Calculator sheet
Multi-product rows, USD invoice, Alibaba charges (% or $), custom clearance, self payment or GST bill fees, parcel weight, and HK → India freight — all feeding one landing total.
Excel-style import billing · Built for sellers
Calculate landing cost, track bills, and price every product with confidence
A familiar spreadsheet workbook for import sellers — products in USD, landing in INR, seller rates, profit margins, and printable bills. Your data stays in your private account on a secure server.
- 4 workbook sheets
- Multi-user accounts
- Print-ready bills
- Secure sessions & CSRF
Everything you need for import landing & seller pricing
From USD invoice to INR landing cost, seller rates, and overall profit — in one workbook.
Landing records
Generate a saved bill when every field is complete. Duplicate bills are blocked. Recalculate or remove records with Excel-style action buttons.
Seller sheet
Landing cost per piece, editable selling rates, profit per piece and %, markup tool, per-bill summaries, and single-bill print.
Summary dashboard
Overall counts, invoice USD, landing INR breakdown, revenue at selling rates, total profit, and margin % — per bill and rolled up.
Multi-user accounts
Register and sign in. Each user sees only their own landing records and seller rates. Admins can view all users read-only for support.
Print & export
Print the active sheet or a single seller bill. Layout tuned for paper — same familiar Excel look on screen and on paper.
See the UI — familiar Excel workbook
Green title bar, ribbon, formula bar, and sheet tabs — just like a spreadsheet you already know.
Products
| Product | Qty | $ |
|---|---|---|
| Item 1 | 10 | 5.00 |
Invoice · USD
Shipping$45Total$495
Landing total₹52,400
| Date | Products | Qty | Landing ₹ | Actions |
|---|---|---|---|---|
| 01 Aug | Product A | 100 | ₹52,400 | Recalc Remove |
| Product B | 50 |
| Date | Product | Landing/pc | Selling | Profit |
|---|---|---|---|---|
| 01 Aug | Product A | ₹420 | ₹80 | |
| Product B | ₹380 | ₹70 |
Counts
12 bills · 48 lines
Landing · INR
₹18,45,000 total
Profit
₹2,10,000 · 11.4% margin
User guide — end to end workflow
From first login to printed seller bill in six steps.
-
1
Sign up & log in
Create an account on the login page. After sign-in you enter your private workbook. Admins use the same login with an admin role.
-
2
Fill the Calculator sheet
Add product rows (name, qty, seller price $). Enter conversion rate, shipping, clearance, payment type (self or GST bill), weights, and freight rate. The landing total updates live.
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3
Generate a landing record
When all required fields are complete, click Generate Landing Record. The bill is saved to the server and appears on the Landing and Seller sheets. Duplicates are rejected.
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4
Set selling rates on Seller sheet
Each product line shows landing cost per piece. Enter selling rates (or apply a markup %). Profit and margin update instantly and sync to the server.
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5
Review Summary
Open the Summary tab for per-bill totals and an overall rollup — invoice USD, landing INR, revenue, profit, and margin %.
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6
Print or recalculate
Print the whole sheet or a single seller bill. Use Recalculate on a landing row to reload that bill into the Calculator and edit inputs.
Security & data protection
Your bills are stored on the server, scoped to your account, and protected by multiple layers.
🔒 Encrypted in transit
Deploy behind HTTPS so every login, API call, and saved record travels over TLS — the same encryption used by banks and e-commerce sites.
🔑 Passwords hashed at rest
Passwords are never stored in plain text. We use bcrypt one-way hashing so only you know your password.
🛡️ Session & CSRF protection
Secure HTTP-only session cookies keep you signed in. Every write request (save, delete, rates) requires a CSRF token to block cross-site attacks.
👤 Per-user data isolation
Landing records and seller rates are tied to your user ID on the server. You cannot access another user's data; admins have read-only oversight only.
⚡ Rate limiting hooks
Server middleware hooks throttle login, registration, and API abuse — protecting your account from brute-force and spam requests.
📋 Audit-ready backend
Database schema supports audit logging. Config and credentials live outside the public web root for defense in depth.
Note: This is account-based cloud storage with server-side encryption in transit (HTTPS) and hashed passwords — not client-side end-to-end encryption where only your device holds the key. For maximum privacy, always use HTTPS in production and a strong unique password.
Ready to calculate your next import bill?
Free to register. Open your workbook in seconds.