The article surveys commercial file‑preview services and open‑source front‑end and back‑end solutions for DOCX, PPTX, XLSX, and PDF, compares their capabilities, limitations, and costs, and provides concrete code examples and a reusable Web Component for developers.
This guide introduces OpenSpout, a PHP library for low‑memory, high‑performance reading and writing of CSV, XLSX, and ODS files, outlines its key features, shows installation and code examples for both reading and writing, and compares its benchmark performance across file sizes.
This guide demonstrates how to use the xlsx library to preview Excel files as HTML and the vue3-print-nb plugin to print them within a Vue 3 application, covering installation, file reading with FileReader, conversion methods, component setup, and practical code examples.
This article demonstrates how to use Python's pandas library to read CSV and XLS files, filter and merge data based on group assignments, compute derived columns, and export the results to a new Excel workbook, providing a complete automation workflow for Excel data processing.
This article explains how to generate and serve XLSX files from a backend server using the JavaScript libraries js-xlsx and exceljs, covering data preparation, server implementation, and styling options for rows, columns, and cells.
