Steam Market History Helper

Never lose track of your Steam Market trades again. Steam Market History Helper automatically saves your complete buy/sell history locally, so you can browse, search, and analyze all your transactions — even offline. 📊 Full History at Your Fingertips Browse your entire transaction history with powerful filters: search by item name, date, price, game, currency, buyer/seller, and more. Save your favorite filter combinations for quick access. 📈 Visual Insights 7 interactive charts including profit/loss tracking, monthly summaries, top items, price distribution, and activity heatmaps. See per-currency breakdowns across multiple accounts. 💾 Your Data, Your Control All data is stored locally in your browser. Export anytime as CSV or JSON. Full database backup and restore for peace of mind. 🔧 Built for Power Users - Custom filter groups with reusable presets - Transaction history overlay on item listing pages - Desktop notifications for new transactions - Inspect in Game links for CS2 items - Database diagnostics and repair tools - Dark/Light theme with system preference detection