Developer

Number Base Converter

Binary, octal, decimal, hex and any base up to 36. Free, no sign-up, and it runs in your browser — your files are never uploaded.

How to use

1. Enter a number and its base
2. See it in every other base

Questions

Do I need an account?

No. Every tool is free to use without signing up.

Is my data uploaded?

No. This tool runs in your browser, so the text and files you use stay on your device.

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