Encoders & Decoders
ASCII Converter
Convert text to decimal ASCII/Unicode code points or decode code lists back to text. Supports space, comma, or semicolon separators—runs locally in your browser.
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How to use
- Paste text or code points
- Choose Encode or Decode
- Copy the result
Next step
- Binary Converter
Encode UTF-8 text as 8-bit binary strings or decode binary back to text. Useful for learning bit patterns and debugging—runs in your browser.
- Hex Encoder / Decoder
Encode UTF-8 text to hexadecimal bytes or decode hex back to readable text. Accepts spaced, compact, or 0x-prefixed hex—runs locally.
- Unicode Escape / Unescape
Escape non-ASCII characters to JavaScript \u sequences or unescape them back to readable text. Handles BMP and surrogate pairs—runs in your browser.
Frequently asked questions
What separators are supported for decode?
Decode accepts code points separated by spaces, commas, or semicolons (e.g. 72 101 108 108 111).
Does this support emoji and Unicode?
Yes. Encode outputs decimal code points for any Unicode character, not just 7-bit ASCII.
Does my text leave the browser?
No. Conversion runs entirely on your device.