Number Base Tools

Choose a feature below. Every tool runs on your device — no uploads required.

Convert numbers between binary, octal, decimal, hexadecimal, and base36 with padded binary output and a built-in ASCII table.

Convert decimal integers into binary instantly with padded bit output for byte and word alignment.

Convert long binary strings into compact octal values instantly. Useful for grouping bits in sets of three.

Convert octal integers directly to hexadecimal without manual multi-step conversion.

Convert hexadecimal values such as FF or 0x1A into decimal numbers instantly.

Browse printable and control ASCII character codes (0-127) in decimal, binary, octal, and hexadecimal.

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