coffee edition · warming up the kettle…
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Targets after SCA Golden Cup guidelines · EY% = TDS% × beverage mass ÷ coffee dose
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The bin is empty. Unlike your cup, hopefully.
Original lo-fi chiptunes by Yirschen, synthesized live in your browser — no audio files, no streaming.
breu 98 collects nothing. There are no accounts, cookies, analytics, ads, trackers or third-party requests. The app makes no network calls after the page loads; fonts and code are served from this site only.
Your settings, window layout and saved brews are stored only in your browser's local storage on this device, solely to provide the features you use. They are never sent to us or anyone else. Because this storage is strictly necessary for features you ask for, no consent banner is needed.
The “buy me a coffee” link in readme.txt opens Ko-fi, a separate site with its own privacy policy. Nothing is shared with it unless you click.
The web host may keep standard server logs (such as IP address and time of request) for security and operations, as any website does.
You can delete everything breu 98 has stored on this device at any time:
breu 98 is provided free of charge, “as is”, without warranty of any kind. Brewing figures, recipes and troubleshooting tips are general guidance and estimates, not professional, medical or nutritional advice. Results vary with equipment, beans and water.
Safety: brewing involves boiling water, hot surfaces and pressurised equipment. Follow your equipment manufacturer's instructions, supervise children, and be mindful of your caffeine intake.
To the extent permitted by law, the author is not liable for any loss or damage arising from use of this app. Nothing here limits rights you have under consumer-protection law that cannot be excluded.
breu 98 — design, code, artwork, sound effects and music © 2026 Yirschen. All rights reserved.
Pixelify Sans — © 2021 The Pixelify Sans Project Authors. VT323 — © 2011 The VT323 Project Authors. Both are licensed under the SIL Open Font License 1.1 and bundled with this site (licence, licence).
All music and sound effects are original compositions generated in code; no samples or third-party recordings are used.
breu 98 is an independent, retro-styled parody desktop. It is not affiliated with, sponsored by or endorsed by Microsoft Corporation. Windows is a trademark of Microsoft Corporation.
Extraction targets and the brewing control chart are based on published guidance from the Specialty Coffee Association (SCA). breu 98 is not affiliated with or endorsed by the SCA.
Brewer and equipment names (including Hario V60, Chemex, Kalita, Origami, Clever Dripper, AeroPress, Bialetti, VST and Atago) are trademarks of their respective owners and are used only to identify compatible equipment.