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Preview of Payment Data Cheatsheet

Payment Data Cheatsheet by Maxm

Test payment data for developers

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About this extension
FireFox extension with test cards for 10+ payment providers.
Includes search, one-click copy, and works offline.
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Version
1.1.0
Size
865.96 KB
Last updated
11 days ago (Dec 5, 2025)
Version History
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