Number Base Converter
Convert numbers between decimal, binary, octal, and hexadecimal. Perfect for programming and computer science.
Data & FormatFree • No Signup
Convert from:
Decimal (base 10)
255
Binary (base 2)
1111 1111
0b11111111
Octal (base 8)
377
0o377
Hexadecimal (base 16)
FF
0xFF
Common Values Reference
Dec: 0
Bin: 0000
Hex: 0
Bin: 0000
Hex: 0
Dec: 1
Bin: 0001
Hex: 1
Bin: 0001
Hex: 1
Dec: 8
Bin: 1000
Hex: 8
Bin: 1000
Hex: 8
Dec: 15
Bin: 1111
Hex: F
Bin: 1111
Hex: F
Dec: 16
Bin: 10000
Hex: 10
Bin: 10000
Hex: 10
Dec: 255
Bin: 11111111
Hex: FF
Bin: 11111111
Hex: FF
Dec: 256
Bin: 100000000
Hex: 100
Bin: 100000000
Hex: 100
Dec: 1024
Bin: 10000000000
Hex: 400
Bin: 10000000000
Hex: 400
Bit Visualization
1
1
1
1
1
1
1
1
8 bits
Key Features
- Free to use
- No registration required
- Works offline
- Privacy-focused
- Fast processing
Use Cases
Development workflow
Quick data processing
Learning and experimentation
The Number Base Converter is designed for developers, engineers, and technical professionals who need a fast, reliable, and privacy-focused solution. All processing happens locally in your browser—your data never leaves your device.
Frequently Asked Questions
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