ShrinkWatch EU

Judgement

What it is

Complete system

What it does

Browser extension that shows the price per kilo or litre on European and Balkan online grocery shops and warns when a product has shrunk.

Adopt it when

You shop for groceries online in a supported country and want to compare unit prices and spot shrinkflation.

Watch out

Works only on the shops it lists; on Chrome, Edge and Brave it installs from a zip file rather than the store.

Ready for

Experimental

Runs as

Browser extension

Built with

JavaScript

How established

New: started under a month ago, no tagged release yet.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-08 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: ShrinkWatch EU → V8 → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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