Costco Receipts Downloader

About

Costco Receipts Downloader — Extract and Convert Costco Receipts to CSV

Turn your Costco shopping history into clean, analysis-ready spreadsheets. This browser extension automatically extracts receipt data from Costco online orders, warehouse purchases, and gas station transactions, then converts everything into a standardized CSV that opens perfectly in Excel, Google Sheets, and accounting software.

Overview

Costco Receipts Downloader streamlines expense tracking, budgeting, and tax prep by pulling detailed purchase data directly from your Costco account. It intelligently detects receipt types, accurately applies instant savings and CRV, validates values and dates, and outputs a consistent 28-field CSV across all receipt types.

Key Features
Multi-source extraction: Online orders, warehouse receipts, and gas station transactions
Automatic type detection & parsing for each receipt
Standardized 28-field CSV across all sources
Batch processing across a chosen date range
Intelligent adjustments: instant savings, CRV, and other fees/discounts
Warehouse number → location mapping for clearer reporting
Built-in validation & robust error handling
Consistent date formatting (YYYY-MM-DD)

Cross-browser support: Chrome, Firefox, Edge (Manifest V3)

What Data Is Included
Order/receipt number and receipt type (online, warehouse, gas)
Transaction date and warehouse/location details
Item-level SKUs, product names, quantities, unit prices, line totals
Discounts/instant savings mapped to the correct items
Taxes, surcharges, CRV, and final totals

How It Works
Log in to your Costco account.
Open the extension from your browser toolbar.
Choose a date range (default: last 6 months).
Select receipt types (warehouse, online, gas—or all).
Start the scan to process multiple receipts automatically.
Download your consolidated CSV for analysis or bookkeeping.

Supported Costco Sites
United States: costco.com
Canada: costco.ca

Use Cases
Personal expense tracking & budgeting
Business expense reporting & reimbursement
Tax preparation & deduction documentation
Shopping analysis & cost trend monitoring
Small-business purchasing & inventory cost tracking

Privacy & Security
All processing happens locally in your browser.
No external servers or third-party data storage.
Access is limited to Costco pages while you’re logged in

Technical Details
Cross-browser: Chrome, Firefox, Edge
Manifest V3 compliant

Permissions: activeTab, scripting

Designed with validation and clear error messages throughout