A dozen handy utilities, no sign-up and no data collection. Everything runs locally in your browser — nothing you type is ever sent to our servers.
All tools
Password Generator
Create strong, random passwords with custom length and character sets.
Open tool →Password Strength Checker
Test how strong a password is and estimate its crack time, privately.
Open tool →Data Storage Converter
Convert KB, MB, GB and TB — and see why a 1 TB drive shows 931 GB.
Open tool →Download Time Calculator
Estimate download time from file size and connection speed.
Open tool →Screen Resolution & DPI
Work out pixel density, aspect ratio and megapixels for any screen.
Open tool →Aspect Ratio Calculator
Find the ratio of any size and resize images or video without stretching.
Open tool →Color HEX / RGB Converter
Convert colours between HEX, RGB and HSL with a live preview and copy.
Open tool →Base64 Encoder & Decoder
Encode text to Base64 or decode it back, instantly and privately.
Open tool →Unix Timestamp Converter
Convert epoch seconds to a date and back, with a live epoch clock.
Open tool →Data Usage Calculator
Estimate your monthly GB from streaming, calls and browsing.
Open tool →CSS px / rem / em Converter
Convert pixels to rem, em and points for any root font size.
Open tool →