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Two developer & design tools, side-by-side. See which fits your task.
Developer & Design
Amplitude — fee calculator for developers and ops.
Open amplitude fee calculatorYour specific task is amex bin lookup — strict, copy-paste output, browser-side. Open the page, drop your input, get the result — typically under a second.
Your goal is amplitude — fee calculator for developers and ops. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. Amex Bin focuses on amex bin lookup — strict, copy-paste output, browser-side; amplitude fee calculator focuses on amplitude — fee calculator for developers and ops. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both Amex Bin and amplitude fee calculator work without signup. We only ask for an email if you decide to subscribe to a paid plan.