Which delimiters are supported?

Comma, semicolon, and tab — auto-detected with an option to override.

CSV ↔ JSON Converter

100% In-Browser

Convert spreadsheet CSV to JSON arrays and JSON back to CSV — proper quote and delimiter handling.

Input Data0 characters

Transformed Output

Zero Data Collection

Files are processed 100% locally

Instant Client-Side Speed

Zero network upload delays

Free & Unlimited

No registration or credit card needed

Two-Way CSV ↔ JSON Converter

Convert Excel/Google Sheets CSV exports into clean JSON arrays of objects (headers become keys), or flatten JSON back into CSV. Quoted cells, embedded commas, escaped quotes, and custom delimiters (semicolon, tab) are all handled per RFC 4180.

Everything is parsed locally — customer exports and data dumps never leave your device.

Frequently Asked Questions

Everything you need to know about using CSV ↔ JSON Converter safely and efficiently.

Yes — escaped quotes and embedded delimiters inside quoted cells are parsed per the CSV standard (RFC 4180).

Recommended Next Steps

Related Online Utilities

DeveloperPopular

JSON Formatter & Beautifier

Format, indent, and beautify messy JSON with instant error location — 100% in your browser.

Use Tool

Developer

JSON Validator

Validate JSON syntax and pinpoint the exact line and column of any error — locally.

Use Tool

Developer

JSON Minifier

Strip whitespace and newlines from JSON to minimize payload size — instantly, locally.

Use Tool