String to CSV Converter

Removes the surrounding quotes from a JSON-escaped string literal and decodes its contents back into raw, ready-to-parse CSV text, the reverse of Convert CSV to a String. A free online tool from Staaarter, right in your browser.

Runs locallyUpdated 2026-07-22

Overview

Introduction

When CSV data has been carried as a quoted string value, reading or reusing it means unwrapping that layer first.

This tool does exactly that.

What Is String to CSV Converter?

An unwrapper that removes a pair of surrounding double quotes and decodes escape sequences, returning the underlying raw CSV text.

It runs entirely client-side as part of this site's String Tools collection, so nothing you paste is ever uploaded to a server.

How String to CSV Converter Works

The tool parses the input with JSON.parse(), which resolves the outer quotes and any escaped characters, and returns the resulting string.

The transformation happens synchronously in JavaScript the moment you type, with no network round trip involved.

When To Use String to CSV Converter

Use it when you've received CSV data wrapped as a JSON string value and need the raw CSV text back.

It's a fast way to get the answer without opening a code editor, a REPL, or writing a one-off script just to check.

Features

Advantages

  • Correctly resolves escape sequences via the native JSON parser.
  • Simple, predictable single-step unwrap.
  • Restores real line breaks from their escape sequences, so a single-line literal expands back into properly separated CSV rows.

Limitations

  • Doesn't parse the CSV into rows; it only recovers the raw text.
  • Handles one string literal at a time, so it cannot unwrap several quoted CSV values in a single pass.

Examples

Unwrapping CSV text

Input

"id,name\n1,Ada"

Output

id,name
1,Ada

The outer quotes are removed and the \n sequence decodes back to a real newline.

Best Practices & Notes

Best Practices

  • Follow up with CSV to JSON if you need the rows parsed into structured data.
  • Unwrap one layer of escaping at a time, checking the result between passes whenever a value has been quoted more than once.
  • Paste the literal complete with its surrounding quotes, since the parser needs them to recognize the value at all.

Developer Notes

Implementation delegates directly to JSON.parse(input), identical to Unquote a String's double-quote path.

String to CSV Converter Use Cases

  • Recovering raw CSV text from a JSON string field
  • Preparing a quoted CSV value for further parsing
  • Debugging a payload that carries CSV as an escaped string

Common Mistakes

  • Expecting the result to already be parsed into rows.
  • Stripping the outer quotes by hand before pasting, which leaves every inner escape sequence unresolved.

Tips

  • Pipe the unwrapped text into CSV to JSON if you need structured rows next.
  • If the result still shows \n instead of real line breaks, the value was escaped twice and needs one more pass.

References

Frequently Asked Questions