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How to Lookup ASCII & Extended Character Codes (Dec, Hex, Binary, HTML) Online

Interactive, searchable ASCII table chart with real-time character lookup across Decimal, Hexadecimal, 8-bit Binary, and HTML entities.

Saizul Amin
Saizul Amin17 Oct 2026 · 1 min read
How to Lookup ASCII & Extended Character Codes (Dec, Hex, Binary, HTML) Online

Developers, embedded systems engineers, and computer science students frequently need to look up ASCII character codes, hexadecimal equivalents, and HTML entities.

The ASCII Table Viewer on ShobFree provides an instant searchable chart for both Standard (0-127) and Extended (128-255) ASCII characters.

Quick answer

Visit shobfree.com/ascii-table-viewer, type any character, number, or hex code in the live search bar, or toggle between Standard and Extended tabs.

Features

  • Live Multi-Column Search: Search by character symbol, decimal, hex, or binary string.
  • Complete Radix Conversion: Displays Decimal (0-255), Hex (0x41), Binary (01000001), and HTML entity (A).
  • Standard & Extended: Full support for both 7-bit ASCII and 8-bit extended symbols.

Next step

Search character encodings with the ASCII Table Viewer.

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