Konwertuj CSV na JSON

Free online CSV to JSON converter. Fast, secure, no signup required.

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Accepted: CSV files · Max 100 MB per file

csv json

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Need to convert CSV to JSON? MegaConvert makes it easy. Upload your Comma-Separated Values (CSV) file and get a JavaScript Object Notation (JSON) file in seconds β€” no software to install, no signup required. Whether you need this conversion for data analysis, office work / email attachments, our online converter handles it instantly. Free for files up to 25MB, with support for larger files up to 2GB.

How to Convert CSV to JSON Online

  1. 1
    Upload your CSV file

    Click the upload area or drag and drop your CSV file. Files up to 25MB are free. Larger files are supported with pay-per-use.

  2. 2
    Choose JSON as output format

    JSON is automatically selected on this page. You can adjust conversion settings if needed.

  3. 3
    Click Convert

    Hit the Convert button to start processing. Your file will be converted using our high-performance servers.

  4. 4
    Download your JSON file

    Once conversion is complete, click Download to save your new JSON file. Free files are available for 1 hour.

Why Convert CSV to JSON?

  • **Optimized for web** β€” JSON is designed for web use, offering faster loading times and better browser support.
  • **Reduce file size** β€” Converting between formats can significantly reduce file size, making files easier to share via email or cloud storage.
  • **Software requirements** β€” Your software or platform may require JSON format specifically. Converting ensures full compatibility.

CSV vs JSON β€” Format Comparison

Feature CSV JSON
Full Name Comma-Separated Values JavaScript Object Notation
Developer N/A Douglas Crockford
First Released 1972 2001
Category Spreadsheet Web
Extension .csv .json
MIME Type text/csv application/json

Nested data structures may flatten when converting to CSV.

About CSV Format

Simple text format for tabular data where values are separated by commas.

Full name: Comma-Separated Values

Developer: N/A (1972)

About JSON Format

Lightweight data interchange format that is easy for humans and machines to read and write.

Full name: JavaScript Object Notation

Developer: Douglas Crockford (2001)

NajczΔ™Ε›ciej Zadawane Pytania

Upload your CSV file to MegaConvert.io, select JSON as the output format, and click Convert. Your converted file will be ready to download in seconds. No software installation required.
Yes! Files up to 25MB can be converted for free, up to 3 times per day. For larger files, pay-per-use pricing starts at just $2 for files up to 100MB.
Absolutely. All uploaded files are encrypted in transit (HTTPS), scanned for viruses, and automatically deleted after conversion. We never share or access your files.
Free users can convert files up to 25MB. Pay-per-use supports files up to 2GB. Subscribers get up to 2GB with priority processing.
Simple text format for tabular data where values are separated by commas. Developer: N/A (1972).
Lightweight data interchange format that is easy for humans and machines to read and write. Developer: Douglas Crockford (2001).