Is Hex Dump Viewer free to use?

Yes. The tool is free and runs directly in your browser with no account required.

Does this tool upload my data?

No. Processing happens locally in the browser tab. Your input is not sent to a server.

It is best for hex dump viewer tasks where you need a fast, practical browser utility.

Convert plain text to binary and binary back to readable text.

Generate .dockerignore rules for leaner Docker builds.

Generate .gitignore files from common project templates.

Encode text or files to Base64, or decode Base64 strings back to text.

Convert Unix permissions between rwx and octal notation.

Build a starter Content Security Policy header.