Blog

• Joining tables: a visual guide to inner, left, right, and outer joins

  The four kinds of SQL joins explained in plain English, with worked examples — useful whether you're using SQL, Python, R, Tabularly, or Excel.

  May 30, 2026

• Why we built Tabularly: a tool that runs entirely in your browser

  Most 'online CSV tools' upload your data. We didn't want to. Modern browsers can do this work without a server — so they should.

  May 29, 2026

• 5 ways to deduplicate Excel rows — and why most online tools get it wrong

  A look at the surprising number of ways to define 'duplicate' in tabular data, and why Excel's built-in Remove Duplicates doesn't cover the most useful one.

  May 28, 2026

• How to merge two CSV files in your browser (no upload, no signup)

  A step-by-step guide to merging CSV files using Tabularly — runs entirely in your browser, no upload, no signup.

  May 27, 2026