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Preflight Kit
Catch Shopify CSV import failures before you upload
Free in-browser checker for Shopify product CSVs. Your file never leaves your browser — no login, no API key, no store access. Row-level findings for missing handles, duplicate handles, header drift, encoding and price bugs. Optional $19 one-shot fixed CSV.
Hi PH! I built this after watching merchants lose product data to Shopify's CSV import — silent partial failures, duplicate handles overwriting products, variants disappearing.
It's a preflight check that runs entirely in your browser: drop your product CSV, get row-level findings grouped by severity, before Shopify touches anything. No login, no API key, and your catalog never leaves your machine (the parser is client-side — you can verify in devtools).
The free check shows every finding. A $19 one-shot gives you a corrected CSV (only unambiguous mechanical fixes — BOM, header case), a machine-readable errors.csv, and a plain-English report that also lists what it *didn't* check. No subscription.
It's product-CSV only and refuses files that look like order/customer exports, so no buyer PII goes through it. Happy to answer anything about Shopify's import quirks — I've collected a lot of failure modes.
About Preflight Kit on Product Hunt
“Catch Shopify CSV import failures before you upload”
Preflight Kit was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #4 on the daily leaderboard. Free in-browser checker for Shopify product CSVs. Your file never leaves your browser — no login, no API key, no store access. Row-level findings for missing handles, duplicate handles, header drift, encoding and price bugs. Optional $19 one-shot fixed CSV.
On the analytics side, Preflight Kit competes within SaaS, Developer Tools, GitHub and E-Commerce — topics that collectively have 642.4k followers on Product Hunt. The dashboard above tracks how Preflight Kit performed against the three products that launched closest to it on the same day.
Who hunted Preflight Kit?
Preflight Kit was hunted by q00tar00. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Preflight Kit including community comment highlights and product details, visit the product overview.
q00tar00