DACH-specific
Calculators for freelancers and self-employed in Germany - hourly rate, net salary, VAT.
Fast, focused, no signup - everything runs in your browser. 35 tools live, new ones weekly, including German-specific calculators (freelance hourly rate, gross/net salary, VAT).
Work out final amount and interest for a lump sum or monthly savings plan - year-by-year chart, time-to-target answer, German tax and inflation view.
Hypotenuse, general triangles, sine and cosine on the unit circle, prism and pyramid volumes - with a Pythagoras proof you can watch.
Calculate area, circumference, volume and surface area for a circle, cylinder, cone or sphere - with one drawing that shows how the four shapes connect.
Six modes in one tool: days between dates, human-readable duration, add or subtract, age, countdown, and German working days.
Project a lump-sum investment or an ETF savings plan in one tool. See the real TER drag in Euros, plus optional German Vorabpauschale tax for an honest after-tax estimate.
Which barcode does your product need? The generator recommends EAN-13, ISBN-13, Code 128, or ITF-14, shows the check-digit derivation, and flags whether the code still scans once printed.
Calculators for freelancers and self-employed in Germany - hourly rate, net salary, VAT.
Percent, colors, time zones, aspect ratios and more - one input, multiple readings.
JSON, Base64, Markdown, diff, crontab and friends - cleanly formatted, in your browser.
Passwords, hashes, UUIDs, QR codes and JWTs - generate and verify without upload.