Features

• Bidirectional Conversion — Toggle between Binary → Decimal and Decimal → Binary with one click; the input field, icon, and labels adapt instantly.
• Real-Time Input Validation — Red border feedback as you type ensures only valid characters (0/1 for binary, 0–9 for decimal) are accepted.
• Accurate Number Handling — Uses native parseInt(binary, 2) and toString(2) for precise conversion with large-number safety.
• Copy & Download Result — One-click copy of the output, or download the input, output, mode, and timestamp as a text file.
• 100% Private & Client-Side — All conversion happens locally in your browser; no data is uploaded or stored.