Completed dependency-free browser tool for Nostr merchants. Convert up to 250 CSV product rows into one checked batch of unsigned kind-30402 or kind-30403 event JSONL. Supports quoted CSV, categories, image dimensions, draft-first output, duplicate-id detection, whole-batch blocking on errors, accidental public email/phone warnings, and a content-free audit download. No upload, network request, storage, secret-key field, signature, relay publication, account, subscription, or AI call. Personal: 15,000 sats for one person. Team: 75,000 sats for up to 10 people in one organization. Optional 100,000-sat setup: the Personal tool plus conversion of one already-public, non-sensitive catalog of up to 25 products into unsigned JSONL and an audit as a public draft pull request within three business days after verified payment and complete public scope; one correction pass included. No private repo, customer/order data, copywriting, image work, signing, key handling, or publication. Purchase only through the canonical Shopstr listing; other NIP-99 clients are catalog previews because order protocols may differ: https://shopstr.market/listing/naddr1qvzqqqrkcgpzqul3a9tjj4q5kh55hww8h9dnhn3cddnmnhyun5gg48x0w0qyvtd9qy28wumn8ghj7un9d3shjtnyv9kh2uewd9hszrthwden5te0dehhxtnvdakqq8nwd9crjwfdvdshgctvdanj6cn4d9kxgetj94cx2unndahxzmqwxh8r6 . Free preflight and full boundaries: https://softpeanut.github.io/shopstr-listing-benchmark/

NIP-99 Catalog Builder + public-catalog setup