Base Converter - Binary / Octal / Decimal / Hex
Free base converter. Convert between binary, octal, decimal and hex locally, with big integer support. 100% local.
About 编码 / 开发
Convert between binary/octal/decimal/hex locally, big int. This tool runs entirely in your browser locally — no file upload, your privacy is protected, and speed is unaffected by network.
FAQ
Will my files be uploaded?
No. All processing happens locally in your browser; files never leave your device.
Which formats / scenarios are supported?
base converter, binary, hexadecimal, decimal, octal, online base, big integer and more can be done on this page.
Do I need an internet connection?
After the page loads, conversion/computation runs locally and works offline (except features relying on external fonts/libraries).