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Two developer & design tools, side-by-side. See which fits your task.
Developer & Design
Reference of business card dimensions for US, Europe, Japan, and more in mm, inches, and pixels.
Open Card SizesDeveloper & Design
Reference for caching solutions including Redis, Memcached, and CDN caches.
Open Cache SystemsYour specific task is reference of business card dimensions for us, europe, japan, and more in mm, inches, and pixels. Open the page, drop your input, get the result — typically under a second.
Your goal is reference for caching solutions including redis, memcached, and cdn caches. 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. Card Sizes focuses on reference of business card dimensions for us, europe, japan, and more in mm, inches, and pixels; Cache Systems focuses on reference for caching solutions including redis, memcached, and cdn caches. 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 Card Sizes and Cache Systems work without signup. We only ask for an email if you decide to subscribe to a paid plan.