Tech Calculators

Bandwidth, file size, hex/binary, password strength, and developer-friendly calculators.

9 calculators in this category

Calculate bandwidth needs for video streaming, downloads, or office connectivity. Convert between Mbps, MB/s, and GB per hour.

Convert between hex color codes (#FF5733) and RGB triplets (255, 87, 51). Includes HSL representation and color preview.

Estimate password entropy and crack time. Built for educational illustration; do not enter real passwords here.

Convert numbers between binary (base 2), decimal (base 10), hexadecimal (base 16), and octal (base 8).

Convert between bytes, kilobytes, megabytes, gigabytes, and terabytes — using both decimal (1000) and binary (1024) bases.

Calculate network address, broadcast address, host range, and number of usable hosts for any IPv4 CIDR block.

Estimate Base64-encoded string length from raw byte count. Useful for sizing API payloads and storage estimates.

Estimate file size for video and image files based on resolution, bitrate, duration, or compression quality.

Convert between Unix timestamps and human-readable dates. Supports seconds and milliseconds.