Technology

Check password strength, entropy, and estimated crack time. Get suggestions for stronger passwords.

Calculate network address, broadcast, usable hosts, and wildcard mask from IP and CIDR notation.

Estimate file download time at different connection speeds. Compare across 10Mbps to 1Gbps.

Calculate TV or monitor dimensions from diagonal size and aspect ratio. Find optimal viewing distance.

Convert colors between HEX, RGB, and HSL formats with live preview.

Encode text to Base64 or decode Base64 back to text.

Format, validate, and analyze JSON data with indentation and structure info.

Generate secure random passwords with customizable length and character requirements.

Calculate output voltage from a resistive voltage divider circuit.

Calculate total storage needed from photos, videos, and documents with cloud plan recommendation.

Calculate recommended internet speed from number of users and online activities.

Calculate per-page printing cost with inkjet vs laser comparison.

Decode resistor value from 4-band color codes or find colors from value.