Internet Calculators
Browse internet tools. Each link opens a dedicated calculator with instructions, formulas, examples and related references.
- IP Subnet Calculator
Calculate IPv4 network, broadcast, mask, host range and address count from an address and prefix.
- Bandwidth Calculator
Estimate transfer duration or required data rate using decimal network units.
- Base64 Encoder/Decoder
Encode UTF-8 text as Base64 or decode valid Base64 back to text.
- URL Encoder/Decoder
Encode text for URL components or decode percent-encoded text.