Move from collection data to seller workflow
ManaBox CSV import for MTG inventory
Import ManaBox CSVs into Toploader OS, review exact-print matches, handle duplicates, save reports and prepare inventory for Whatnot selling workflows.
CSV preview
Duplicate actions
Warnings & failures
Import reports
ManaBox import
Import carefully instead of blindly changing stock.
The import flow previews rows before applying them, giving you a chance to review duplicates, failed entries and warnings before inventory changes.
CSV scan and preview
Review total rows, ready rows, failed rows, warnings, inventory matches and CSV duplicates before importing.
Exact print metadata
Carry set code, collector number, finish, image URL and market data into the single-card inventory workflow where available.
Duplicate control
Choose whether duplicate rows merge into an existing item or create a new separate inventory entry.
Bulk duplicate actions
Set selected duplicate rows to merge or new entry during preview review.
Image download
Download Scryfall images for imported singles into the active inventory image folder.
Import reports
Save preview and import reports with ready rows, failed rows, warnings and backup information.
Workflow
Safe import workflow
Choose the CSV
Select the ManaBox CSV and let Toploader OS scan rows before changing inventory.
Review preview
Check valid rows, failed rows, warnings and duplicates in the import preview dialog.
Choose duplicate actions
Merge with existing inventory or create separate entries where needed.
Apply and report
Import validated rows, create a backup and save a report for your records.
Why preview matters
Importing card inventory can create duplicates if set codes, collector numbers, finishes or names do not line up. Previewing rows gives sellers a safer migration path from collection tools to seller operations.
Review failed rows before they touch inventory.
Handle duplicate matches deliberately instead of guessing.
Keep reports for auditing what changed.
Use imported cards later for pricing, show batches, exports and reconciliation.
After import, go here
Inventory
Review imported cards and filter newly added singles.
Pricing
Set market-percentage targets for stream pricing.
CSV Export
Prepare listing rows from imported stock.
Show Builder
Add imported cards to your next show batch.
FAQ
ManaBox import FAQs
Is ManaBox import a Pro feature?
Yes. Imports are part of the Pro workflow because they automate larger inventory operations.
Can I save an import report?
Yes. Both preview and final import report dialogs include save-report actions.
What happens to failed rows?
Failed rows are shown with reasons so you can correct the CSV or add those cards manually later.
Can duplicate rows merge with existing stock?
Yes. The preview lets you merge duplicates into existing inventory or create new entries deliberately.
Ready when you are
Move collection CSVs into a seller-ready inventory system.
Use ManaBox import as the bridge from collection tracking to Whatnot listing, show prep and reconciliation.