| What it does | Encode, decode, format and convert data online
| Free Luhn-valid test credit card generator for software testing
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| Stage | Established
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Base64 encoding and decoding
- JSON formatting and validation
- Regex testing
- UUID generation
- Hash generation
- JWT decoding
- URL encoding
- CSV to JSON conversion
- QR code generation and reading
- Text comparison and analysis
| - Generate up to 500 Luhn-valid test card records per batch
- Support for Visa, Mastercard, American Express, Discover, JCB, UnionPay and Diners Club
- Include generated CVV and expiry details
- Add optional billing address, country, bank, PIN and sample balance
- Export in JSON, CSV, XML, TXT, PIPE or SQL formats
- No registration or API key required
- Choose card number formatting: spaced, plain or dashed
- Luhn checksum validation for generated numbers
- Tester Suite with 30 checkout and payment test cases
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| What makes it different | - Privacy protection for sensitive data like configuration files and API responses
- No accounts, logins, or paywalls required
- Fast results with no server round trip or rate limits
- Works offline after initial page load
| - Generates cards in bulk (up to 500 per batch) without requiring registration
- Supports seven major card networks with network-specific formats and security codes
- Exports test data in six formats for use with different testing tools and workflows
- Includes Tester Suite with structured payment test cases and official sandbox data references
- All records generated in browser with no server submission or storage
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 34 ● no change since last check |
| Trust Flow (Majestic) | 10 | 3 |
| Citation Flow (Majestic) | 7 | 10 |
| Referring domains (Majestic) | 15 | 5 |