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ASCII Code Lookup Table
Searchable reference for character code numbers.
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About ASCII Code Lookup Table
Search characters, decimal, hex, or binary to read the full ASCII table.
📐 Methodology & Reference Accuracy:
Calculations, formulas, and conversions execute locally in your web browser. Output models are benchmarked against official reference standards and updated for 2026.
🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.
Background reading: Ascii Lookup on Wikipedia. More: all converters.
Frequently Asked Questions about ASCII Code Lookup Table
How do I read an ASCII table entry?
Each entry shows the decimal code, the U+ hexadecimal form and the 8-bit binary value, plus the character name for letters, digits and control characters. Type any character above to look it up.
What are ASCII control characters?
Codes 0 to 31 (plus 127) left over from teletype days: NUL, TAB, line feed, escape and similar. They print no symbol but still move cursors and structure data streams.
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Searchable reference for character code numbers.
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