Hex File Viewer

Free

View any file as a hex dump with offsets and ASCII sidebar.

Drag & drop any file here, or

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What is Hex File Viewer?

Updated July 25, 2026

Inspect any file as a classic hex dump. Drag and drop or pick a file to see byte offsets, hex values, and an ASCII sidebar — just like xxd or hexdump in your terminal. Choose 8, 16, or 32 bytes per row, toggle uppercase hex, and copy the full dump with one click. Runs entirely in your browser.

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Why choose Hex File Viewer?

Hex File Viewer provides a quick, browser-based way to inspect binary files as a classic hex dump without needing to install command-line utilities like xxd or hexdump. It allows you to view byte offsets, hex values, and ASCII sidebars instantly by dragging and dropping a file, with customizable row widths and one-click copying. Because it runs entirely in your browser, your files remain local for quick analysis.

Best for

Developers inspecting binary file structures
Quickly viewing file headers without opening a terminal
Analyzing small to medium files in a browser environment

Good to know: Very large files may cause browser performance issues or memory limits, making native desktop tools or command-line utilities more suitable for massive binary analysis.

How to Use Hex File Viewer

Inspect any file as a classic hex dump with byte offsets, hex values, and an ASCII sidebar directly in your browser.

1
Open the hex file viewer tool
Navigate to the online Hex File Viewer in your web browser.
2
Select or drag your file
Drag and drop your file into the tool or use the file picker to upload it.
3
Configure view settings
Choose whether to display 8, 16, or 32 bytes per row and toggle uppercase hex as needed.
4
Inspect the hex dump
Review the generated byte offsets, hex values, and ASCII sidebar just like using xxd or hexdump in a terminal.
5
Copy the full dump
Use the one-click copy feature to instantly copy the complete hex dump to your clipboard.

Estimated time: PT1M

Frequently Asked Questions

What is the Hex File Viewer?

The Hex File Viewer is a web-based utility that lets you inspect any file as a classic hex dump directly in your browser. It displays byte offsets, hex values, and an ASCII sidebar, functioning just like command-line tools such as xxd or hexdump.

How do I use the Hex File Viewer?

You can use the tool by simply dragging and dropping your file onto the page or picking it from your device. Once loaded, you can instantly view the binary contents, customize the layout by choosing 8, 16, or 32 bytes per row, and toggle uppercase hex values.

Is the Hex File Viewer free to use?

Yes, the Hex File Viewer is completely free and requires zero credits to run. Anonymous users get up to 100 uses, while authenticated users can use it up to 400 times.

Is my data secure when viewing files online?

Yes, your data remains completely private because the Hex File Viewer runs entirely in your browser. Your files are processed locally on your device and are never uploaded to any external server.

What browser requirements are needed for this tool?

Because the tool runs entirely client-side in your browser, any modern web browser with JavaScript enabled is sufficient. No special plugins, terminal installations, or downloads are required to start inspecting your files.

Can I copy the hex dump output?

Yes, the tool features a convenient one-click copy button that allows you to copy the full generated hex dump to your clipboard. This makes it easy to paste and analyze your file data elsewhere.

Are there file size limits or advanced features like AI?

The tool focuses strictly on core hex inspection and does not utilize artificial intelligence features. It is designed for fast, straightforward binary file viewing with adjustable row widths and ASCII sidebars.