Marketplace Sync Guard

Find inventory, price and SKU mismatches before they turn into overselling, lost sales or catalog errors. Marketplace Sync Guard is a local, read-only audit tool for e-commerce and marketplace operations. Import CSV or XLSX exports from your ERP and sales channels, map the columns, choose a source of truth and compare the data in seconds. Detect issues such as: - Stock differences - Price mismatches - SKU mismatches - Missing products and presence differences - Duplicate records - Status inconsistencies Free features: - Unlimited manual audits - CSV and XLSX imports - Generic sources plus Mercado Livre and Shopee presets - Stock, price, SKU, presence, duplicate and status checks - Search, severity filters and CSV export - English, Portuguese and Spanish - Local-first processing: imported operational files stay on your device - Read-only by design: the extension does not change listings, inventory or prices Founder Pro productivity features: - Saved mapping profiles - Custom source presets - Local audit history - Audit comparison - Custom price tolerances Built for marketplace sellers, e-commerce operators, catalog teams, operations analysts and QA/data-validation workflows. No marketplace credentials are required, and imported catalog files are not sent to Lumen Anima Labs.