ASCII Table
Searchable ASCII reference table showing decimal, hex, octal, binary, and character values for codes 0-127.
About This Free Online ASCII Table
Our free online ASCII Table provides a complete reference for all 128 ASCII characters (codes 0-127). Search and filter by character name, code value, or category. See each character's decimal, hexadecimal, octal, binary, and HTML entity values at a glance. Includes control characters (NUL, SOH, STX...), printable characters (space through DEL), and extended descriptions. Essential for developers, students, and anyone working with character encoding. All reference data is built into the page.
Features of Our ASCII Table
- Complete ASCII table (0-127)
- Decimal, hex, octal, and binary values
- Character preview with glyph
- Search by code, name, or category
- HTML entity references
- Control character descriptions
- 100% private — browser-only processing
How to Use the ASCII Table
The ASCII Table works right in your browser — no signup, no installation. Follow these steps:
- Browse the full ASCII table or use the search bar to find specific codes.
- Filter by category: control, printable, digits, uppercase, lowercase, or punctuation.
- Click on any row to highlight and copy code values.
- Use the reference for programming, encoding, or education.
Frequently Asked Questions About ASCII Table
What is ASCII?
ASCII (American Standard Code for Information Interchange) is a character encoding standard for electronic communication. It represents 128 characters using 7-bit binary codes.
How do I use the search?
Type a code number (65), character name (letter A), or category (uppercase) to filter the table in real time.
Why Choose the ASCII Table?
Developers and power users need tools that are exact and private. The ASCII Table runs its logic locally in your browser, returns results instantly, and never transmits your input — handy when you are working with keys, hashes, or data you would rather not paste into a remote service.