Tools that stay out of your way
Eight free tools that run entirely in your browser. Nothing to sign up for, nothing to install, nothing uploaded.
All eight tools
Word Counter
Words, characters, sentences & reading time, counted as you type.
Percentage Calculator
X% of Y, percentage change and more, solved live.
Unit Converter
Length, weight, temperature, volume, speed & data.
Date Calculator
Days between dates, add or subtract time, exact age.
Password Generator
Strong random passwords, generated on your device.
Tip Calculator
Tip and split any bill in seconds.
Color Converter
HEX, RGB & HSL with a live preview swatch.
Invoice Generator
Build a clean invoice, then print or save as PDF.
Why bookmark this site?
Private by architecture
Your input has nowhere to go: there is no server to send it to. Open your browser’s network tab while you use any tool and watch it stay silent.
Fast on any connection
Each page is about 10 KB of hand-written HTML plus one small stylesheet and two self-hosted fonts. No frameworks, no trackers, no waiting.
Free, and honest about it
Advertising, when enabled, stays outside the tools. No pop-ups, no newsletter traps, no fake download buttons.