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Jewelry & Gems
Calculate platinum purity and alloy percentages from hallmark stamps.
Open PlatinumJewelry & Gems
Reference for prong types: 4-prong, 6-prong, V-prong, and shared prong settings.
Open Prong TypesYour specific task is calculate platinum purity and alloy percentages from hallmark stamps. Open the page, drop your input, get the result — typically under a second.
Your goal is reference for prong types: 4-prong, 6-prong, v-prong, and shared prong settings. 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. Platinum focuses on calculate platinum purity and alloy percentages from hallmark stamps; Prong Types focuses on reference for prong types: 4-prong, 6-prong, v-prong, and shared prong settings. 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 Platinum and Prong Types work without signup. We only ask for an email if you decide to subscribe to a paid plan.