Base Converter

A handy tool for programmers to convert between number systems

Enter Number:

From Base:

Binary

Octal

Decimal

Hexadecimal

How to Use

Enter a number in the input field
Select the base of your input number
Click "Convert" to see all representations
Use the copy buttons to copy results to clipboard

Examples:

Binary: 1010 → Decimal: 10

Hex: FF → Decimal: 255

Octal: 77 → Decimal: 63

root@vm1130058:/opt/vless/www/html_wss# vi static/css/styles.css root@vm1130058:/opt/vless/www/html_wss# cat static/css/styles.css * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: 'Inter', sans-serif; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); min-height: 100vh; color: #333; line-height: 1.6; } .container { max-width: 1200px; margin: 0 auto; padding: 2rem; } header { text-align: center; margin-bottom: 3rem; color: white; } header h1 { font-size: 3rem; font-weight: 600; margin-bottom: 0.5rem; text-shadow: 0 2px 4px rgba(0,0,0,0.3); } header p { font-size: 1.2rem; opacity: 0.9; font-weight: 300; } .converter { background: white; border-radius: 20px; padding: 2.5rem; box-shadow: 0 20px 40px rgba(0,0,0,0.1); margin-bottom: 2rem; } .input-section { display: flex; gap: 1.5rem; align-items: end; margin-bottom: 2.5rem; flex-wrap: wrap; } .input-group { flex: 1; min-width: 250px; } .base-selector { min-width: 200px; } label { display: block; margin-bottom: 0.5rem; font-weight: 500; color: #555; } input, select { width: 100%; padding: 0.75rem 1rem; border: 2px solid #e1e5e9; border-radius: 10px; font-size: 1rem; transition: all 0.3s ease; font-family: inherit; } input:focus, select:focus { outline: none; border-color: #667eea; box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1); } #convert-btn { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; border: none; padding: 0.75rem 2rem; border-radius: 10px; font-size: 1rem; font-weight: 500; cursor: pointer; transition: all 0.3s ease; min-width: 120px; } #convert-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3); } #convert-btn:active { transform: translateY(0); } .results { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; } .result-card { background: #f8f9fa; border-radius: 15px; padding: 1.5rem; border: 1px solid #e9ecef; transition: all 0.3s ease; } .result-card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.1); } .result-card h3 { color: #495057; margin-bottom: 1rem; font-size: 1.1rem; font-weight: 600; } .result-value { background: white; padding: 1rem; border-radius: 8px; font-family: 'Courier New', monospace; font-size: 1.1rem; font-weight: 600; color: #212529; border: 1px solid #dee2e6; margin-bottom: 1rem; word-break: break-all; min-height: 3rem; display: flex; align-items: center; } .copy-btn { background: #6c757d; color: white; border: none; padding: 0.5rem 1rem; border-radius: 6px; font-size: 0.9rem; cursor: pointer; transition: all 0.3s ease; width: 100%; } .copy-btn:hover { background: #5a6268; transform: translateY(-1px); } .copy-btn.copied { background: #28a745; } .info-section { background: white; border-radius: 20px; padding: 2.5rem; box-shadow: 0 20px 40px rgba(0,0,0,0.1); } .info-section h2 { color: #495057; margin-bottom: 1.5rem; font-size: 1.8rem; font-weight: 600; } .info-section ul { list-style: none; margin-bottom: 2rem; } .info-section li { padding: 0.5rem 0; position: relative; padding-left: 1.5rem; } .info-section li::before { content: "✓"; position: absolute; left: 0; color: #28a745; font-weight: bold; } .examples h3 { color: #495057; margin-bottom: 1rem; font-size: 1.3rem; font-weight: 600; } .example-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; } .example { background: #f8f9fa; padding: 1rem; border-radius: 8px; border-left: 4px solid #667eea; font-family: 'Courier New', monospace; font-size: 0.9rem; } @media (max-width: 768px) { .container { padding: 1rem; } header h1 { font-size: 2rem; } .converter { padding: 1.5rem; } .input-section { flex-direction: column; align-items: stretch; } .results { grid-template-columns: 1fr; } .example-grid { grid-template-columns: 1fr; } } @media (max-width: 480px) { header h1 { font-size: 1.5rem; } header p { font-size: 1rem; } .converter { padding: 1rem; } .info-section { padding: 1.5rem; } }