Toolbox

Online JSON to Cookie Converter

JSON to CookieCookieHeaderJSON

Convert flat JSON object to Cookie string k=v; k2=v2 with encodeURIComponent encoding, ideal for debugging Set-Cookie and headers.

JSON Object
Cookie String
All processing is done locally, no upload

How to Use

  • Paste any valid JSON, supports nesting, arrays and escapes
  • Click Beautify to auto indent and format
  • Click Minify to remove whitespace into one line
  • All operations run locally for privacy

Related Tools

FAQ

What JSON is required?

Flat object like {"a":"1","b":"2"}; nested objects are JSON stringified.

How are special chars encoded?

Keys and values via encodeURIComponent, space as %20.

Does it support arrays?

No, Cookie is key-value, pass an object.

Will my data be uploaded?

No, local.