·7 min read
csvjson.tools vs csvjson.com: A Complete Comparison
An honest side-by-side comparison of csvjson.tools and csvjson.com — tools, formats, speed, privacy, and which site fits your workflow.
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Practical guides on working with data formats — JSON, CSV, Excel, YAML, and XML. Written for developers, analysts, and anyone who works with data.
Format Comparisons
Articles
·8 min read
How to Convert Excel to CSV Without Opening Excel
Convert .xlsx files to CSV on any OS — Python, PowerShell, LibreOffice CLI, and a browser tool. Covers batch conversion, multi-sheet files, and encoding issues.
Read article·9 min read
How to Convert Excel to JSON (The Complete Guide)
Four practical methods to convert Excel spreadsheets to JSON — Power Query, Python pandas, openpyxl, and a browser tool. Covers nested structures, type preservation, and large files.
Read article·12 min read
How to Convert Large JSON Files to CSV (Without Crashing)
Why large JSON files crash most converters — and four approaches that actually work. Covers in-browser streaming, Python ijson for multi-gigabyte files, pandas chunking, and when each method is the right call.
Read article·12 min read
How to Convert CSV to JSON in Python
Complete Python guide to converting CSV to JSON — from a two-line pandas solution to nested JSON, grouped output, type casting, NDJSON, and large-file streaming. Covers every output shape you'll actually need.
Read article·11 min read
How to Convert JSON to CSV Using jq (Command Line)
Complete guide to converting JSON to CSV with jq — from basic @csv filters to nested fields, dynamic headers, null handling, and real API response patterns. Includes alternatives when jq isn't the right tool.
Read article·13 min read
JSON to CSV: How to Handle Special Characters and Encoding
Why special characters break CSV files, and how to fix every encoding problem: UTF-8 BOM for Excel, escaped Unicode in JSON, accented characters, emoji, null bytes, embedded newlines, and Windows-1252 issues.
Read article·12 min read
YAML vs JSON vs CSV: When to Use Each Format
A practical comparison of YAML, JSON, and CSV — what each format is good at, where each fails, and how to pick the right one for config files, APIs, spreadsheets, and data pipelines.
Read article·11 min read
How to Convert API Response JSON to CSV (Stripe, GitHub, Shopify, and More)
Real-world guide to converting API response JSON to CSV and Excel. Uses actual Stripe, GitHub, Shopify, and Twitter API response structures — not toy examples. Covers Python, online tools, and the specific nesting patterns each API uses.
Read article·9 min read
How to Open a JSON File in Excel (3 Methods That Actually Work)
Three ways to open and import JSON into Excel: Power Query for repeatable imports, the online converter for one-off files, and Python for automation. Includes step-by-step instructions for each.
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JSON to CSV with pandas: The Complete Workflow
A deep dive into converting JSON to CSV using pandas — json_normalize, record_path, meta, type coercion, column renaming, filtering, and exporting large datasets. Real API examples throughout.
Read article·13 min read
Common JSON to CSV Errors in Python (and How to Fix Them)
A complete reference for every error you'll hit converting JSON to CSV in Python — UnicodeDecodeError, JSONDecodeError, object Object in cells, KeyError, MemoryError, and more. Includes working fixes for each.
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How to Convert JSON to CSV in Python: The Complete Guide
Convert JSON to CSV in Python using the standard library, pandas, or an online tool. Covers flat JSON, nested objects, arrays, and real API data — with working code for each approach.
Read article·10 min read
How to Import JSON into Excel (The Right Way)
Copy-pasting JSON into Excel doesn't work. This guide covers the correct ways to convert JSON to Excel—including how to handle nested objects and arrays.
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How to Convert Nested JSON to CSV: A Complete Guide
Converting nested JSON to CSV requires a flattening strategy. This guide explains how to handle nested objects, arrays of objects, and mixed structures—with code examples.
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How to Fix Broken CSV Files: 7 Common Problems and Solutions
CSV file not opening correctly? This guide covers the 7 most common CSV problems—encoding issues, wrong delimiters, unquoted commas, and more—with step-by-step fixes.
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How to Flatten Nested JSON: A Complete Guide
Learn how to flatten deeply nested JSON into flat key-value pairs. Includes Python and JavaScript examples, plus when to use dot notation vs bracket notation for arrays.
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JSON vs CSV: Which Format Should You Use?
A practical comparison of JSON and CSV. Learn exactly when to use each format, with real examples from APIs, databases, and analytics pipelines.
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