CSV to JSON Converter – Free Online CSV to JSON Tool
Convert CSV to JSON online for free. Upload a CSV file and instantly generate accurate, well-structured JSON for APIs and apps, with no signup needed.
- 100% Free
- No Registration Required
- Files Stay on Your Device
- Browser-Based Processing
- No Software Installation
- Mobile Friendly
Don't have a file handy?
We'll generate a small sample CSV file you can upload below to see how the converter works.
Input
Drag & Drop your file here
or click to browse
Your converted JSON will appear here
Frequently Asked Questions
Upload your CSV file (.csv) and click Convert to generate the JSON output.
Yes. This online CSV to JSON converter is completely free to use, with no limit on the number of conversions.
Yes. We never see your data. The CSV to JSON conversion is processed locally in your browser and nothing is transmitted to our servers.
You can upload .csv files up to 10MB in size.
Yes. The converted JSON content is shown on the page, where you can copy it or download it as a file.
No. Everything happens in-browser — no desktop software, extension, or account setup required to convert CSV to JSON.
Compatible with all major browsers, including Chrome, Firefox, Safari, and Edge, on desktop or mobile.