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JSON string decode

Decode a JSON string back to plain text online. Paste a quoted string with \n, \" or \u00e4 in it and get the real line breaks, quotes and letters. Errors point to the line and column. Nothing is uploaded: it runs in your browser.

How to decode a JSON string

  1. 1Paste the JSON string, with its quotes, into the input box
  2. 2Read the unescaped text in the result box
  3. 3Copy it, or fix the input if an error shows
  4. The text with every escape turned into its real character.

What you get

  • Escapes resolved.\n, \t, \" and \uXXXX all come out as the characters they stand for.
  • Nothing is uploaded.The string is decoded by your browser, on your own device.
  • Clear errors.A broken string gives a message with line and column.

What you can do

  • Turn \n and \t into real line breaks and tabs, and \" into a quote mark.
  • Read \uXXXX sequences as the letters they stand for, such as \u00e4 for ä.
  • Make a long single-line string from a log or an API response readable.
  • Copy the result with one click.

Good to know

  • The input must be valid JSON. For a string that means double quotes around it, for example "Hello\nWorld".
  • If the input is not a string but other valid JSON, such as an object or a number, it is shown formatted instead.
  • Single-quoted or unquoted text is not valid JSON and gives an error.
  • Large numbers inside such JSON keep their exact digits.

Questions

How do I unescape a JSON string?

Paste the string, including its double quotes, into the input box. The plain text shows in the result box.

Why do I get an error?

The input is not valid JSON, often because the quotes are missing or a backslash is wrong. The message names the line and column.

Does it handle \u escapes?

Yes. A sequence like \u00e4 becomes ä.

Is my text uploaded?

No. The decoding runs in your browser and nothing is sent.

Related tools

How it works

Small tools that run in your browser.

Four steps

  1. Start with a file or a task

    Drop a file, search, or pick a task.

  2. The tool opens in a window

    Open as many as you like, side by side as tabs.

  3. Results collect on the right

    Drag a result into the next tool.

  4. Save when you're done

    Saved files go to your downloads.

Who uses what

Tool sets for common jobs.

Put a tool on your home screen

The icon opens that tool, like an app.

iPhone and iPad

  1. Open the tool in Safari.
  2. Tap Share (the square with the arrow).
  3. Choose “Add to Home Screen”, then Add.

Android

  1. Open the tool in Chrome.
  2. Tap the menu (⋮) at the top right.
  3. Choose “Add to Home screen” or “Install app”.

Computer

  1. Open the tool in Chrome or Edge.
  2. Click the install icon in the address bar.
  3. Choose Install.

Skills

Claude skills we use ourselves, one job each.