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ASCII Table

Complete ASCII code reference table.

Last reviewed by the Radiatus Cloud team

ASCII Table

Complete ASCII code reference table.

Decimal Hex Octal Char Description

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Reference the full ASCII table

ASCII assigns a number to each basic character, and looking up those codes is a recurring need in programming. This complete ASCII reference table shows every code with its character, so you can find the number for a character or the character for a code.

Why ASCII still matters

ASCII underlies text handling everywhere: it is the basis of character encoding, and its codes appear when you work with bytes, control characters, or low-level text processing. Knowing that a space is 32, a newline is 10, or that the digits and letters occupy contiguous ranges is genuinely useful for parsing, validation and debugging. The control characters, the non-printing codes below 32, are especially worth having a reference for, since they cause invisible bugs. A complete table puts every code at your fingertips.

Every code to hand

It runs entirely in your browser, so nothing you paste is uploaded and the result is yours to copy straight into a project. Because it works client-side, you can use it on private code and data without anything leaving your machine.

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Frequently Asked Questions

What is ASCII?

A standard that assigns a number from 0 to 127 to each basic character, including letters, digits, punctuation and control characters. It underlies text encoding.

What are control characters?

The non-printing codes below 32, like newline (10) and tab (9), which control formatting rather than display. They often cause invisible bugs.

Why is the ASCII table useful?

For parsing, validation and debugging, where knowing a character’s code, or that digits and letters occupy contiguous ranges, is genuinely helpful.

Does it show every code?

Yes. The complete table covers every ASCII code with its character, printing and control alike.

Is it available offline?

Yes. The reference runs entirely in your browser.

Privacy & Security

Local processing.

Data: None
Client-side-Side
Active
v1.0

About This Tool

This tool runs entirely in your browser. No data is sent to any server, ensuring complete privacy. Simply use the interface above to get started — no registration or login required.

Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.