Both directions
JSON to CSV, or CSV to JSON
Paste data or import a file and convert it either way: JSON into a CSV table, or CSV back into JSON.
Utility / iPhone
JSON to CSV converter that works offline
JSON to CSV Converter is your fast, reliable, and offline-first tool for transforming raw JSON into clean, structured CSV files in seconds.
- Price
- Free
- Size
- 32 MB
- Requires
- iOS 15.1+
- Updated
- Dec 9, 2025
01 — Features01 02 03
What JSON & CSV Converter does
Flattens structure
Nested objects become columns
The converter detects nested objects and arrays and flattens them into clean CSV columns.
On your device
Your data stays on your phone
Conversion happens offline on your device. Save or share the CSV for Excel, Google Sheets or any spreadsheet app.
02 — Workflow
How JSON & CSV Converter works
- 1
Add JSON
Paste it, or import a .json file.
- 2
Convert
The app flattens the structure into a CSV table.
- 3
Export
Save or share the CSV file.
03 — ScreensScreen 01 
Screen 02 
Screen 03 
Screen 04
Can it convert CSV to JSON too?
Yes. Choose JSON to CSV or CSV to JSON on the convert screen.
Does it handle nested JSON?
Yes. It detects nested objects, arrays and mixed structures and flattens them into columns.
Is my data uploaded anywhere?
No. Processing happens offline on your device.
Which apps can open the CSV?
Any spreadsheet app, including Excel, Google Sheets and Numbers.
Is JSON & CSV Converter free?
JSON & CSV Converter is free to download. Some features need a Pro subscription; current prices are shown on the App Store page.
Which devices are supported?
JSON & CSV Converter runs on iPhone with iOS 15.1 or later.
How do I get help?
Email hello@alicsystems.com and tell us which app you're using.
Get JSON & CSV Converter
Free · 32 MB · iOS 15.1+