Free browser tools for everyday tasks
Character counter, date calculator, and image resizer in your browser
kokonamu collects free web tools for character counting, date calculation, tax calculation, image resizing, QR code generation, and more.
Tools
Frequently used tools
Small utilities that show results as soon as you type.
Character Count
Count characters, characters without spaces, lines, and words.
QR Code Generator
Create QR codes from URLs or text.
URL Formatter
Complete, clean, encode, and decode URLs.
Remove Line Breaks
Remove line breaks, replace them with spaces, or remove blank lines.
Date Calculator
Calculate day shifts, differences, and business days.
Age Calculator
Calculate full age from your date of birth in your browser, plus Japanese era names, a simple year-based zodiac animal, a star sign from month and day, child-style month counts under six, day-count milestones, days until a chosen adulthood age (18 or 20), and a multi-person table with copyable text. Nothing is sent to a server.
Services
Simple group attendance management with one URL.
attendly is a service for managing event attendance by group. It keeps the flow short for both event organizers and participants.
Make small tasks shorter
Handle quick checks around text, URLs, dates, prices, images, and QR codes in one place.
Open tools