Shopify CSV change review

Know what your Shopify CSV will change before you import it.

Compare your current Shopify catalog with a proposed product CSV. See what changed, catch risky edits, and review supported fixes before you import anything into your store.

No Shopify login
Files stay in your browser
Your store is never modified
No credit card required

Fall catalog update

OVERALL RESULT

Import blocked

3 need attention

4Findings

1Blocking

1Destructive

1Warning

WHY REVIEW FIRST

A spreadsheet mistake should not become a storefront mistake.

A product CSV can be technically valid while still containing changes that deserve careful business review. As catalogs grow, subtle differences become harder to spot manually.

Missing options may affect how variants are matched.

Zero inventory could make sellable items unavailable.

Changed handles may affect product URLs and existing links.

Blank images could remove expected catalog information.

Duplicate SKUs make inventory workflows less reliable.

Draft status may unintentionally hide active products.

Large price edits can disappear among routine spreadsheet updates.

Valid formatting does not guarantee correct business intent.

FROM CELLS TO CONSEQUENCES

Understand the change, not just the difference.

ImportPeek turns difficult spreadsheet comparisons into reviewable decisions.

Current catalog

Inventory: 184

Status: Active

Handle: ridgeline-water-bottle

Proposed CSV

Inventory: 0

Status: Draft

Handle: ridgeline-bottle

ImportPeek report

Inventory change warning

Destructive publishing change

Destructive handle change

Checked CSV

Intentional edits retained

Corrections applied

CSV structure rechecked

HOW IT WORKS

Four steps between a spreadsheet and Shopify.

Think of ImportPeek as a second pair of eyes for a bulk update. A CSV is the spreadsheet-style file used to move product information into Shopify. We compare two versions so you can review the changes before importing.

Export your current catalog

Export your current products from Shopify as a CSV. This is the baseline for comparison. Keep an untouched copy; ImportPeek is not a store backup or restore tool.

A reliable baseline

Add the proposed CSV

Choose the edited CSV you plan to import. Tell us whether it represents your complete catalog or only selected products, so missing rows are interpreted in context.

Local file validation

Review every meaningful change

See the old value, new value, severity, and reason for each finding. Fix blocking errors and confirm whether potentially destructive changes are intentional. Marking reviewed does not repair the file.

An explainable report

Download a checked CSV

On Pro or Premium, apply supported corrections and download the checked CSV and reports. Review the final file, then import it into Shopify yourself. Nothing is sent to your store automatically.

A review-ready output

A simple example

You intend to change a shirt from $40 to $44, but the edited CSV says $4. ImportPeek compares it with the original, shows a 90% price decrease, and flags it when it exceeds your warning threshold. You can fix the typo before importing.

What you receive

A summary of findings, product and variant change views, and explanations of what needs attention. The trial lets you review 3 completed comparisons over 7 days, with change-summary and issues-CSV downloads; paid plans add corrected product-CSV downloads. Printable reports include all findings.

What the result means

Blocking: fix before export. Destructive: review a potentially harmful change. Warning: check an unusual or questionable value. Safe: no known risk was flagged for that change—not a guarantee that it is right for your business.

What stays in your control

ImportPeek checks the files you provide, not your live store. It cannot confirm that a supplier’s price is correct, undo an import, or guarantee Shopify’s final result. Keep your originals and review Shopify’s import settings before proceeding.

WHAT WE CHECK

A structured review across the catalog.

Rules cover the file itself and the product decisions represented inside it.

New products
Title, status, vendor, type, and category changes
Missing required product information

Added or potentially removed variants
Variant recreation risk
Duplicate options, SKUs, and barcodes
Missing values and invalid structures

Price increases and decreases
Zero or invalid prices
Compare-at price problems
Unusually large changes

Inventory becoming zero
Large or invalid quantity changes
Policy and tracking changes

Removed images
Image source changes
Image alt-text changes

Changed, blank, or duplicate handles
Removed SEO titles and descriptions
SEO title and description changes

Active products becoming draft
Products becoming archived
Shipping, taxable, and fulfillment changes

Missing columns and broken CSV formatting
Duplicate rows and unsupported values
Ambiguous product and variant matches

REPORT WALKTHROUGH

Move from summary to individual decisions.

Warning

Inventory drops to zero

ImportPeek explains the current value, proposed value, likely consequence, and next review step.

LOCAL BY DESIGN

ImportPeek checks the file. It never touches your store.

Shopify credentials are never requested. ImportPeek does not install an app, upload your catalogs, or import a CSV automatically. You remain in control of the final Shopify import.

Files are parsed locally
Reports identify known risks
Catalog files are not stored remotely
Business correctness still requires your review

Files

Browser check

Review

Local download

COMMON CHECKS

Built for the catalog work merchants already do.

Seasonal prices

Expose unintended price jumps hidden among thousands of expected updates.

Inventory corrections

Catch quantities that may unexpectedly fall to zero or change far beyond your threshold.

Product migrations

Review matching uncertainty, changed handles, and fields lost between platforms.

Catalog cleanup

Separate intentional removals from blank cells and malformed rows.

Vendor updates

Spot unexpected vendor, product-type, and category changes.

SEO and handles

Reveal URL and metadata changes before they affect live product pages.

Variant restructuring

Identify missing options, duplicate combinations, and recreation risk.

Bulk publication

Review products moving between active, draft, and archived states.

Marketplace migration

Compare normalized Shopify data against the source-derived import.

Spreadsheet recovery

Find formulas, accidental blanks, duplicate rows, and editing mistakes.

THREE APPROACHES

A clearer review layer for growing catalogs.

Capability	Manual spreadsheet review	Import without review	ImportPeek
Product changes	Possible with careful comparison	Not previewed	Explained by field
Variant changes	Possible, slower at scale	Not previewed	Matched and categorized
Destructive-risk detection	Depends on reviewer	No review layer	Known risks flagged
Plain-language context	Reviewer-created	Not included	Included
Duplicate detection	Formula or manual checks	Platform validation only	Included
Custom thresholds	Manual formulas	Not included	Pro and Premium
Corrected CSV	Manual edits	Original file	Guarded local export
Audit report	Manual documentation	Not included	Plan dependent
Store access required	No	No	No
Local processing	Yes	File sent to Shopify	Yes

PRICING

Choose the capacity and review tools you need.

All plans process files locally and require no Shopify login.

Free Trial

Check, correct in your CSV editor, and recheck. 3 comparisons over 7 days; no card required.

$0 / 7 days

Catalog limit: 1,000 products
File limit: 10 MB
CSV row limit: 5,000 rows

3 completed catalog comparisons
Product and variant matching
Core structural validation
Full report overview
Review your saved trial reports
All detected issues and explanations

7 days from first completed check · No corrected-file downloads · No custom rules · No bulk resolution · No version comparison

Recommended

Pro

For regular Shopify catalog updates.

$12 / month

Catalog limit: 10,000 products
File limit: 50 MB
CSV row limit: 50,000 rows

Unlimited catalog comparisons
Core CSV structure and value checks
Destructive-change detection
Duplicate SKU and barcode detection
Corrected CSV and report downloads
Apply supported formatting fixes

10,000 products per catalog · 50 MB maximum file size

Premium

For larger catalogs and downloadable audit data.

$29 / month

Catalog limit: 100,000 products
File limit: 250 MB
CSV row limit: 500,000 rows

Everything in Pro
Up to 100,000 products per catalog
Up to 500,000 CSV rows per file
Up to 250 MB per file
Download structured JSON audit data
Core safety checks included, just like Pro

100,000 products per catalog · 250 MB maximum file size

How product limits work. Product limits refer to unique product handles. A product with multiple variants still counts as one product.

Capacity limits. All three limits apply to each file: products, CSV rows, and file size. These are upload limits, not a guarantee for every device. Large, high-row-count catalogs may exceed browser memory; split them into smaller files when needed. Maximum-size browser performance is not yet verified.

A trial, not a subscription. 3 completed comparisons within 7 days of your first completed check. No card required; no automatic charge. You can edit your CSV elsewhere and recheck it. Corrected CSV downloads and bulk fixes require a paid plan.

Paid subscriptions renew. Annual plans are billed for the year. Review the total in checkout before paying. Manage renewal in Billing; see cancellations and refunds.

Local history, not cloud backup. Reports are saved in this browser, not backed up to the cloud. Clearing browser data or reaching browser storage limits can remove them. Download important report summaries and keep your original CSV files.

What support covers. Email support covers using ImportPeek and troubleshooting the app. Manual CSV cleanup, catalog consulting, and Shopify store changes are not included. No guaranteed response time.

Review before importing. ImportPeek helps detect CSV import risks; it cannot guarantee a flawless Shopify import. Keep an unchanged export and review warnings before importing.

Feature	Free Trial	Pro	Premium
Catalog limit	1,000 products	10,000 products	100,000 products
CSV row limit	5,000 rows	50,000 rows	500,000 rows
File size (per file)	10 MB	50 MB	250 MB
Catalog comparisons	3 within 7 days	Unlimited	Unlimited
Core validation	Included	Included	Included
Custom thresholds	Not included	Included	Included
Review tools	Read findings	Review findings and apply supported fixes	Same as Pro
Corrected exports	Not included	Unlimited	Unlimited
Report downloads	Change summary and issues CSV	Change summary and issues CSV	Same as Pro, plus detailed JSON audit
Rules	Default rules	Saved thresholds and rule toggles	Same as Pro
History (this browser only)	Saved trial reports	Storage-limited; not a backup	Storage-limited; not a backup
Support	Contact form; replies by email	Contact form; replies by email	Contact form; replies by email
Catalog processing	Local to your browser	Local to your browser	Local to your browser

FAQ

Questions before your first check.

Review your next catalog update before Shopify sees it.

Start with your current export and the CSV you plan to import.