Open your CSV files. Commas, semicolons and tabs are all recognised.
Check the preview. Leave "Treat everything as text" off to get numbers you can add up.
Press Convert and save the Excel files.
Excel turns 07700 900123 into a number and drops the 0 when it opens a CSV. Here, any value starting with 0 stays as text, so it's kept exactly.
Yes. Commas, semicolons, tabs and pipes are detected automatically, so European CSV files open correctly.
Files saved as UTF-8 or as older Windows text are both recognised, so names like José and Zoë come out right.
No. Everything happens inside your browser, on your own device. The site's security settings stop the page from sending your files anywhere.
Yes. No sign-up, no daily limit and no watermark.
Yes, in Safari, Chrome and other modern browsers. You can open files from the Files app or your downloads, and save the results back.
Customer lists, contacts, bank exports and the routes you run from home stay on your phone or computer from start to finish.
How it stays private64 converters for the files people use every day.