Practical Tools

实用工具

Free online tools for transportation, warehousing and supply-chain practitioners: enter data, get instant results, no signup needed.

Transportation

Dimensional Weight Calculator

Enter parcel dimensions and actual weight to get dimensional and billable weight with courier / air-freight divisors, multi-parcel totals, and one-click copy.

Free to use →

Warehousing

3PL Quote Comparison

Enter monthly pallet and order volume to compare up to 4 3PL quotes side by side: line-item breakdown, monthly total, cost per order, cheapest auto-highlighted, saved locally.

Free to use →

Warehousing

ZPL Label Generator

Self-developed ZPL engine, zero third-party APIs: 50 label templates for major US retailers (Amazon/Walmart/Target/Costco…), form fill-in, live preview, PNG/PDF download.

Free to use →

Warehousing

Barcode & QR Code Generator

Generate 12 symbologies including Code 128, EAN-13, UPC, QR Code and Data Matrix, with live preview and one-click PNG download.

Free to use →

Office

Document Converter

Convert between PDF, Word, Excel and images: PDF to PNG/JPG/Word, Word/Excel to PDF, images to PDF, Excel to CSV, split PDF — 8 conversions, all processed locally in your browser, files never uploaded.

Free to use →

Office

PDF Visual Editor

Edit PDFs visually: page thumbnails across files, click to select and delete, drag to reorder, rotate pages 90°, merge and download in the new order — all locally in your browser, files never uploaded.

Free to use →

Office

Packing List Generator

Packing list generator: fill header and line items (SKU, quantity, cartons, auto-totaled weights), live preview, download PNG / PDF, all locally in your browser, files never uploaded.

Free to use →

Office

PDF Signature

Sign PDFs online: draw, type, or upload signature images, save to your library, click to place on the page, drag to move, resize, and export the signed PDF — all locally in your browser, files never uploaded.

Free to use →

Office

Quotation Generator

Quotation generator: 4 industry templates (general, warehousing 3PL, freight, e-commerce fulfillment) — fill company/client info, auto-priced line items, upload your logo, live preview, download PNG / PDF, all locally in your browser.

Free to use →

Office

Invoice Generator

Invoice generator: 4 industry templates (general, commercial for customs with HS code & origin columns, service, warehousing & freight monthly statement) — fill company/client info, auto-priced line items, upload your logo, live preview, download PNG / PDF, all locally in your browser.

Free to use →

Transportation

Track and Trace

Paste a parcel, container, bill of lading or air waybill number — the carrier is auto-detected and you jump straight to 400+ carriers' official tracking pages. Fully local detection, zero third-party APIs.

Free to use →

Warehousing

Demand Forecast & Replenishment

Upload sales data (CSV/Excel) and let AI forecast demand per SKU, predict stockout dates and suggest reorder timing and quantities. Files parsed locally, AI service provided by the site, capped at ¥0.20 per run.

Free to use →

More tools are on the way. Stay tuned.