CSV ↔ JSON Converter
Move data between spreadsheets, APIs and scripts without uploading files. Paste CSV to generate typed JSON, or paste an object array to create clean CSV with escaping.
input.csvdelimiter: ,
output.json
runtime
Browser-local execution
Inputs stay inside the current tab unless you copy, download or explicitly export.
memory
Session handoff
Magic Paste can pass input to a target tool through sessionStorage, never through the URL.
control
User-owned state
Favorites, recent tools and workflow history are local browser data you can clear from the browser.
smart handoff graph
session handoff readySuggested next moves
/json
JSON Repair
Fix common JSON-ish mistakes from AI output, logs and copied configs.
/json
JSON Schema Generator
Infer JSON Schema from sample objects and arrays.
/json
JSONPath Query
Query nested JSON with JSONPath-style selectors and copy matched values.
/json
JSON Formatter
Format, validate, and minify JSON in your browser.
sponsor
Sponsor this toolFixed native slots for developer products. No third-party tracking, no popups, no layout shift.
01
How to use
- 01Choose CSV -> JSON or JSON -> CSV.
- 02Paste your source data and adjust the delimiter when needed.
- 03Copy the converted output from the right panel.
02
FAQ
- Does it handle quoted CSV fields?
- Yes. The parser supports quoted cells, escaped quotes and multi-character rows with common delimiters.
- Is the file uploaded?
- No. Conversion runs in your browser memory and never sends data to a server.
03
Related tools
- /json→JSON RepairFix common JSON-ish mistakes from AI output, logs and copied configs.
- /json→JSON Schema GeneratorInfer JSON Schema from sample objects and arrays.
- /json→JSONPath QueryQuery nested JSON with JSONPath-style selectors and copy matched values.
- /json→JSON FormatterFormat, validate, and minify JSON in your browser.