Is this password generator secure?

Yes, passwords are generated locally on your device using JavaScript's crypto API. No passwords are sent to any server.

What makes a password strong?

A strong password should be at least 12 characters long and include a mix of uppercase, lowercase, numbers, and special symbols.

Yes, you can adjust length from 4 to 32 characters using the slider. Longer passwords are more secure.

Unlimited! Generate as many passwords as you need for different accounts, completely free.

Estimate Bitcoin transaction fees based on transaction size and fee assumptions.

Transaction Size (vBytes)

💡 Typical: 1-input-1-output = ~250 vBytes | 2-input-2-output = ~500 vBytes

Bitcoin Price ($)

Fee Estimate:

Fee Rate 50 sat/vByte

Total Fee (sats) 0 sats

Total Fee (USD) $0.00

📊 Estimated transaction fee based on current network conditions

Input transaction size in vBytes and select fee priority

Enter current BTC price for USD fee conversion

Get estimated fee in satoshis and USD

Know exactly how much you'll pay in transaction fees

Choose the right fee for your transaction speed needs

Plan your wallet transfers with accurate fee estimates

Calculate unlimited Bitcoin fees with no registration required