Number Base Converter — Decimal, Binary, Octal & Hex Live

Cách dùng

1. 1 Type a number in any of the four rows — the others update live.
2. 2 Pick Unsigned for arbitrary-precision BigInt, or Signed 32-bit / 64-bit for two's-complement display of negatives.
3. 3 Toggle the prefix switch to show 0b, 0o, 0x where relevant.
4. 4 Copy any row to the clipboard with its Copy button.

Vì sao dùng công cụ này

• BigInt-safe — numbers larger than 2^53 do not lose precision.
• Two's-complement display for signed 32 / 64-bit modes.
• No prefixes required on input — paste -42, 0b1010, 0xFF, or plain digits.
• Runs in your browser, zero network calls.

Câu hỏi thường gặp

Number Base Converter là gì?

A Number Base Converter is a tool that converts numbers between decimal, binary, octal, and hexadecimal in a live grid where editing any row updates the others. It uses BigInt arithmetic to handle large values without precision loss and offers an optional signed 32-bit or 64-bit mode for two's-complement interpretation. It runs entirely in the browser.

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