Opus Tracker

The ultimate print-on-demand profit calculator. Calculate profits, fees & margins on Etsy, eBay, Depop, Vinted & more — worldwide.

Stop guessing if you're actually making money. opus.tracker shows you your REAL profit in 1 click on any Etsy, Depop, eBay or Vinted listing. Built for POD businesses and handmade sellers. - Auto-detects title, price & thumbnail instantly - Uses your real production costs (T-shirts, ink, screens, emulsion, electricity, waste, shipping) - Full editable fees (Etsy 6.5% + 20p, Depop 2.9% + 30p, eBay, Vinted, VAT, regulatory) - Shows exact £ profit + margin % - Smart price suggester to hit your target margin (default 40%) - Beautiful dark mode, super fast, 100% offline Free version = 15 calculations per day Pro Lifetime (one-time payment) = unlimited calculations + save products + CSV export + custom presets + all future updates forever How to activate Pro (30 seconds): 1. Buy Lifetime Pro on Gumroad 2. Paste the unique key into Settings inside the extension Perfect for: • Screen printing businesses • Print-on-demand (POD) sellers • Handmade jewellery & apparel makers • Anyone selling products on Etsy UK, Depop, eBay or Vinted No subscription. No login. No data ever leaves your browser. Made in the UK for sellers who are tired of thinking they’re profitable… only to find out they’re barely breaking even after fees. Start pricing like a pro today.