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.
Translation Web (tran.onl.jp)
A web tool to translate text between Japanese, English, and many other languages. Translate easily in the browser for business documents and language learning.
Trend Web (trend.onl.jp)
A web service to check trending keywords on social media and the web in real time. Quickly browse what topics are currently being talked about.
URL Encoder (urlenc.onl.jp)
A web tool for easy URL encoding and decoding in the browser. Useful for converting and verifying URLs that contain Japanese characters or special symbols.
Voice Recorder Web (voice.onl.jp)
A voice recorder web app that lets you record, play back, and download audio using your browser's microphone. Perfect for capturing meeting notes and ideas without installing any app.
Bill Splitter (warikan.onl.jp)
A web tool to equally split dining or party expenses among multiple people. Instantly calculates the amount per person including rounding, reducing the burden on the organizer.
