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.
Speed Check (speed.onl.jp)
A web tool to easily measure your internet connection's download and upload speeds in the browser. Useful for checking connection quality and comparing ISP performance.
Stamp Maker Web (stamp.onl.jp)
A web tool to design and create custom stamps (hanko) online by entering text or names. Download the created image and use it in documents.
Stopwatch (stopwatch.onl.jp)
A stopwatch web app with lap time recording. Useful for sports practice, task timing, and many other purposes — ready to use instantly without any installation.
Conversation Memo Web (talk.onl.jp)
A web app to record and manage conversation content in real time. Organizes and saves interview and meeting notes by speaker for easy reference.
Timer (timer.onl.jp)
A countdown timer web app that sounds an alarm at the specified time. Useful for managing cooking, study, and work sessions, with support for setting multiple timers.
Desu/Masu Converter (tone.onl.jp)
A web tool to convert Japanese text between polite (desu/masu) form and plain form. Useful for unifying the writing style of business documents and blog articles.
