Locale Data Converter

Fix comma-decimal / semicolon-delimiter data so it stops breaking your import scripts. Runs entirely in your browser. Nothing is uploaded anywhere.

Or paste data directly

Only for a few rows, to quickly check the format. For full files, use the drop area above, it handles files of any size.

Why this tool exists

We simulated tens of thousands of rows of data for a university lab course, and every plotting script we tried choked on the comma-decimal, semicolon-delimited export. We tried pasting it into AI chatbots first, but the input was too long for their context limits. Find-and-replace corrupted quoted fields. Eventually someone technical wrote a one-off script and passed it around. That's the reason this exists, so the next group doesn't have to wait for the technical friend. Read the full story.