Computer science

Number systems

Base conversion, bit length and integer ranges.

Computer science

Number base converter

N(base₁) → N(base₂)→
Computer science

CRC32 checksum

CRC32(text)→
Computer science

Adler-32 checksum

Adler32(text)→
Computer science

FNV-1a 32 hash

FNV-1a-32(text)→
Computer science

FNV-1a 64 hash

FNV-1a-64(text)→
Computer science

Base64 encode

text → Base64→
Computer science

Base64 decode

Base64 → text→
Computer science

Text to HEX

text → UTF-8 HEX→
Computer science

HEX to text

UTF-8 HEX → text→
Computer science

URL encode

text → percent encoding→
Computer science

URL decode

percent encoding → text→
Computer science

Unicode character and code point

character ↔ U+XXXX→
Computer science

Text and UTF-8 bytes

text ↔ UTF-8 bytes→
Computer science

SHA-1 hash

SHA-1(text)→
Computer science

MD5 hash

MD5(text)→
Computer science

SHA-224 hash

SHA-224(text)→
Computer science

SHA-256 hash

SHA-256(text)→
Computer science

SHA-384 hash

SHA-384(text)→
Computer science

SHA-512 hash

SHA-512(text)→
Computer science

SHA-512/224 hash

SHA-512/224(text)→
Computer science

SHA-512/256 hash

SHA-512/256(text)→
Computer science

Escape text

text → escaped text→
Computer science

Unescape text

escaped text → text→
Computer science

Integer bit length

b = ⌊log₂N⌋ + 1→
Computer science

Maximum unsigned integer

Nmax = 2ᵇ − 1→
Computer science

Maximum signed integer

Nmax = 2ᵇ⁻¹ − 1→
Computer science

Negative integer two's complement code

U = 2ᵇ + N→