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Square Customers CSV Validator
or drop files here .csv, .xls, .xlsx, .xlsm (up to 50 MB)
Free 5-row preview · Most files ~$5 · No sign-up required
Invoice import blocked if Sales Tax enabled in QBO
Validate Complete
Your converted file is ready!
Download now before closing this page
Validation Report Format
Showing valid rows only (download includes all rows + errors)
All rows valid
| $ |
|---|
+ more rows
valid rows
invalid rows skipped from preview
credits
| Row | Column | Value | Error |
|---|---|---|---|
Showing first 50 errors. more errors not shown.
more errors hidden. Download the full validation report to see all errors.
Validation Report Download
The download includes your original file with an added "Validation Error" column showing error messages for each row. Valid rows have an empty error column.
• credits
Use credits to download
Click any download button to use your credits
- Full CSV & Excel export
- Google Sheets export
- Instant browser download
for credits
One-time payment
256-bit SSL encryption
14-day money-back guarantee
PCI DSS compliant
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Want to save on credits?
Buy bundles and get up to 27% off. Perfect for recurring monthly conversions.
// PRICING //
Choose the plan that fits your needs
Pay as you go
Just start processing on any tool page
$1/credit
Tools processing starts from 5 credits. Then 1 credit = 1k rows. No sign-up needed.
OR
Monthly Bundles Pro
$
/Credit
Best for professionals and content creators
Annual Discount
Per month, billed annually:
Save 20% more
- Credits refresh monthly
- Priority processing
Purchase Credits
- Full CSV & Excel export
- Google Sheets export
- Instant browser download
for credits
256-bit SSL encryption
14-day money-back guarantee
PCI DSS compliant
Powered by Paddle
Do unused credits expire?
Do unused credits expire?
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.
Powered by
Paddle
Terms of service applies. VAT included where applicable.
What Our Users Say
Been searching for something like this for months. Our Shopify store processes 500+ orders monthly and this handles everything perfectly. Date formats, tax columns, refunds - all correct.
works good, wish it had batch mode
I was spending 4-5 hours every month reformatting exports manually. This tool paid for itself in the first use. The preview feature helped me verify the mapping before paying.
exactly what i needed thx!!
Super straightforward. Upload, convert, download. No account needed which is nice. Would give 5 stars if they add Xero support.
saved me hours of work
My accountant was so happy when I sent her the converted file. No more back-and-forth about date formats or missing columns. Everything imported correctly on first try.
fast and easy 10/10 would recommend
Been using this for 6 months for monthly reconciliations. Handles all the edge cases - partial refunds, multi-line orders, currency conversions. Very reliable tool.
Good tool, does what it says. Interface could be bit better but conversion quality is excellent. Using it for my 3 Shopify stores.
Switched from A2X to this. Way simpler for my needs - I don't need real-time sync, just clean data once a month. This delivers exactly that.
finally!! something that works with QB desktop!!
// PRICING //
Need more credits?
Pay as you go
Just start processing on any tool page
$1/credit
Tools processing starts from 5 credits. Then 1 credit = 1k rows. No sign-up needed.
OR
Credit Bundles
$
/Credit
One-time purchase
- No monthly commitment
- Credits valid for one year
- Access to all tools
- Full file downloads
Monthly Bundles Pro
$
/Credit
Best for professionals and content creators
Annual Discount
Per month, billed annually:
Save 20% more
- Credits refresh monthly
- Priority processing
Purchase Credits
- Full CSV & Excel export
- Google Sheets export
- Instant browser download
for credits
256-bit SSL encryption
14-day money-back guarantee
PCI DSS compliant
Powered by Paddle
Do unused credits expire?
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.
Powered by
Paddle
Terms of service applies. VAT included where applicable.
Liked the preview?
Upload your actual file to get the real conversion
Check your Square customer directory CSV export for missing columns and data format issues.
Free preview — then from $5. Save with bundles.
Free preview before you pay
Files never leave your browser
No account needed to start
Validation Questions Answered
What columns are required?
Only Customer ID is required. All other fields are optional.
Is this tool free?
First transactions are free to preview. Full conversions use credits based on transaction count.
How do I import a Square Customers CSV?
In Square Dashboard: Customers > Directory > Import customers. Upload a CSV, map fields, then import.
How Validation Works
1
Export from Square
Customers → Import / Export → Export Customers → Download
2
Upload CSV
Upload your Customers Export export file
3
Review Validation Results
Check your Square data for errors and warnings
Issues are flagged inline with clear fix suggestions — review and correct before you import.
Why Validate Customer Data?
Customer Directory Integrity
Customer exports require valid IDs for CRM and accounting integrations.
Missing Customer ID breaks the link to transactions.
What This Tool Checks
We validate your Square customer directory:
- Required columns present (Customer ID)
- Name and contact fields properly formatted
- Address fields valid
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?
ID Validation
Checks for required Customer ID column.
Name Checking
Validates First Name, Last Name, and Company Name columns.
Contact Validation
Validates Email Address and Phone Number columns.
Address Checking
Validates Street Address, City, State, Postal Code, and Country columns.
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 Customer ID
The 'Customer ID' column is required but not found
(blank Customer ID)
CUST123456789
Square generates unique customer IDs automatically
Re-export from Square Dashboard → Customers → Export
Invalid Email Format
The 'Email Address' column contains invalid emails
john.smith or @example
john.smith@example.com
Customer emails should be valid email addresses
This is a warning - customer may have invalid email in Square
Missing Customer Name
Customer has no given name or family name
(both names blank)
Given Name: John, Family Name: Smith
At least one name field is recommended
This is a warning - customer profiles can have minimal data
More credits - more savings
Buy bundles and get up to 60% off. Perfect for recurring monthly conversions.
// PRICING //
Choose the plan that fits your needs
Pay as you go
Just start processing on any tool page
$1/credit
Tools processing starts from 5 credits. Then 1 credit = 1k rows. No sign-up needed.
OR
Credit Bundles
$
/Credit
One-time purchase
- No monthly commitment
- Credits valid for one year
- Access to all tools
- Full file downloads
Monthly Bundles Pro
$
/Credit
Best for professionals and content creators
Annual Discount
Per month, billed annually:
Save 20% more
- Credits refresh monthly
- Priority processing
Purchase Credits
- Full CSV & Excel export
- Google Sheets export
- Instant browser download
for credits
256-bit SSL encryption
14-day money-back guarantee
PCI DSS compliant
Powered by Paddle
Do unused credits expire?
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.
Powered by
Paddle
Terms of service applies. VAT included where applicable.
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 Customer ID is required. All other fields are optional.
These are Square-calculated lifetime value fields. They're read-only.
First transactions are free to preview. Full conversions use credits based on transaction count.
In Square Dashboard: Customers > Directory > Import customers. Upload a CSV, map fields, then import.
Square imports customer lists as .CSV. Export to CSV and align your headers to Square’s template.
Duplicates may fail import. Merge duplicates in Customer Directory, then reimport the cleaned CSV.
Those rows have issues Square can’t process. Download the error file, fix listed fields, and reimport.
Imported creates new profiles. Matched updates existing profiles when Square links a row to a customer.
Use a full number with country code (e.g., +1...). Keep formatting consistent and remove odd characters.
Yes—create the custom fields in Customer Directory first. Then include matching CSV columns when importing.
After Validation: Convert Your Customers Export
Once your Square export passes validation, convert it to your accounting format
Square
Customers Export
Your validated export
→
Quickbooks Online
Customer Import
Customer profiles with contact and billing information
First Name + Last Name → Name
Company Name → Company
Email Address → Email
Square
Customers Export
Your validated export
→
Xero
Contact
Customer or supplier contact records
Given Name + Family Name → Name
Email Address → EmailAddress
Given Name → FirstName
🥦
Quick question before you go
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