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Base Converter
🔢 Number Bases
📝 Text / Encoding
🔗 Ethereum Tools
📐 Bit Calc
🔢 Universal Number Base Converter
Binary (2)
Octal (8)
Decimal (10)
Hex (16)
Base32
Base58
Base64
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Quick Conversions
255 (0xFF)
256 (2^8)
1024 (1KB)
65536 (2^16)
0xDEADBEEF
0xCAFEBABE
0xFFFFFFFF
📝 Text / String Encoding
Plain Text
ASCII Codes
Hex String
Base64
URL Encoded
Binary (space-separated bytes)
Quick Text Tools
Text → All Formats
Hex → All Formats
🔗 Ethereum / EVM Tools
Wei Amount
Gwei Amount
ETH Amount
1 ETH = 10^18 Wei = 10^9 Gwei
1 Gwei = 10^9 Wei
🔗 Keccak256 / Address Format
Hex Address (without 0x)
Checksummed Address
0x Prefixed
📐 Bit / Byte Calculator
Value
Unit
Bits
Bytes
Kilobytes (KB)
Megabytes (MB)
Gigabytes (GB)
📋 Common Crypto Values
Value
Binary
Hex
Bits
Usage
256
100000000
0x100
9 bits
AES-256, SHA-256
512
1000000000
0x200
10 bits
SHA-512
2048
100000000000
0x800
11 bits
BIP39 wordlist
4294967295
32x 1s
0xFFFFFFFF
32 bits
Max uint32
21000000
—
0x1406F40
—
BTC Max Supply