FREE · DEVELOPER TOOLS
Hex and ASCII File Viewer.
Inspect a bounded byte window of any local file.
How to use Hex and ASCII File Viewer
Choose the input, adjust settings and generate locally. Inspect the exported result before sharing.
How it works
Inspect a bounded byte window of any local file. Display up to 65,536 bytes. Hex display does not execute file contents. Documents remain on your device.
Example
Choose a local file or use the displayed editable text example.
Questions about Hex and ASCII File Viewer
Is Hex and ASCII File Viewer free, and do I need an account?
Yes. This tool is free to use in your browser without an account. Processing takes place on your device.
What are the limits and what should I check?
20 MiB combined input. Office archives: 1,000 entries and 50 MiB expanded. Excel: 50,000 stored workbook cells; selected sheet maximum 20,000 cells, 2,000 rows and 100 columns. Display up to 65,536 bytes. Hex display does not execute file contents. Review the result before using it in your work.
Is my input sent to a server?
Your input is processed in your browser and is not uploaded by this tool. Files and pasted text are cleared when the page is refreshed. Normal website requests are still required to load the page and its libraries. Read the privacy explanation.