Chrome and Brave extension · Cardmarket

Card buyouts
without the spreadsheet.

Click an offer on Cardmarket and the card drops onto your buyout list. The extension handles the percentage, the exchange rate and the running total. You just name the price.

Install freeWhat PRO adds
TCGshopkeeper mascot — a red panda in a top hat holding an SK card
Data
Stays in your browser
Currencies
€ and Kč
Market
Cardmarket
Account
Not required

Why

Buying in is the same job every time. You just do it by hand.

Open the card, find the cheapest NM, type the price into a spreadsheet, convert the euros, work out the percentage, add it up, print the contract. Fifty times in an afternoon. The extension does exactly that, minus the typing.

One click per offer

Click an offer row and the card is on your buyout list — price, condition, seller and quantity included. Sealed product (boosters, boxes, ETBs) too.

Percentages and rates, done for you

Set your percentage of market price and the euro rate. The running total in € and Kč stays with you at the top of the screen. Round the lot with one button.

A closed buyout list stays closed

Hit Done and the rate and the prices lock. A later rate change never rewrites a finished buyout list or a signed contract.

Excel when you need it

Export to XLSX, choosing columns and range — one buyout list, or all of them at once. Plus a full backup to file and back again.

Plans

Free gets you buying. PRO gets you the margin.

Basic buying is free forever — no cap on lists or cards. PRO adds the parts that save you money and paperwork.

Free

Buyout

0 Kč forever

No sign-up, no limits, no expiry.

  • Buyout lists — unlimited lists and cards
  • Offer capture with one click from Cardmarket
  • Quantity, percentages, condition (MT / NM / EX / GD / LP)
  • Euro rate and a running total in € and Kč
  • Round and lock with Done
  • Search and sort inside a buyout list
  • Copy and move cards between buyout lists
  • XLSX export with column picking
  • Backup and restore of all your data
  • Sealed product on the buyout list
Install free

PRO

The whole tool

990 Kč / month

Everything in Free, plus five more things.

  • Filters and presets — saved Cardmarket filters that apply themselves to every card
  • PSA 10 upside — what the card would make in a ten, with ROI and outlier protection
  • Quick-add mode — the card adds itself at the lowest EN NM, and duplicates are skipped
  • Purchase contract — a Czech buyout contract with an annex, the amount in words and accounting codes
  • Customer want-lists — what your customers are after, with NM / EX / GD / LP prices and an image
Try PRO

Compare

What sits where

FeatureFreePRO
Buyout
Buyout listsUnlimited, with renaming and deleting✓✓
One-click offer capturePrice, condition, seller and quantity from the offer row✓✓
Percentage of market priceFor a whole buyout list or a single card✓✓
Euro rateLocks as soon as the buyout list is Done✓✓
RoundOne button across the whole buyout list✓✓
Sealed productBoosters, boxes and ETBs, with no condition field✓✓
Copy and move cardsBetween buyout lists, in bulk✓✓
Data
XLSX exportPick your columns and range✓✓
Backup and restoreEvery buyout list to a file and back✓✓
Data stays in the browserNothing is sent to a server✓✓
Filters
Saved filters (presets)Up to 8 presets in the bar above the offers—PRO
Default filterStar one and it applies itself—PRO
The filter survives between cardsGoing from a list to a card does not clear it—PRO
PSA 10
PSA 10 upsideSlab average against the raw NM price—PRO
ROI as a percentageUnder three offers it would rather not count than lie—PRO
Outlier protectionThrows troll and scam prices out of the average—PRO
Quick-add mode
Cards add themselvesAt the lowest EN NM, as soon as you open the card—PRO
Duplicates skippedA card already on the buyout list is not added twice—PRO
Respects the active filterTakes the price from whatever you have filtered—PRO
Purchase contract
Printable buyout contractIn Czech, with the seller's details—PRO
Annex no. 1The quantity breakdown — optional—PRO
Accounting codesFormat 2026X001 and -014 lines—PRO
Manual amount overrideFor part-exchanges — the amount in words follows—PRO
Customer want-lists
Customer wantsThe whole card with its image, not just one offer—PRO
Prices by conditionNM, EX, GD and LP in one shot—PRO
Add from search resultsWithout opening the card—PRO
Share a listBy file, with no account and no server—PRO

How it runs

One buyout, from filter to signature

  1. 01

    Set your filter

    PRO

    EN only, NM and up, EU sellers only — save it once and the bar applies it to every card after that.

  2. 02

    Work through the cards

    Click an offer and the card is on the list. Or switch on quick-add mode and they add themselves.

  3. 03

    Check the ten

    PRO

    On the pricier ones, look at the PSA 10 upside — worth grading, or better sold raw?

  4. 04

    Round and close

    The total in € and Kč looks right, you hit Done — the rate and the prices lock.

  5. 05

    Print the contract

    PRO

    Fill in the seller and the amount and that is it — annex and accounting codes included.

  6. 06

    Export to Excel

    For your accountant, for stock, or for yourself. You pick the columns.

Questions

Before you install

Where are my buyout lists kept?

In the browser, in the extension's own storage. Nothing is sent anywhere and you do not need an account. Export a backup to a file whenever you like and restore it on another machine.

Does it work in Brave?

Yes. The extension runs in Chrome, in Brave and in other Chromium-based browsers.

Do I have to be signed in to Cardmarket?

Ordinary browsing is enough to capture offers. The extension reads what you can see on the page — it buys and sells nothing on your behalf.

Is the free version capped in any way?

No. The number of buyout lists, cards and exports is not limited. The plans differ in features, not in limits.

Is the purchase contract legally usable?

It is a draft to print and sign, based on ordinary buyout practice — it carries the subject, the amount in figures and in words, an annex with the breakdown, and accounting codes. You and your accountant are answerable for the final wording.

Buy in your first box today.

Installing takes a minute. You do not need an account and your data stays with you.

Install free