JSON / CSV Data Converter

Reliably convert JSON, CSV, and TSV with type inference, nested values, and formula-injection protection

Import file

Delimiter

First row is headerInfer number/boolean/nullEmpty cells as null

Input

Output

Parsing and conversion happen locally in your browser; files are never uploaded. Supports RFC 4180 quoting, embedded newlines, CSV/TSV/semicolon/pipe delimiters, and prefixes formula-like cells with an apostrophe while preserving ordinary negative numbers.

About JSON / CSV Data Converter

Reliably convert JSON, CSV, and TSV with type inference, nested values, and formula-injection protection.

No installation is required and input is not permanently stored. Encoding, formatting, image and QR tools run locally in your browser; only network lookups connect to their respective services.