Private Shopify data tool
See what your CSV will break before you import it.
Find malformed rows, duplicate variants, invalid values and risky catalog changes. No Shopify login. Your files stay in this browser.
- No store access
- No file uploads
- No account
01 / Diagnose
Choose the file you plan to import
The analysis runs locally. Adding a current Shopify export adds a before-and-after comparison.
Maximum 15 MB per file. Files are read by your browser and are not sent to prietoteran.com.
02 / Results
Import risk report
Products
0
Rows
0
Blocking errors
0
Safe fixes
0
Compared with your current export
0existing products touched
0new products
0existing variants missing from proposed file
Findings
Review required
03 / Repair
Download the safely repaired CSV
Only deterministic formatting fixes are applied. Product meaning, prices and catalog data are never guessed.
- Corrected Shopify CSV
- Before-and-after change report
- Original file remains untouched
Where the file goes
Run the analysis first. The repaired file is built in your browser.
Complex migration?
Some catalog problems need store context, not another AI guess.
I help teams map supplier files, preserve variants and recover failed Shopify imports. You keep control of credentials and approve every change.
Tell me what's stuck