Tools: XLSX CSV to JSON screenshot 3

JSON Tools: XLSX CSV to JSON screenshot 4

JSON Tools: XLSX CSV to JSON screenshot 5

JSON Tools: XLSX CSV to JSON screenshot 6

This app transforms data between various formats like XLSX, CSV, XML, and JSON. It offers conversion, validation, viewing, and optimization tools for efficient data management.

#3

JSON & CSV Converter by AlicSystems

csv to json converter

Worth Considering

🔧 Utilities

0.0(0 ratings)

FreeIn-App Purchases

JSON & CSV Converter screenshot 1

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More Json Converter apps to explore

JSON Pilot: Viewer & Editor

JSON Pilot: Viewer & Editor

JSON Pilot: Viewer & Editor

AI · Format · Diff · JSONPath

🛠️ Developer Tools

by khaja hussain

Instantly transform raw JSON data into a clear, organized table format. Easily navigate nested structures, filter rows, and export your data to CSV or Excel. Ideal for developers working with API responses or configuration files.

Convert JSON to table instantlyExpandable nested objects and arraysFilter rows

🛠️ Developer Tools

JSON Viewer & Formatter

JSON Viewer & Formatter

JSON Viewer & Formatter

Validate,Beautify,Compare JSON

Format, validate, and compare JSON data offline on your iPhone or iPad. This tool offers a tree view, search functionality, and custom themes for efficient data management. Export JSON to various formats and handle large files smoothly.

Beautify & Minify JSONImport JSON files or paste from clipboardExport JSON to CSV, XML, YAML

free with in-app purchases

JSON FORMATTER PRO

JSON FORMATTER PRO

JSON FORMATTER PRO

Syntax Error Highlighting

$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

The Document Converter

The Document Converter

The Document Converter

Convert to PDF, DOCX, JPG, etc

Effortlessly transform files into various document and image formats like PDF, DOCX, and JPG. Simply select your input, choose the desired output, and convert in seconds. Save, share, or open your converted files directly in other applications.

Convert to PDF, DOCX, JPG, TXT, and moreSupports dozens of input formatsSave, share, or open converted files

Unzip - zip,rar,7z file opener

Unzip - zip,rar,7z file opener

Unzip - zip,rar,7z file opener

files extractor, compressor

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

📊 Productivity

free with in-app purchases

XML Viewer Converter JSON PDF

XML Viewer Converter JSON PDF

XML Viewer Converter JSON PDF

XML To PDF AI - XML Converter

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

Power JSON Editor Mobile

Power JSON Editor Mobile

Power JSON Editor Mobile

A must have JSON tool for dev

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

🛠️ Developer Tools

free with in-app purchases

Excel to PDF Converter

Excel to PDF Converter

Excel to PDF Converter

by Gale Wolfenbarger

🛠️ Developer Tools

Json Genie: JSON Editor/Viewer

Json Genie: JSON Editor/Viewer

Json Genie: JSON Editor/Viewer

View, Edit & Format JSON Files

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

free with in-app purchases

Format, Convert & Validate

$2.99 | 67% OFF

A comprehensive toolkit for developers to visualize, validate, convert, and generate code from JSON data. It offers features like interactive tree views, schema generation, and code export for multiple programming languages.

Interactive Tree View and JSONPath queryingConvert JSON to XML, CSV, YAML, and moreGenerate type-safe model classes for multiple languages

🛠️ Developer Tools

Jeyso: JSON Diff & Formatter

Jeyso: JSON Diff & Formatter

Jeyso: JSON Diff & Formatter

Master Your Data Structure

🛠️ Developer Tools

Validez et formatez votre JSON

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

Toon json xml yaml PRO

Toon json xml yaml PRO

Toon json xml yaml PRO

all-format converter

🛠️ Developer Tools

JSON Formatter Simple Parsing

JSON Formatter Simple Parsing

JSON Formatter Simple Parsing

Parse JSON Strings and Files

🛠️ Developer Tools

Ripple Copper: Code Parse

Ripple Copper: Code Parse

Ripple Copper: Code Parse

by Shyreek Zyquawn Heyward

FAQ about Json Converter

Are there free json converter apps for iPhone?

Yes — 18 of the top json converter apps we rank are free to download, including JSON Viewer and Editor and JSON Tools: XLSX CSV to JSON.

Does JSON Viewer and Editor have ads or in-app purchases?

JSON Viewer and Editor has no ads and has no in-app purchases, according to its App Store listing as of September 2026.

How many json converter apps are on the App Store?

We track 250+ json converter apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.