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TCGshopkeeper

3.5

Cardmarket buyouts without the spreadsheet busywork

tcgshopkeeper.com
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Overview

The summary

TCGshopkeeper is a browser extension for Chrome and Brave that assists trading‑card shop owners when buying Pokémon and other TCG cards on Cardmarket. The extension lets users click an offer on Cardmarket and automatically records the card’s price, condition, seller and quantity, then calculates the percentage of market price, the euro conversion rate and the total value in both euros and Czech koruna. Users can lock the rates with a “Done” button, export the compiled list to an XLSX file for accounting, and print a Czech‑language purchase contract. The product offers a free plan that requires no account and provides unlimited buyout lists with one‑click offer capture and automatic calculations. A paid PRO tier adds filters, PSA‑10 upside analysis, quick‑add mode, contract printing, and customizable spreadsheet export. The PRO subscription is promoted at an early‑bird price of 500 Kč per month (about €20) after a 14‑day free trial. The tool is positioned for small to medium card retailers who currently rely on manual spreadsheets for buyout calculations.

TCGshopkeeper is a Chrome/Brave extension that streamlines Cardmarket TCG card buyouts by automating price calculations and list management.

What this product is

In plain language

TCGshopkeeper is a browser extension for Chrome and Brave that assists trading‑card shop owners when buying Pokémon and other TCG cards on Cardmarket. The extension lets users click an offer on Cardmarket and automatically records the card’s price, condition, seller and quantity, then calculates the percentage of market price, the euro conversion rate and the total value in both euros and Czech koruna. Users can lock the rates with a “Done” button, export the compiled list to an XLSX file for accounting, and print a Czech‑language purchase contract. The product offers a free plan that requires no account and provides unlimited buyout lists with one‑click offer capture and automatic calculations. A paid PRO tier adds filters, PSA‑10 upside analysis, quick‑add mode, contract printing, and customizable spreadsheet export. The PRO subscription is promoted at an early‑bird price of 500 Kč per month (about €20) after a 14‑day free trial. The tool is positioned for small to medium card retailers who currently rely on manual spreadsheets for buyout calculations.

From TCGshopkeeper's own site:“Cardmarket buyouts without the spreadsheet busywork”

What makes TCGshopkeeper different?

vs. alternatives in this category

TCGshopkeeper positions itself as a niche assistant that removes the spreadsheet‑heavy steps traditionally required for Cardmarket buyouts. By embedding directly into the Cardmarket interface, it captures offer details with a single click and performs all currency conversions and percentage calculations in‑browser. The focus on Czech‑specific features—such as contracts in Czech and support for Kč—sets it apart from generic buyout tools, while the PRO tier adds deeper market analysis like PSA‑10 upside. Its blend of free core functionality and optional paid enhancements aims to appeal to both hobby‑scale sellers and professional card‑shop operators.

Key features

From the product's own site
One‑click offer capture

Click an offer on Cardmarket and the extension records price, condition, seller and quantity automatically.

Automatic calculations

The tool computes percentage of market price, euro conversion rate and total in € and Kč without manual input.

Unlimited buyout lists

Both free and PRO plans allow unlimited buyout lists and unlimited cards per list.

Quick‑add mode (PRO)

When enabled, cards add themselves to the list as you browse, speeding up large purchases.

XLSX export (PRO)

Export selected columns to an Excel file for accountants, stock tracking, or web‑shop import.

Who it's for

Grounded in pricing, the site's own claims, and category

Should use this

Small to medium card‑shop owners who buy large volumes of Pokémon or other TCG cards on Cardmarket and want to replace manual spreadsheet work. The free plan suits shops with tight budgets, while the PRO tier adds advanced filtering and export options for those needing more automation.

Shouldn't use this

Users who require built‑in inventory management beyond buyout lists, or who need a fully cloud‑hosted solution, as the extension stores data locally. Also not ideal for buyers who cannot or do not want to pay the PRO subscription after the trial.

Use cases

Who uses this and why
1

A Pokémon card shop owner uses TCGshopkeeper to capture Cardmarket offers and automatically calculate buyout totals, eliminating manual spreadsheet entry.

2

A Czech‑based TCG retailer employs the PRO tier’s quick‑add mode and PSA‑10 upside analysis to evaluate high‑value cards and generate a printable purchase contract for accounting.

3

A small hobbyist seller leverages the free plan’s unlimited buyout lists to keep track of multiple Cardmarket purchases without creating a separate account.

Where we found it

Some coverage

1 or 2 independent sources mention this product. We found 1 independent source. This is a count of places, not a judgement of whether the product's claims are true.

What works

Grounded in the site's own pages and the evidence found

The site says the free plan needs no account and provides unlimited buyout lists with one‑click offer capture. For PRO, the site claims an early‑bird price of 500 Kč a month (about €20) after a 14‑day free trial, adding filters, PSA‑10 upside analysis, quick‑add mode, contract printing and XLSX export. The pricing page lists a disclosed free tier at $0/mo and shows the PRO tier without a disclosed price.

What to know

Caveats, gotchas, and gaps

The PRO tier price is not displayed on the pricing page; the site mentions an early‑bird price of 500 Kč per month. The free plan is fully functional but lacks advanced filters, PSA‑10 analysis, quick‑add mode, contract generation and export features. Data backup is limited to a weekly local file, and the extension stores lists only on the user’s machine. This is a recent launch with limited third‑party coverage.

Pros & cons

+Pros

  • One‑click capture eliminates manual data entry for each Cardmarket offer.
  • Automatic calculation of percentages, conversion rates and totals reduces arithmetic errors.
  • Unlimited buyout lists are available even on the free plan.

−Cons

  • PRO tier price is hidden on the pricing page, creating uncertainty for buyers.
  • Advanced features (filters, PSA‑10 analysis, export) are locked behind the paid tier.
  • All data resides locally; there is no cloud sync or full‑service backup.

What the site says

3 from its own pages

Statements taken from TCGshopkeeper's own pages, each with the page it came from. We list them; we do not rule on whether they are true.

What others say

1 outside pages

Pages from outside TCGshopkeeper's own site that are about this product. Open them and decide for yourself.

  • TCGshopkeeper - Chrome Web Storechromewebstore.google.com/detail/tcgshopkeeper/dknhedgbdohgkkiolipcfdeklokkdplo

    7 days ago — Evidence codes, PSA 10 upside, contracts in PRO. TCGshopkeeper (formerly Cardmarket Buyout Helper) — a buyout assistant for trading-card vendors ...Read more

How we checked this one

Full methodology

This review was produced by the SaaSNet.work pipeline — no hands-on testing, no payment from the product. Here's exactly what was checked for TCGshopkeeper.

Site claims listed3Each with the page it came from
Outside pages found1Each one about this product
CoverageSome coverage1 independent source
Human-approvedOctober 2, 2026A person reviewed the draft before publish

We never tested the product hands-on and never accepted payment for this review. Spot something wrong? Request a correction.

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Frequently asked questions

3 questions
Is TCGshopkeeper free?

Yes, the free plan is available at $0 per month and does not require an account, according to the site.

How much does TCGshopkeeper cost?

The free tier is $0/mo; the PRO tier’s price is not shown on the pricing page, but the site promotes an early‑bird rate of 500 Kč per month (about €20) after a 14‑day trial.

What are TCGshopkeeper's main limitations?

Features such as filters, PSA‑10 upside analysis, quick‑add mode, contract printing and XLSX export are only available in the PRO tier, and data is stored locally with weekly backup to a file.

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