Twenty-two free calculators built for cross-border sellers
Margins, FBA tiers, dimensional weight, duty estimates, inventory turns, and moreโplain formulas, no AI calls, free to use.
These tools are free to use. Our core product is AI Customer Service.
50 seconds: the daily seller math, done in the free tools
What the video shows (text version)
- 0:00Title: get the daily seller work done faster โ free tools for cross-border sellers.
- 0:04Profit Calculator (finance): type an ASIN and press Analyze. Inputs: product price 59.99, Amazon referral fee 8% (4.80), FBA fee 5.14, product cost 18.00, inbound freight 2.60, ads at 13% ACOS (7.80). Result: net profit per unit $21.65, 36.1% margin, 105% ROI, break-even price $32.58, break-even ACOS 49%. Caption: know your margin before you list.
- 0:14AI Person Photo Tagging (compliance): a grid of 48 product photos. Verify & tag runs locally with no upload and pixels untouched; the count goes from 0 to 48 tagged, with the โcontains synthetic performerโ disclosure written into each image file. Caption: bulk-tag AI-person photos locally.
- 0:22Restock Planner (logistics): 15 days factory lead time plus 30 days shipping and 5 days inbound make a 50-day total lead time; with a 14-day safety buffer and demand variability of 1.5, the reorder point comes out at 1,420 units (safety stock 420, order 1,280). Caption: reorder point, not guesswork.
- 0:32A+ Image Auto-Splitter (operations): a long A+ image, module gaps detected, split into module_1 to module_5 and exported as one zip, processed locally with no quality loss. Caption: long image to upload-ready modules.
- 0:42A map of the tool set: profit calculator, restock planner, AI photo tagging, FBA size tier, A+ image splitter, VAT quick lookup, keyword density, FX profit impact and more. Closing card: 20+ free seller tools, powered by Niceggie AI.
All 22 tools
Margins, FBA tiers, dimensional weight, duty estimates, inventory turns, and moreโplain formulas, no AI calls, free to use.
See if your price leaves healthy margin before launch.
Save priced products into a candidate pool and compare side by side before you commit
Write Amazon's disclosure tag into AI-person product photos locally โ no pixel changes, no upload
Automatically split an Amazon A+ long image into per-module files, entirely in your browser
How many units you must sell to cover costs.
Check whether ad spend is paying back.
Same item, different venuesโsee net after fees.
If FX moves 1%, what happens to margin?
If return rate rises 1%, how much margin you lose.
Convert between currencies with live rates.
Back out last order date without stockouts or bloat.
Billable weight vs actualโavoid freight surprises.
Know the fee tier before you ship FBA.
Title and bullet length vs marketplace caps.
See if important terms show up where they should.
Is the description easy to scan and on-policy?
Headline VAT rates for EU, UK, AU-style markets.
Rough duty before goods hit the US or EU.
See if cash is stuck on the shelf.
Deduplicate lines and copy the clean result.
Switch between upper, lower, and title case.
Rank terms by frequency; export to CSV.