Excel to JSON Guide: Read .xlsx and Export Data
Convert Excel XLSX files to JSON using SheetJS in the browser or openpyxl in Python. Handle merged cells, multiple sheets, and date formats.
Published:
Tags: excel, json, data
Excel to JSON Guide: Read .xlsx Files and Export Structured Data Excel files are everywhere. Finance teams, operations, product managers — everyone exports .xlsx. As a developer, you need to read those files programmatically and convert them to JSON for APIs, databases, or downstream processing. This guide covers every serious approach: SheetJS in the browser and Node.js, Python with openpyxl and pandas, handling multiple sheets, preserving data types, and dealing with formula cells. --- Why Excel to JSON Is Harder Than It Looks Excel files are not simple containers. An .xlsx file is a ZIP archive containing XML files — cell values, styles, shared strings, formulas, named ranges, and more. A cell that displays might be stored as a number, a string, or the result of a formula. A date that…
All articles · theproductguy.in