Practical guides and tips for CSV data analysis
Run SQL queries on Search Console CSV exports using Python (DuckDB) or BigQuery. Includes copy-paste queries for CTR analysis, position tracking, and month-over-month comparisons.
Merge multiple Ahrefs CSV exports and run competitive analysis — with Python, browser tools, or Excel. Includes export prep tips and analysis templates.
Stop Excel from stripping leading zeros, converting to scientific notation, or mangling dates when you open CSV files. 5 methods from quick fix to permanent solution.
Pivot CSV files without writing code. Compare browser-based tools, learn the step-by-step workflow, and handle large files with ease.
Automate your CSV sales reports with Excel Power Query, Python pandas, no-code tools, or BI dashboards. Step-by-step guide with code examples and templates.
When a CSV is too large for Excel's 1,048,576-row limit, here are four practical fixes: online tools, Power Query, CSV splitting, and Python. Ordered from easiest to most involved.
Fix garbled CSV files fast. Identify encoding mismatches, convert between UTF-8/Shift-JIS/Windows-1252, and handle BOM issues — with 5 methods for every skill level.
Fix Google Sheets crashes and freezes caused by large CSV files. Performance tips, exact limits, and alternatives like BigQuery and online CSV tools.
Merge multiple CSV files into one using Python pandas, command line, Excel Power Query, or online tools. Includes pitfall checklist and automation tips.