Published tools

OpenFileTools

Browse browser-local PDF, image, media, file and developer workflows plus source-backed Trade Studio tools. Retired experiments are not kept public just to increase page count.

Showing 11 of 232 published tools.

Seller Image Tools

Prepare, compare, validate, and export product imagery across major marketplace destinations.

Amazon Image ResizerAnalyze source quality, review Amazon readiness checks, and resize proportionally without uploading it.Etsy Image ResizerCheck Etsy’s minimum and recommended image thresholds separately, then create a consistent listing export.eBay Image ResizerCheck eBay’s documented minimum separately from its recommended image quality and export safely in your browser.Shopify Image ResizerResize Shopify product photos locally for consistent storefront dimensions and aspect ratios while keeping Shopify limits separate from recommendations.White Background CheckerEstimate whether product-photo borders and corners appear white using browser-side pixel analysis.Marketplace Image CheckerCompare one product image against distinct Amazon, Etsy, eBay, and Shopify readiness checks.Marketplace Multi-ExportCreate clearly labeled Amazon, Etsy, eBay, and Shopify variants from one source image.Marketplace Image StudioAnalyze a product-photo batch across Amazon, Etsy, eBay, Shopify, Google Merchant Center, and TikTok Shop, then export labeled variants locally.Etsy Thumbnail PreviewPreview how important product details survive common centered square, 4:3, and 4:5 crops before publishing an Etsy listing.Google Merchant Image CheckerCheck Google Merchant Center image dimensions, megapixels, file size, format, product-fill estimate, and upcoming 500 × 500 requirements locally.TikTok Shop Image CheckerCheck TikTok Shop product-image dimensions, format, file size, square framing, and main-image background evidence before listing.