jarvisbox

Binary Viewer

View the raw binary (0s and 1s) representation of any file — inspect magic bytes and byte patterns.

100% client-side · files never leave your device

How to use

  1. Click the file picker and select any file from your device.
  2. Choose how many bytes to display from the dropdown.
  3. The binary output appears automatically — each row shows the byte offset, 8-bit binary value, and the hex equivalent.

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Frequently Asked Questions

Is this binary viewer free?
Yes, completely free with no signup and no usage limits.
Does my file get uploaded anywhere?
No. The file is read locally using the browser FileReader API. Nothing is sent to any server.
Does it work on mobile?
Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.

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