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Jewelry & Gems
Convert between karat, fineness, and percentage for gold purity.
Open Gold PurityJewelry & Gems
Reference guide for precious metal hallmark stamps and their meanings.
Open HallmarksYour specific task is convert between karat, fineness, and percentage for gold purity. Open the page, drop your input, get the result — typically under a second.
Your goal is reference guide for precious metal hallmark stamps and their meanings. 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. Gold Purity focuses on convert between karat, fineness, and percentage for gold purity; Hallmarks focuses on reference guide for precious metal hallmark stamps and their meanings. 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 Gold Purity and Hallmarks work without signup. We only ask for an email if you decide to subscribe to a paid plan.