ConvertOption gives you CSV to JSON conversion in an instant for free. So transform your CSV to JSON online anytime with this best-in-class tool.
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Maximum file size 10 MB. Sign Up free for 100 MB limit + unlimited conversions.

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Simple Steps to Convert Your Files Effortlessly
Drag and drop your file, or click to upload from your device.
Select the output format from our wide range of options.
Click convert, then download your newly formatted file in seconds.
Experience Fast, Free, and Reliable File Conversion
ConvertOption uses the latest technologies so that you can get lightning-fast conversions and save precious time.
This free online tool has a simple and intuitive design that guarantees you a frictionless user experience.
Upload multiple files and then convert them at once. This can save you lots of time and effort than if you had to convert these one after the other.
The best thing about ConvertOption: it is fully browser based. That means you don't have to install any software to enjoy its great tools.
Convert images, videos, and documents just with the click of a button. ConvertOption offers specialized tools for each category.
We can't store or see your files as they are processed directly in your browser - no uploads to our server.
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CSV (Comma-Separated Values) is a plain text file that stores data in rows and columns, with commas separating each value. CSV files are easy to read, lightweight, and widely compatible with spreadsheets and databases.
JSON (JavaScript Object Notation) is a lightweight data format used to store and exchange information using key-value pairs that are easy to read and process in programs and web apps.
You can convert CSV to JSON on Mac easily with ConvertOption's CSV to JSON converter for free. It is fast, secure, reliable and works across all of your devices.
You can convert from csv to json online using ConvertOption. It's free, fast, 100% secure and gives you unlimited conversions.
ConvertOption's CSV to JSON converter uses top notch technology for CSV to JSON conversion. However, the accuracy of the process depends on how clean and consistent your CSV file is. Well-formatted CSVs convert accurately, but issues like missing headers, irregular rows, or special characters may require manual fixes.
The delimiter of this CSV to JSON converter is comma (,), vertical pipe (|) and tab.
100%. We don't upload your files to our servers. So your files do not even leave your device when you use ConvertOption CSV to JSON converter. It keeps your data absolutely secure.
Yes, with ConvertOption's CSV to JSON conversion tool you can convert from CSV to JSON, doesn't matter if it has multiple columns or rows. However, the CSV needs to be properly formatted for accurate conversion.
You may want to convert from CSV to JSON to use the data in web applications, APIs, or programming environments. JSON supports structured and nested data, making it easier for software to read and process compared to flat CSV files.
ConvertOption does not have any file size limit. However, if you are using it as a free user without signing up, you are limited to a file size of 10MB. If you need to convert a larger size file, please check our pricing page to select a plan that works for you.
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