8 ToolsFree • No loginOopbuy SpreadsheetOne-Click
Buying Toolkit — 8 One-Click Tools
Shipping, FX, sizing, duty, volumetric weight, link conversion, QC checklist — all in one page, instant results. Estimates only, final settlement per agent. Built for ref=oopbuyspreadsheet.live indexing.
8 tools•0 login•~10s result•2026 rates
8 tools
Shipping Calculator
Instant international shipping by weight, destination & lane (estimate).
Enter weight and calculate
Ref: US DHL ~$18/kg, E-Express ~$11/kg. Final per agent.
Currency Converter
CNY ↔ USD/EUR reference (Aug 2026 rates).
500 CNY ≈ $69.50 USD
Size Converter
Shoes / apparel US/EU/CN/JP one-click.
US 9 / EU 42 / CN 42 (26cm)
Tip: Streetwear often runs small — measure foot/chest.
Customs & Duty Estimator (2026)
US $800 de-minimis ended; EU via IOSS.
Est. duty ~$9.60 + fee $5
Agent Fee Comparator
Enter price, compare 26 agents’ fees instantly.
0% group: Kakobuy/Litbuy/AllChinaBuy ≈ ¥500
5-6% group: +¥25~30 ≈ ¥525
By verified feeStatus, service fee only, excl. shipping.
Volumetric Weight
L×W×H /6000 (air) vs actual — chargeable is max.
Vol. 4.00kg → Chargeable 4.00kg
Link Converter
Paste Weidian/Taobao URL, get Kakox-ready link.
https://kakox.com/product/…?ref=oopbuyspreadsheet.liveQC Checklist
Check 8 QC photo items, auto-score.
Checked 0/8 — keep inspecting
Need precise quote?
Estimates only — final per agent checkout. We don’t handle payments.