01encoding
NUMBER BASE CONVERTER
Edit any of the four fields and watch all others update instantly. Supports large integers via BigInt, shows bit-length, two's complement for negative values, and has copy buttons on each field.
Decimal
Binary0b
Octal0o
Hexadecimal0x
Bit length
8 bits
Min width
8-bit
Sign
Positive
Binary (grouped)
1111 1111
Other Tools
{ }
JSON Formatter
Format, validate, and minify JSON data instantly in your browser.
jsonformattervalidator
64
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings back to plaintext.
base64encodedecode
***
Password Generator
Generate cryptographically secure passwords with custom rules.
passwordsecurityrandom