CSV & JSON Converter
Seamlessly translate comma-separated data into JSON arrays, and vice-versa.
About the CSV & JSON Converter
Data formatting can be a headache, especially when moving databases between web applications, spreadsheets, and APIs. The OnlinePaste.com CSV to JSON Converter is an incredibly fast, dual-purpose engine that allows you to transform flat spreadsheet data into structured JSON arrays, and vice-versa.
Smart Parsing Technology
Our tool utilizes advanced parsing algorithms that automatically handle the common pitfalls of messy data. It safely navigates nested JSON objects by flattening them into standard CSV columns, converts internal arrays into comma-separated strings, and auto-detects delimiter types.
100% Secure & Local
Dealing with confidential client lists, sales data, or proprietary software logs? You never have to worry about data leaks. This entire conversion process happens locally inside your browser. Your raw data is never uploaded, saved, or transmitted to our servers.