Best Json Converter Apps

249+ iOS apps curated and reviewed

3.4 avg rating

18 free apps

Updated October 2026

From beginner-friendly picks to power-user tools, our json converter list covers 249+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.

Compare top Json Converter Apps (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	JSON Viewer and Editor	Free	—	No	Yes	Oct 2026
2	JSON Tools: XLSX CSV to JSON	Free	2.8★ (9)	Yes	No	Jul 2026
3	JSON & CSV Converter	Free	—	No	Yes	Oct 2026
4	Unzip - zip,rar,7z file opener	Free	4.6★ (55K)	Yes	Yes	Oct 2026
5	Jeyso: JSON Diff & Formatter	Free	—	No	No	Sep 2026
6	JSON Prettify	Free	5.0★ (2)	Yes	No	Oct 2026
7	Json To Table	Free	—	Yes	No	Oct 2026
8	JSON Viewer & Formatter	Free	1.0★ (1)	Yes	Yes	Aug 2026

Top Picks for Json Converter

#1

JSON Viewer and Editor by Sahana A S

Format, Fix, Diff & Convert

Editor's Choice

📊 Productivity

0.0(0 ratings)

Free

JSON Viewer and Editor screenshot 1

JSON Viewer and Editor screenshot 2

JSON Viewer and Editor screenshot 3

JSON Viewer and Editor screenshot 4

JSON Viewer and Editor screenshot 5

This app allows users to view, edit, format, validate, compare, and convert JSON files with an intuitive interface. It offers features like tree and code views, a smart editor with live validation, and the ability to export to various formats. It also includes an API client and a JSON comparison tool.

#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

0.0(0 ratings)

FreeIn-App Purchases

JSON & CSV Converter screenshot 1

JSON & CSV Converter screenshot 2

JSON & CSV Converter screenshot 3

JSON & CSV Converter screenshot 4

More Json Converter apps to explore

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

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

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 Simple Parsing

JSON Formatter Simple Parsing

JSON Formatter Simple Parsing

Parse JSON Strings and Files

🛠️ Developer Tools

JSON FORMATTER PRO

JSON FORMATTER PRO

JSON FORMATTER PRO

Syntax Error Highlighting

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

Ripple Copper: Code Parse

Ripple Copper: Code Parse

Ripple Copper: Code Parse

by Shyreek Zyquawn Heyward

Format, Convert & Validate

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

Open the 2 GB JSON. Query it.

🛠️ Developer Tools

JSON Formatter Viewer

JSON Formatter Viewer

JSON Formatter Viewer

Beautify, Validate & Tree Data

🛠️ Developer Tools

Simple JSON Reader

Simple JSON Reader

Simple JSON Reader

Simple, convenient JSON Reader

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

JSONPad - JSON Viewer & Editor

JSONPad - JSON Viewer & Editor

JSONPad - JSON Viewer & Editor

View and edit JSON files.

🛠️ Developer Tools

Focal — JSON Viewer

Focal — JSON Viewer

Focal — JSON Viewer

Offline, private & exact

🛠️ Developer Tools

View & Format JSON Object

This app provides a lightweight way to view and format JSON data. It offers features like collapsing nodes, exporting type declarations for various languages, and handling large files efficiently with lazy loading. Seamless system integration and customizable themes enhance the user experience.

JSON tree structure previewExport type declarations (Java, TS, Go)Collapse and expand nodes

🛠️ Developer Tools

JSON Pilot: Viewer & Editor

JSON Pilot: Viewer & Editor

JSON Pilot: Viewer & Editor

AI · Format · Diff · JSONPath

🛠️ Developer Tools

JSON Viewer - Graph Visualizer

JSON Viewer - Graph Visualizer

JSON Viewer - Graph Visualizer

json to interactive graphs

🛠️ Developer Tools

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 offers in-app purchases, according to its App Store listing as of October 2026.

How many json converter apps are on the App Store?

We track 249+ json converter apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.