FILE TOOL // 025

File Hex Viewer

Inspect a file’s raw bytes in hexadecimal with readable ASCII alongside them. Choose the starting offset and preview length, then download a plain-text hex dump.

Processed locally in your browser

Choose a file to inspect

One file

Drop files here Drop a file to view a selected byte range.

FileSizeType

No files selected.

Start offsetBytes to display

Choose files to begin.0 files

How to use File Hex Viewer

Select Any single file using the file area.
Review the selected filenames and sizes.
Choose any available options and click Create Hex Dump.
Read the findings, then download the Plain-text hex dump.

What this file tool does

Creates a conventional 16-byte-wide hex dump from a real slice of the selected file, including offsets and printable ASCII.

Only the requested byte range is read. Each row contains an eight-digit hexadecimal offset, byte values, and a sanitized ASCII preview.

Your selected files stay in this browser session. The preview is capped at 1 MiB per run to keep the page responsive. Change the start offset to inspect another part.

Supported inputs and limits

The preview is capped at 1 MiB per run to keep the page responsive. Change the start offset to inspect another part.

Item	Support
Input	Any single file
Output	Plain-text hex dump
Processing	Local browser session

Example and practical tips

Practical example

Start at offset 0 to inspect a file header, or move to a known offset reported by another analysis tool.

Tips

Keep an untouched copy of important source files.
Check filenames and sizes before downloading the result.
Use a current desktop browser for the broadest file API support.

Frequently asked questions

How can I use file hex viewer without uploading files?

Choose the requested files in this page and run the tool. Processing happens in your browser, and only the result you download leaves the page.

What does the downloadable plain-text hex dump contain?

It contains the actual result or evidence produced from the selected file bytes and metadata, with the important findings shown on screen as well.

Can I use file hex viewer on a large file?

Browser memory and device speed set the practical limit. Start with a smaller sample if the file is several gigabytes or the device has limited memory.

Does this tool change my original files?

No. Browser file access is read-only here. The tool creates a separate result for download and does not overwrite the selected originals.

Is a clean result a complete security guarantee?

No. The result covers the checks described on this page. Use specialized desktop or forensic software when you need deeper validation.

Related file tools

Binary File Compare MIME Type Detector GZIP File Decompressor File Metadata Privacy Scanner

Result details

Field	Meaning
Primary result	Main finding from the selected files
Download	Plain-text hex dump
Status	Complete only after a real result Blob is created

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