The Dewx CSV to JSON Converter is a free online tool that converts CSV data to JSON format and vice versa. Paste your CSV or JSON data, select your delimiter, and convert instantly in your browser. No upload required, supports comma, semicolon, tab, and pipe delimiters. All conversions happen client-side for maximum privacy and speed.
CSV to JSON Converter
Convert CSV to JSON or JSON to CSV. Instant, free, and works in your browser.
FAQ
How do I convert CSV to JSON?
Simply paste your CSV data into the converter above, select your delimiter (comma, semicolon, tab, or pipe), choose whether the first row is a header, and click "Convert." The tool will instantly convert your CSV to a JSON array of objects, with each row becoming a JSON object.
Can I convert JSON back to CSV?
Yes! Switch to the "JSON → CSV" tab, paste your JSON array of objects, select your preferred delimiter, and click "Convert." The tool will generate CSV output with headers from your JSON keys.
What delimiters are supported?
The converter supports comma (,), semicolon (;), tab (\t), and pipe (|) delimiters. This covers the most common CSV formats used in Excel, Google Sheets, and other data tools.
Is my data safe? Do you store uploaded files?
Absolutely safe. All conversions happen entirely in your browser using JavaScript. No data is uploaded to any server, and we do not store or track any of your CSV or JSON content. Your data never leaves your device.
Why use Dewx for data conversion and management?
Beyond simple conversions, Dewx is a complete business operating system that helps you manage contacts, data, and communications from LinkedIn, WhatsApp, Gmail, and more. Automate data flows, sync contacts to CRM, and manage your entire business in one place. Join the beta to unlock powerful automation tools.
Automate Your Data Workflows
Smart Contact Management
Import contacts from CSV, auto-sync from chats, and manage your entire pipeline in one place.
Learn moreAutomate Your Data Workflows
Stop manually converting files. Dewx automates data flows between your tools, contacts, and communications.