File Hex Viewer

Upload any file to calculate and display its hexadecimal bytes with drag-and-drop, file info and HEX copy/download

File Hex Viewer

Upload any file to calculate and display its hexadecimal bytes with drag-and-drop support

Click or drag a file here to upload

Any file type is supported. Files never leave your device.

Documentation

About File Hex Viewer

This tool reads local files and shows their byte content in hexadecimal format, with drag-drop upload and export actions.

Key Features

File Input: Drag/drop or manual file selection.
Hex Output: Byte content displayed as hex text.
Display Modes: Spaced, compact, and uppercase formats.
File Metadata: Name, size, type, and modified time.
Export Options: Copy hex content or download output.

Steps

Upload a file.
Wait for parsing and inspect hex output.
Switch display format if needed.
Copy or download result.

Use Cases

Quick binary content inspection.
Debugging protocol/firmware/resource files.
Early byte-level checks in security workflows.

FAQ

Why is large file processing slow?

Browser-side parsing of large files can be memory-intensive. Use smaller chunks or dedicated desktop tools.

Can hex output be converted back to the original file?

Yes with matching decode rules and complete content, using suitable reverse-conversion tools.