Discount Price Calculator (saruwakakun.com)
A discount price calculator that instantly computes the final price from the original price and a discount rate. Save multiple results to check the total discounted amount.
Discord Overlay CSS (www.ruri.info)
Discord overlay customization tool for live streamers. Choose from cute, classic, and other styles with customizable icon shapes, colors, and animations. Apply the generated CSS to OBS Studio via Streamkit or Discord Reactive.
Digital Clock for Streaming (www.ruri.info)
Free digital clock generator for live streamers. Choose from 8 styles including gradient, color, neon, and bubble clocks, with customizable colors and animations. The generated URL can be used as a browser source in OBS Studio.
Digital Clock (digital.onl.jp)
A web app that displays a large, easy-to-read digital clock in the browser. Ideal for displaying the time on screen during presentations, classes, and events, with full-screen support.
Digital Clock (www.piliapp.com)
An online digital clock displaying the current time in real time. Supports 12-hour and 24-hour formats with a clean, large display suitable for presentations and classrooms.
Dice Web (dice.onl.jp)
A web tool to roll dice in the browser. Roll one or multiple dice at a time, great for board games, tabletop RPGs, and other activities.
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.
Date Countdown (www.piliapp.com)
An online countdown timer that counts down to a specific date. Set a target date and display how many days, hours, minutes, and seconds remain.
Date Calculator Web (calcdate.onl.jp)
A web tool to calculate the difference between two dates (in days, weeks, months, or years) or find the date after a specified number of days. Handy for checking days until birthdays, anniversaries, and deadlines.
Date & Timestamp Converter (toolpods.io)
Convert between Unix timestamps and human-readable dates. Get the current timestamp or convert any date.
data URI Converter (lazesoftware.com)
Encodes files to data URI format or decodes data URIs back to files. Supports any file type up to 5MB, with automatic or manual MIME type specification and configurable newline handling for HTML and CSS use cases.
CSV to JSON (web-toolbox.dev)
Free tool for converting CSV data to JSON format. Configure header row presence and separator, then copy the converted result immediately.
