Short, practical tutorials on converting, cleaning, validating, and visualizing data — each one paired with a free tool you can run in your browser, no signup required.
Turn a raw CSV into a graded health report — score, six quality dimensions, per-column profiling, and a downloadable PDF — without uploading a thing.
Read guideStop squinting at rows of numbers. Here's how to chart a CSV instantly and spot the story in your data.
Get data out of Excel and into formats your code and databases actually want — without sending the file anywhere.
Bouncing emails wreck your sender reputation. Here's how to validate and clean a bulk email list in seconds.
Bad data quietly ruins reports and models. Here's a fast, repeatable checklist to profile any CSV before you trust it.
A practical, no-upload guide to turning spreadsheets and exports into clean JSON your code can read — and back again.