Shopify Customers CSV Validator

🥦

Validate Complete

Validation Report Format
valid rows

Check your Shopify customers CSV export for missing columns and data format issues.

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Download Clean Sample

Valid Shopify customers export (no errors)

Clean Template

Download Error Sample

Sample with validation errors for testing

Error Example

Validation Questions Answered

What columns are required?

Only the Email column is required (but values can be blank for guest customers). All other fields are optional.

Is this tool free?

First transactions are free to preview. Full conversions use credits based on transaction count.

Can I import customers with blank email addresses?

Email is a required column header, but individual email values can be blank. Shopify will create customer accounts without emails, but the Email column itself cannot be missing.

How Validation Works

1

Export from Shopify

Admin → Customers → Export → Export customers

2

Upload CSV

Upload your Customers Export export file

3

Review Validation Results

Check your Shopify data for errors and warnings

Issues are flagged inline with clear fix suggestions — review and correct before you import.

Why Validate Customer Data?

Clean Customer Records

Customer imports fail when the Email column is missing or address fields are malformed. Validating first prevents sync issues with your CRM or accounting system.

What This Tool Checks

We validate your Shopify customers export: - Email column present (required by Shopify) - Address fields properly formatted - Boolean fields (Accepts Marketing, Tax Exempt) have valid values

Your Data Stays Private During Validation

Every Row Checked

Each record is validated against format rules. Catch errors before they reach your platform.

Runs in Your Browser

Validation happens locally. Your data never leaves your browser.

GDPR Compliant

No files uploaded, no data retained. Full EU privacy compliance.

Why Validate Before Importing?

Email Validation

Checks that the required Email column is present (values can be blank for guest customers).

Address Checking

Validates Default Address fields for proper formatting.

Boolean Fields

Validates Accepts Email Marketing, Accepts SMS Marketing, and Tax Exempt fields.

Row-Level Errors

Get specific error messages with row numbers for quick debugging.

Browser-Based

Files processed locally. Your data never leaves your computer.

Instant Results

Get validation results in seconds, even for large files.

Common Target Import Errors

Issues you might encounter when importing Source data to Target - and how we solve them

Missing Email Address

Customer records without email are harder to match/import

(blank Email column)
customer@example.com

Email is the primary customer identifier for most systems

Records without email may need manual matching

Invalid Email Format

Email column contains values that don't look like email addresses

john.smith or 555-1234
john.smith@example.com

Ensure email column contains valid email addresses

Check if columns were swapped or data entry errors

No Customer Identifier

Customer has no name, company, or email to identify them

(all identifier columns blank)
At least one of: First Name, Company, Email

Every customer needs at least one identifier

Review source data for placeholder customers

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One-time credit bundles are valid for one year. Subscription credits refresh monthly. You can use credits across any tool, anytime.

Is my data secure?

Files process entirely in your browser. We're GDPR compliant with TLS encryption.

Can I get a refund?

Yes! Full refund within 14 days if no credits used. Partial refund for unused credits anytime. Contact sup@spreadsheetbroccoli.com.

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Frequently Asked Questions

Your data never leaves your device. All files are processed entirely in your browser using client-side JavaScript - no data is stored on our servers or sent anywhere. There's no account to hack, no database storing your files, and no API connections to your bank or accounting software. You upload, convert, download, and we forget it immediately.
No payment or signup required. You can upload your file, see a free preview of the conversion results, and verify everything looks correct before paying anything. If it doesn't work for your files, you haven't wasted any money. We only charge when you're satisfied and ready to download the final converted file.
You can, but free scripts and AI often miss edge cases that break real-world data: missing SKUs, currency formatting quirks, tax calculation errors, or date format mismatches. We have battle-tested validators specifically designed for accounting software imports that catch these issues before they corrupt your books. Plus, you get instant browser-based conversion without installing Python or managing dependencies.
Only the Email column is required (but values can be blank for guest customers). All other fields are optional.
These are read-only columns exported by Shopify but cannot be imported back. They show customer lifetime value.
First transactions are free to preview. Full conversions use credits based on transaction count.
Email is a required column header, but individual email values can be blank. Shopify will create customer accounts without emails, but the Email column itself cannot be missing.
Your CSV file must be in UTF-8 encoding. Replace smart/curly quotes with straight quotes and remove extra quotation marks before importing.
Customer CSV files must be under 15 MB. For larger exports, split your data into multiple files and upload them separately.
Customer CSV imports can take several hours to process. Shopify sends an email confirmation when the import completes or fails.
Shopify automatically skips creating accounts with duplicate emails, preventing duplicate customer records and keeping your database clean.
You can edit customer info like names, phone, and addresses, but Total Spent and Total Orders are read-only and reflect actual purchase data.
Only Email is required. Columns for first name, last name, phone, address, tags, and notes are optional and can be left blank.

After Validation: Convert Your Customers Export

Once your Shopify export passes validation, convert it to your accounting format

Shopify Customers Export Your validated export
→
Quickbooks Online Customer Import Customer profiles with contact and billing information
First Name → First Name Last Name → Last Name Email → Email
Customer list migration, CRM sync
Shopify Customers Export Your validated export
→
Xero Contact Customer or supplier contact records
First Name + Last Name → Name First Name → FirstName Last Name → LastName
Customer sync, supplier management

Learn More:

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