Developer Launches Browser-Based Image Checker for Marketplace Sellers

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A developer has built ListingPic, a free browser-based tool that helps marketplace sellers check product images before uploading them to platforms like Amazon, Etsy, TikTok Shop, and Shopify. The tool analyzes images for common issues such as incorrect dimensions, aspect ratio mismatches, thumbnail crop risks, and platform-specific requirements. All image processing happens locally in the browser, meaning no photos are sent to external servers, addressing privacy concerns around unreleased or proprietary product assets. The current version supports readiness checks tailored to Amazon, Etsy, and TikTok Shop, with entry points for eBay, Walmart, and Shopify workflows also included. The developer is seeking feedback from sellers and ecommerce tool builders, with planned improvements including batch processing, downloadable marketplace-ready image variants, and clearer platform-specific guidance.

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