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Hex Dump Viewer

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Hex Dump Viewer

View any text or file as a hex dump in the classic xxd format — offset address, grouped hex bytes, and printable ASCII characters side by side. Upload a binary file or paste text to inspect raw byte values, search for patterns, and configure the display to match your preferred format.

Cara Penggunaan

Paste text into the input area or upload a file (up to 1 MB). Configure bytes per row (8, 16, or 32), byte grouping, and offset format. Click Generate Dump to view the hex dump. Use the search box to highlight specific hex patterns or ASCII strings in the output, and copy the result to clipboard.

Fitur

xxd-Style Format – Classic hex dump layout: 00000000: 4865 6c6c 6f Hello with offset, hex, and ASCII columns
Unggah Berkas – Upload any binary or text file up to 1 MB for byte-level inspection
Configurable Layout – Choose 8, 16, or 32 bytes per row and group bytes in 1, 2, or 4-byte units
Hex or Decimal Offsets – Display row addresses in hexadecimal (default) or decimal
Pattern Search – Highlight all occurrences of a hex pattern (e.g. 48 65 6c) or ASCII string in the dump
Menyalin ke clipboard – Copy the plain-text dump for use in documentation or debugging
Non-Printable Handling – Characters outside the printable ASCII range (0x20–0x7E) shown as dots in the ASCII column
Hanya Sisi Klien – Files never leave your browser; all processing is local

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What is a hex dump?

A hex dump is a representation of binary data where each byte is shown as its two-digit hexadecimal value alongside the corresponding printable ASCII character. The xxd format adds a byte address (offset) at the start of each row. Hex dumps are used by developers and security researchers to inspect binary files, debug network packets, analyze file formats, examine executable code, and find specific byte patterns in data. The format was popularized by the Unix xxd utility.
Why are some characters shown as dots in the ASCII column?

The ASCII column only displays characters in the printable range (hexadecimal 0x20 to 0x7E, which corresponds to the space character through the tilde ~). Any byte value outside this range — including control characters like newline (0x0A), null (0x00), tab (0x09), and all bytes above 0x7E — is displayed as a dot (.) to keep the column aligned and readable. This convention is standard in all hex dump tools and is why you'll see dots in binary files where non-text data appears.
How do I search for a specific pattern in the hex dump?

Enter your search pattern in the search field before or after generating the dump. For hex patterns, type the byte values as two-digit hex pairs separated by spaces (e.g. FF D8 FF for a JPEG file header). For ASCII text, type the string directly (e.g. Hello). The tool converts your ASCII search term to its hex byte values automatically. All matching occurrences in the dump are highlighted, and the total match count is shown.