Serverless Smart Seller Toolkit

Serverless Smart Seller Toolkit — Happycode7 v2.0

Offline-first seller toolkit for review insights, return signals, inventory risk, shipping estimates, and profit modeling. Runs fully in your browser. No trackers. No external network requests.

Currency USD (US Dollar) EUR (Euro) GBP (British Pound) JPY (Japanese Yen) KRW (Korean Won) AUD (Australian Dollar) CAD (Canadian Dollar) SGD (Singapore Dollar) HKD (Hong Kong Dollar) CNY (Chinese Yuan) INR (Indian Rupee)

Weight Unit kg lb

Offline-first (local processing) No external requests No eval / Function CSV/JSON import/export Rates and fees are editable

0) Data Management (JSON/CSV)

Import JSON

Choose file No file selected

Export Current Data

CSV headers — Reviews: order_id,review_text,rating · Returns: order_id,reason · Inventory: sku,initial,sold

1) Review Summary (Paste / CSV)

Paste Reviews

 

 

Upload Reviews CSV

Choose file No file selected

Required: review_text · Optional: rating

2) Inventory & Reorder Alerts (Single / CSV)

Initial Stock Sold Today

 

Upload Inventory CSV

Choose file No file selected

Avg Daily Sales (for days-left)

Safety Stock Days

 

3) Shipping Cost Estimator (Region / Weight, Editable Rate Table)

Region / Country (free text) Weight

Tip: Keep the rate table aligned with your carrier, warehouse, and fulfillment terms.

 

Edit Rate Table (JSON)

Fields: match (regex), base, perKg, perLb, remoteSurcharge, optional currency.

4) Return Reasons Analyzer (Paste / CSV)

Paste Return Reasons

 

Upload Returns CSV

Choose file No file selected

Required: reason

5) Product Title Generator (3 Variations)

Keywords (comma-separated)

 

6) Profit & Margin Calculator (Fees + Ads)

Platform Preset Custom Marketplace (placeholder) D2C / Own site (placeholder) Social commerce (placeholder)

Sale Price

COGS

Seller-paid Shipping

Ads / Coupon per Order

Platform Fee (%)

Payment Processing (%)

 

Edit fees to match your real contract, category, and promotion settings.

 

7) KPI Dashboard (Quick Summary)

 

© 2026 Happycode7. All rights reserved.
Offline-first. No external network, no trackers. Data stays in your browser (memory + local exports only).
Shipping rates, fees, and presets are placeholders by design—adjust to your region, carrier, and platform terms.