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Byte Sequence Visualizer

Parse and visualize byte sequences in hex, decimal, binary, ASCII, and base64 formats. Color-coded byte grid shows control, printable, and extended characters. Convert between representations and export formatted output. Runs entirely in your browser — your data never leaves your machine.

bytes hex binary ascii base64 encoding visualizer converter

Published May 31, 2026

All interactive tools run entirely in your browser. Your data never leaves your device.

How It Works

Enter a byte sequence in any supported format (hex, decimal, binary, ASCII, or base64) and see each byte visualized in a color-coded grid. Switch between display formats to view the same data as hex, decimal, binary, octal, or ASCII characters.

Features

  • 5 input formats: hex (space/comma/0x-prefix), decimal, binary, ASCII text, base64
  • 5 display formats: hex, decimal, binary, octal, ASCII
  • Color-coded grid: control characters (red), printable ASCII (green), extended bytes (yellow)
  • Byte details: hover over any byte to see all representations
  • Base64 output: automatic base64 encoding of the byte sequence
  • Configurable separator: space, comma, newline, or none
  • 5 preset examples: ASCII text, HTTP header bytes, RGB colors, UTF-8 bytes, base64 string
  • Private: all processing runs in your browser — no data transmitted

Use Cases

  • Debugging network protocols by inspecting packet bytes
  • Understanding character encoding (ASCII, UTF-8) at the byte level
  • Converting between hex dumps and other byte representations
  • Analyzing binary file headers and magic bytes
  • Learning how data is represented at the lowest level