Blog
Tutorials, guides, and best practices for working with JSON data and Excel spreadsheets.
How to Open a JSON File in Excel: 5 Methods That Actually Work
Double-clicking a .json file does not open it in Excel. The five methods that do work — Power Query, converters, Google Sheets, Python — why each behaves the way it does, and how to fix the errors they throw.
How to Convert JSON to Excel in Python (pandas, json_normalize, openpyxl)
Three lines of pandas handles simple JSON. Real data needs more: flattening nested objects, exploding arrays into rows, keeping leading zeros intact, and writing multi-sheet workbooks.
Working with Large JSON Files: What Breaks, and How to Fix It
A 100MB JSON file needs around 1GB of RAM once parsed. Where each size limit actually bites, and how to stream, split, or filter with ijson, stream-json and jq instead of crashing your editor.
How to Convert JSON Lines (JSONL / NDJSON) to Excel
If every line starts with a brace and your parser says "Trailing data", the file is JSON Lines — a different format. How to convert it with pandas, jq, or streaming, and handle ragged records.
How to Convert a JSON Array to an Excel Table
A JSON array of objects is the most common structure returned by APIs. Learn how to convert flat arrays, arrays with nested objects, inconsistent keys, and large datasets to Excel.
Common JSON Errors and How to Fix Them
JSON parsing fails hard — one misplaced comma or missing quote breaks everything. A practical guide to trailing commas, single quotes, unquoted keys, and every other common mistake.
How to Use JSON Data in Google Sheets
Google Sheets does not natively open JSON. Learn how to import JSON using Apps Script, live API connections, scheduled auto-refresh, and the ImportJSON add-on.
Best JSON Formatter and Viewer Tools for Developers
Raw JSON is unreadable. A practical guide to the best free JSON formatters, tree viewers, browser extensions, IDE plugins, and command-line tools for every workflow.
JSON Schema Explained: How to Define and Validate Data Structures
JSON Schema lets you define the exact structure your JSON must have. Learn the core keywords, how to write schemas, and how to validate data in Python and JavaScript.
How to Convert Excel to JSON: Reverse the Process
Sometimes you need to go the other way. Learn how to convert Excel spreadsheets to JSON using Python, SheetJS, and online tools — including how to handle dates and merged cells.
Working with JSON APIs: Extract and Export Data to Excel
APIs return JSON. Analysts want Excel. Learn how to fetch API data with curl, Python, and Power Query, and how to handle paginated responses and live spreadsheet connections.
How to Convert CSV to JSON: Free Methods and Tools
CSV is the most portable data format, but JSON is what APIs expect. Learn four practical methods: online tools, Python csv module, pandas, and Node.js with csv-parse.
How to Validate JSON: Tools and Best Practices
Invalid JSON breaks everything downstream. Learn the difference between syntax and schema validation, the most common JSON errors, and the best free tools for catching them.
What is JSON? A Beginner's Guide
JSON is the language the web uses to exchange data. Learn what JSON is, how it works, the six data types it supports, where it is used, and how to convert it to other formats.
Complete Guide: How to Convert JSON to Excel in 2026
Learn three different methods to convert JSON files to Excel spreadsheets — using online tools, Power Query, and Python scripts. Step-by-step instructions with examples.
JSON vs CSV vs Excel: Which Data Format Should You Use?
A detailed comparison of the three most common data formats. Understand when to use each format, their strengths, limitations, and how to convert between them.
How to Handle Nested JSON Data in Excel Spreadsheets
Nested JSON is one of the trickiest data structures to work with in spreadsheets. Learn flattening techniques, dot notation, and best practices for clean conversions.
JSON Data Types Explained: A Developer's Quick Reference
Understand every JSON data type — strings, numbers, booleans, arrays, objects, and null. Learn how each type maps to Excel cells during conversion.
How to Import JSON into Excel Using Power Query (Step-by-Step)
Power Query is Excel's built-in tool for importing JSON data. This tutorial walks you through every step, from opening Power Query to transforming nested structures.