Tools
Coffee tools
Free tools that run entirely in your browser. No account, no data sent to a server.
Decode Coffee Process
Paste a bag's process language, like '120-hour anaerobic thermal-shock honey', and see what it actually tells you versus what it leaves unknown. No flavor guessing.
Coffee World Cup Bracket
Rank the 2026 World Cup countries by coffee instead of goals. Pick a mode, from origin purist to roaster snob to pure chaos, and watch a different country win the bracket.
Coffee Ratio Calculator & Recipe Scaler
Scale a real brew recipe, not just the math. Pick Hoffmann V60, the 4:6 method, AeroPress, cold brew, or espresso, set your dose or cups, and get every pour target recalculated with a shareable link.
Coffee Ratio Converter
Turn g/L quotes like Hoffmann's 60 g/L into 1:x mass ratios, get the dose for your batch size, and convert hot-water volumes to grams.
Coffee Freshness Calculator
Enter a roast date, roast style, bag size and your drinking pace to see when the coffee peaks, how many good cups are left, and whether freezing part of the bag is worth it.
Coffee Tasting Notes Explorer
Browse 82 tasting notes across 9 flavor families, search the words roasters print on bags, and build a copyable list of what you taste.
V60 Ratio Calculator
Scale Hoffmann, 4:6, Rao spin, and other pour over recipes to your dose or cup count.
AeroPress Ratio Calculator
Hoffmann's technique and a championship recipe, scaled to your mug with steep and press timings.
French Press Ratio Calculator
Hoffmann's no-plunge French press and Clever Dripper recipes, scaled to any press size.
Cold Brew Ratio Calculator
Concentrate at 1:5 or ready-to-drink at 75 g per litre, scaled to whatever jar you own.
Espresso Ratio Calculator
Dose in, espresso out: classic 1:2 shots, blooming espresso, and 1:4 turbo shots at any dose.