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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.
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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.
Preflight Kit was featured in SaaS (43.2k followers), Developer Tools (516.2k followers), GitHub (41.3k followers) and E-Commerce (41.7k followers) on Product Hunt. Together, these topics include over 169.5k products, making this a competitive space to launch in.
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.
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