Data Import Wizard
Upload your dataset, see exactly what each tool expects, fix common problems with one click, and download a clean CSV. Everything happens in your browser — your data never leaves this page.
Sign in to use the Data Import Wizard
The Import Wizard checks your file against the exact requirements of each analysis tool, fixes the most common formatting problems with one click, and teaches you the data-cleaning habits pros use — all privately in your browser.
- ✅ Guided, one-click fixes for messy CSV & Excel files
- 🎓 Plain-language tips so you learn to prevent the problems yourself
- 🧹 Earn the Data Wrangler badge as you clean data
- 🔗 Prepares data for any of our 40+ analysis tools
Already a student? Just log in — it's included with your MktPraxis account.
Which analysis are you preparing data for?
Pick a tool so we can check your file against exactly what it needs.
Upload your data
Drag & drop a file here (.csv, .tsv, .txt, .xls, .xlsx)
Not sure of the format? Download a sample template for this tool.
Review & fix
Data preview — click a column to inspect it
Your data is ready
Download the cleaned CSV, then upload it into the analysis tool.