ASCII Converter Online

Inspect Unicode code points, ASCII membership and decimal/hex values. Free ascii converter online, with no installation or account.

Tool capabilities

Input: TXT
Output: TXT · JSON

How to use ASCII Converter

Inspect Unicode code points, ASCII membership and decimal/hex values. This ascii converter works directly in your browser and is free to use without an account.

Paste or open your input in the editor.
Run the tool and inspect the output. If the input is invalid, correct the reported error and run it again.
Copy the result or download it to your device.

ASCII Converter · Example

Input

Hello!

Output

[
  {
    "character": "H",
    "decimal": 72,
    "hex": "U+48",
    "ascii": true,
    "utf8": [
      72
    ]
  },
  {
    "character": "e",
    "decimal": 101,
    "hex": "U+65",
    "ascii": true,
    "utf8": [
      101
    ]
  },
  {
    "character": "l",
    "decimal": 108,
    "hex": "U+6C",
    "ascii": true,
    "utf8": [
      108
    ]
  },
  {
    "character": "l",
    "decimal": 108,
    "hex": "U+6C",
    "ascii": true,
    "utf8": [
      108
    ]
  },
  {
    "character": "o",
    "decimal": 111,
    "hex": "U+6F",
    "ascii": true,
    "utf8": [
      111
    ]
  },
  {
    "character": "!",
    "decimal": 33,
    "hex": "U+21",
    "ascii": true,
    "utf8": [
      33
    ]
  }
]

Inspect Unicode code points, ASCII membership and decimal/hex values.

Usage notes

Inputs and results are processed on this device. Tool content is not sent to a processing server.

ASCII Converter