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ASCII Text and Code Converter — result sheet
Convert printable ASCII text to decimal, hexadecimal, and binary code values, or decode a short list of ASCII codes back into text.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: For a character c, ASCII code = c's 7-bit code point; for decoding, map each integer 0–127 to its ASCII character. Hex = decimal converted to base 16 and binary = decimal padded to 7 bits.
ASCII is a small, exact character-code contract rather than a general text-encoding guess. This page keeps the direction visible: text mode checks every character against the 7-bit ASCII range, while code mode parses an explicit list of decimal values and reconstructs the corresponding characters. Decimal, hexadecimal, and binary representations are shown together so a copied value can be checked without relying on a hidden character-set conversion.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Operation — 2 choices
- Text or ASCII codes — For decoding, separate decimal codes with spaces or commas; use values 0 through 127.
Worked example
| Input | Value |
|---|---|
| Operation | text-to-codes |
| Text or ASCII codes | Hi! |
H = 72 = 0x48 = 1001000₂; i = 105 = 0x69 = 1101001₂; ! = 33 = 0x21 = 0100001₂.
Assumptions and limits
- The supported character set is standard 7-bit ASCII with values 0 through 127.
- Text-to-code mode rejects characters outside ASCII instead of silently replacing or transliterating them.
- Code-to-text mode accepts decimal integers separated by spaces, commas, or semicolons.
- Control characters are represented with readable escape labels where a raw character would be invisible.
- The calculator is not a UTF-8, Unicode normalization, Base64, or legacy code-page converter.
- The input is bounded so a short conversion remains inspectable in a browser result card.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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