Character Counter (moji.onl.jp)
A web tool that counts characters, words, and lines in real time as you type. Useful for checking character limits on blog posts, social media, and other content.
Multiplication Challenge (multiplied.onl.jp)
A math practice web app for solving multiplication table problems within a time limit. Ideal for memorizing the multiplication table and track accuracy and scores to gauge progress.
Paint Web (paint.onl.jp)
A paint web app for drawing directly in the browser. Equipped with basic tools such as pen and eraser, it supports touch drawing on smartphones, tablets, and PCs.
Pedometer Web (pedometer.onl.jp)
A pedometer web app that counts steps using your smartphone's accelerometer sensor. Use it as a step counter without installing any app.
Font Trial Web (pen.onl.jp)
A web tool to try out and preview text in various fonts. Useful as a reference when choosing fonts or checking character designs.
Addition Challenge (plus.onl.jp)
A math practice web app where you solve addition problems one after another within a time limit. Great for improving children's arithmetic skills or as a brain workout for adults, with score recording.
QR Code Creator (qr.onl.jp)
A web tool that instantly generates QR codes from URLs or text. Download the created QR code and use it in print materials or on websites.
QR Code Reader (qrcode.onl.jp)
A web tool to scan and read QR codes using your smartphone or PC camera. Instantly decode URLs and text without any app installation required.
Schedule Coordinator (schedule.onl.jp)
A web app to coordinate schedules among multiple people. Participants enter their availability for candidate dates using ○/×/△ to find the best time for everyone.
SEO Keywords (seo.onl.jp)
An SEO analysis web tool to research keyword search volume and related keywords. Useful for developing content strategies for blogs and websites.
Sound Web (sound.onl.jp)
A web app to play various sound effects and ambient sounds in the browser. Use as background music or sound effects for work, and accessible without any installation.
Text-to-Speech Web (speak.onl.jp)
A text-to-speech (TTS) web tool that reads aloud any text you enter. Adjust speed and voice type, and use it for foreign language listening practice.
