Hex Viewer

Inspect any file byte-by-byte with offset, hex, and ASCII — fully in-browser.

Viewer Media & Files Updated Apr 18, 2026
X Facebook LinkedIn Reddit Email
How to Use
  1. Drop or pick a file.
  2. Use the offset / count controls to page through large files.
File
⬡
Drop or
Any file.
bytes
bytes
Hex
Pick a file.

Common magic bytes

PNG
89 50 4E 47 0D 0A 1A 0A
JPEG
FF D8 FF
ZIP / DOCX / JAR
50 4B 03 04 (PK)
PDF
25 50 44 46 (%PDF)
GIF
47 49 46 38 (GIF8)
ELF
7F 45 4C 46

Frequently Asked Questions

File size limit?

Window reads only the requested range, so gigabyte files are fine.

Can I edit?

Read-only view for safety. For edits, download, modify, re-upload.

Common Use Cases

Signature check

Look up magic bytes (e.g. PK → ZIP, 89 50 4E 47 → PNG).

Forensics

Inspect unknown files.

Last updated: