2 items
Fill PayPal & Stripe test cards instantly for sandbox testing Features PayPal Sandbox cards — Generate random valid test cards (Visa, Mastercard, Amex, Diners, Maestro, CUP, JCB) with Luhn-valid numbers PayPal error triggers — One-click fill for PayPal-specific error codes (CCREJECT-REFUSED, CCREJECT-SF, etc.) Stripe test cards — Full list of Stripe test cards categorized by Success, Decline, and 3DS Auto-fill — Automatically fills card number, expiry, CVV, cardholder name, and country into payment forms Context menu — Right-click on any input field to fill card data directly Customizable settings — Set default country, cardholder name, and card background images i18n — Supports English and Vietnamese
Apr 1, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.