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Two data converters tools, side-by-side. See which fits your task.
Data Converters
Convert numbers between binary, octal, decimal, and hexadecimal bases.
Open Base ConverterData Converters
Convert ring sizes between US, EU, UK, Japan, diameter, and circumference. Full reference table.
Open Ring SizeYour specific task is convert numbers between binary, octal, decimal, and hexadecimal bases. Open the page, drop your input, get the result — typically under a second.
Your goal is convert ring sizes between us, eu, uk, japan, diameter, and circumference. 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. Base Converter focuses on convert numbers between binary, octal, decimal, and hexadecimal bases; Ring Size focuses on convert ring sizes between us, eu, uk, japan, diameter, and circumference. 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 Base Converter and Ring Size work without signup. We only ask for an email if you decide to subscribe to a paid plan.