ToolsSmall tools,
Small tools,
real numbers.
The instruments the site is built from, each on a page of its own. Free, no account, and nothing you type is kept.
As of October 26, 2026, Vessim has 5 free shopping tools: did you overpay? checks what you paid against every price we know; the markup calculator turns two prices into a multiple; fingerprint a photo shows the 64 bits products are matched by; the budget gate holds a budget; and the price guides show what things really cost.
5 tools
Pick one.
- Did you overpay?Paste the link to something you bought and what you paid. We match its photo and show every other price we know.
- Markup calculatorTwo prices in, the multiple and the markup out, placed on a 1× to 6× ladder.
- Fingerprint a photoTurn any photo into the 64-bit fingerprint Vessim matches products by, in your browser.
- Budget gateEvery lamp in the index on one price line. Drag a budget and see it treated as a suggestion, or as a gate.
- How much should it cost?The real price range of a kind of thing: the median, the 10–90% band, by origin and by budget.
Start
Or skip the tools and just ask.
Describe what you want. We show every price we can see, which one fits, and tell you when nothing does.