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Preview of Test Cards

Test Cards by Edward Ji

Copy and prefill test card numbers and other payment methods with a single click.

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Screenshots
A browser extension panel displayed on the left side of an Adyen-powered checkout page ("MyStore"). The extension provides a searchable, organized list of test credit/debit card numbers for payment testing purposes. On the right, the checkout page shows an American Express test c
About this extension
This extension provides a quick-access side panel containing Adyen's test card numbers required for testing different payment flows. You can easily browse, select the card you need, and interact with your integration without leaving the page.
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Permissions and data

Required permissions:

  • Access browser activity during navigation

Optional permissions:

  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Version
0.1.0
Size
1.51 MB
Last updated
4 days ago (Feb 23, 2026)
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