What you get
When you finish cataloging a sale, LotJitsu hands you a single ZIP file. Everything AuctionNinja needs is inside it, named and arranged for the AuctionNinja import.
The spreadsheet lists one lot per row, formatted for AuctionNinja: lot number, title, description and the other fields AuctionNinja reads on import. Open it in Excel or Numbers and it reads like a catalog you built by hand.
Your photos sit beside it, renamed to match their lots. You never have to line up IMG_4471.jpg with lot 12; the filename indicates which lot a photo belongs to and where it falls in that lot.
Nothing in the package is locked. It contains a spreadsheet and ordinary JPEG files, so you can review, adjust or reorder before uploading to AuctionNinja.
How the photos are named
AuctionNinja matches photos to lots by filename, so LotJitsu names every photo with two numbers: the lot number, a hyphen, then the photo's position within that lot.
1-1.jpg lot 1, photo 1 1-2.jpg lot 1, photo 2 1-3.jpg lot 1, photo 3 2-1.jpg lot 2, photo 1
The order you set in LotJitsu is the order AuctionNinja shows. Drag a photo to the front of a lot and it becomes photo 1 in the export; the rest renumber behind it.
Lot numbers come straight from your catalog, so if you renumber lots, export again rather than renaming files by hand. One mismatched name is enough to put a photo on the wrong lot.
How the upload works
- CatalogPhotograph and describe your lots in LotJitsu.
- CheckRun the health check and fix what it flags.
- ExportDownload the AuctionNinja package as one ZIP.
- UnzipOpen it to find the spreadsheet and photos.
- UploadImport the spreadsheet into AuctionNinja and send the photos by FTP into the folder named for your auction, yourself.
LotJitsu never signs in to AuctionNinja. We do not ask for your AuctionNinja password, hold no connection to your account, and cannot publish, edit or close a sale. Step 5 is always yours.
Field limits
AuctionNinja does not publish a title limit, so LotJitsu applies none. That freedom cuts both ways: a title with no ceiling can turn into a paragraph, and buyers scanning a catalog on a phone will not read it.
Keep the searchable words at the front: what it is, who made it, roughly when. Descriptions carry detail that a title can't. Store the maker, model, condition and measurements there.
Photos per lot follow your LotJitsu plan. AuctionNinja does not publish a per-lot limit, so the plan is the number that matters.
Image sizing needs no attention. AuctionNinja publishes no per-image limits, so LotJitsu exports its standard photos and there is no refit, crop or compression step between the ZIP and the upload.
What the health check catches
Before you download, LotJitsu reads the whole package the way the AuctionNinja import will and flags anything that would cause trouble.
- Lots without photosCaught before a bidder sees an empty listing.
- Photos that never got attached to a lotCaught before the ZIP is built.
- Lots that look like duplicatesFound by comparing photos across the sale.
- Values that are not what the field expectsA price or estimate that is not a number is caught before AuctionNinja rejects the row.
- Empty required columnsEvery row checked against the columns AuctionNinja reads.
Final steps to go live
Once the catalog is complete, you upload the package directly to AuctionNinja. Your AuctionNinja account is where your terms, your buyer's premium and your bidders live. You complete this final step to push your auction live.
“LotJitsu prepares the package. You decide when it goes live.”
Our goal at LotJitsu is to help you organize and save time in the cataloging process: naming, checking, formatting the columns for AuctionNinja and packaging the ZIP. We do not sign in, upload, schedule or change anything on AuctionNinja. The step that takes a sale public always stays in your hands.
Q&A
Do I need to connect my AuctionNinja account?
No. LotJitsu never asks for AuctionNinja credentials. You download the package and upload it yourself.
Where do the photos go?
By FTP, into the folder AuctionNinja names for your auction. The filenames do the matching from there.
Can I edit the spreadsheet first?
Yes. Keep the column headings and lot numbers as they are so the photos still match.
I renumbered some lots. What now?
Export again. Photo names follow lot numbers, and a fresh export renames everything in one pass.
How many photos can a lot have?
As many as your plan allows. AuctionNinja does not publish a per-lot limit.
Do I need to resize photos?
No. AuctionNinja publishes no per-image limits, and the exported photos go straight in.
Is there a title limit?
AuctionNinja does not publish one, so LotJitsu does not apply one. Keep the searchable words at the front all the same.
Can I sell the same catalog elsewhere?
Yes. Export a separate package for HiBid, LiveAuctioneers or Proxibid; each follows that platform's rules.
