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Two shipping & logistics tools, side-by-side. See which fits your task.
Shipping & Logistics
Calculate wasted space percentage and get box size suggestions.
Open Pack EfficiencyShipping & Logistics
Estimate postage cost by weight and destination zone for US, UK, and EU.
Open PostageYour specific task is calculate wasted space percentage and get box size suggestions. Open the page, drop your input, get the result — typically under a second.
Your goal is estimate postage cost by weight and destination zone for us, uk, and eu. 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. Pack Efficiency focuses on calculate wasted space percentage and get box size suggestions; Postage focuses on estimate postage cost by weight and destination zone for us, uk, and eu. 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 Pack Efficiency and Postage work without signup. We only ask for an email if you decide to subscribe to a paid plan.