6 items
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.
Feb 24, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.