ASCII Decoder
ASCII Decoder guide
Convert ASCII codes back into text.
Input and limitations
ASCII codes 0–127, including controls; Binary 8-bit additionally accepts 128–255 as direct byte values, not UTF-8. Separate ordinary tokens with whitespace. 3-digit decimal/octal and 7/8-bit binary require their stated widths; no-space HEX and x notation require two HEX digits per character. Packed octal requires three digits per character.
Check the selected options before using the result. Formatting and conversion do not establish that data is safe or suitable for your application.
How to use ASCII Decoder
- Type or paste your codes.
- Choose an input format above.
- The text appears on the right.
- Use the copy button to copy the result.
- Click Clear to empty the input and output; your options stay selected.
Example
In Decimal mode, 65 decodes to A. Match the selected input format to your byte representation.
Privacy on the website
The website uses Blazor Auto: interactive processing can run on the server or in your browser, depending on the current session. Do not assume pasted input stays on your device. Use non-sensitive sample data, and never place passwords, tokens or personal data in page URLs.
Search indexing covers public tool descriptions, not your input or generated output. See the privacy policy for website analytics and other data handling.
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Browse Decoders tools- Base64 Decoder - Convert Base64 text back to its original form.