CSV is easy to import into an Excel Spread Sheet.There are many reasons you might need the conversion of a JSON file into a CSV file The reason why you would convert a JSON file into a CSV file Large data sets are also often in a CSV format. In most data processing applications, we need CSV format. What is a CSV?ĬSV stands for Comma-separated values and is one of the most popular formats for representing structured data. We use JSON format because it is easy to work with and is simple to deal with JSON data.Īlternative to the JSON format is XML, which was also used in the past and is s till in use. It is one of the standards in, Reading data from a server through API or sending data to the server. JSON stands for JavaScript Object Notation, is a standard format for data representation that is based on JavaSript object Syntax. In this article, We will discuss differnt methods of conversion JSON file into CSV file in Python. But what if that data is in the form of JSON and you want to convert it to a CSV file in Python? Data available for processing are most often in the form of a CSV file. Output: data.json Conversion 100.000 rows completed successfully in 0.When you are working with data in python, you will most frequently see JSON files and CSV files. Print(f'Conversion 100.000 rows completed successfully in seconds') JsonString = json.dumps(jsonArray, indent=4) With open(jsonFilePath, 'w', encoding='utf-8') as jsonf: #convert python jsonArray to JSON String and write to file #load csv file data using csv library's dictionary reader With open(csvFilePath, encoding='utf-8') as csvf: For the test I made 100.000 lines in a csv file with copy/paste, and the whole conversion takes about half a second with Apple's M1 Chip while the presented example took only 0.0005 seconds.ĭef csv_to_json(csvFilePath, jsonFilePath):.You may write the JSON String to a JSON file.

Convert the Python List to JSON String using json.dumps().Add the dictionary to the Python List created in step 1. Read the lines of CSV file using csv.DictReader() function.To convert CSV to JSON in Python, follow these steps:

Python json csv