ABSTRAK Toko Berkah Jaya di Demak menghadapi permasalahan pengelolaan persediaan barang akibat pencatatan manual, meliputi ketidaksesuaian data stok dengan kondisi fisik, kesulitan pemantauan real-time, lambatnya penyusunan laporan, dan ketiadaan fitur ekspor spreadsheet (Excel). Penelitian ini bertujuan merancang dan membangun sistem informasi inventory stock berbasis web yang dapat meningkatkan akurasi data, menyediakan pemantauan stok secara real-time, mempercepat pelaporan, dan menyediakan fitur ekspor laporan Excel. Metode pengembangan sistem yang digunakan adalah Agile Software Development dengan enam tahapan: planning, design, development, testing, deploy, dan review. Sistem dikembangkan menggunakan PHP, framework Laravel, dan MySQL. Pengujian alpha dilakukan melalui Black Box Testing terhadap 30 skenario pada sepuluh modul fungsional utama, menghasilkan tingkat keberhasilan 100%. Pengujian beta menggunakan User Acceptance Testing (UAT) terhadap 3 responden menghasilkan skor total 129 dari 150 (86%), yang termasuk kategori sangat baik. Hasil penelitian menunjukkan bahwa sistem mampu menggantikan pencatatan manual, memperbarui stok secara otomatis setiap transaksi, menampilkan informasi ketersediaan secara real-time, mempercepat penyusunan laporan, dan memudahkan analisis data melalui fitur ekspor Excel. Sistem dinyatakan layak diimplementasikan pada operasional harian Toko Berkah Jaya. ABSTRACT Berkah Jaya Store in Demak faces inventory management problems due to manual recording, including discrepancies between stock data and physical inventory, difficulties in real-time monitoring, slow report preparation, and the absence of a spreadsheet (Excel) export feature. This study aims to design and develop a web-based inventory stock information system capable of improving data accuracy, providing real-time stock monitoring, accelerating reporting, and offering an Excel export feature. The system was developed using the Agile Software Development method with six stages: planning, design, development, testing, deploy, and review, built using PHP, the Laravel framework, and MySQL. Alpha testing was conducted using Black Box Testing across 30 scenarios covering ten main functional modules, achieving a 100% success rate. Beta testing using User Acceptance Testing (UAT) with 3 respondents yielded a total score of 129 out of 150 (86%), classified as very good. The results show that the system successfully replaces manual recording, automatically updates stock with each transaction, displays real-time availability information, accelerates report preparation, and facilitates data analysis through the Excel export feature. The system is declared feasible for implementation in daily operations at Berkah Jaya Store.