Small tools for spreadsheet surprises. Turn CSV into Excel, untangle an awkward export, and keep your identifiers intact.
| # | product_id | postal_code |
|---|---|---|
| 01 | 00127 | 02108 |
| 02 | 00904 | 00123 |
| 03 | 00008 | 00501 |
Keep what matters.Leading zeros. Long IDs. Original values.
Look before you export.A real preview and clear structural warnings.
Your device does the work.No account. No uploaded file contents.
Start with your original file.
Leave with a result you can check.
Make a workbook that keeps your codes as text. No guessing what a number-looking identifier means.
A single column? Garbled characters? Inspect the separator and encoding before your next import.
Practical guides with original examples, useful next steps, and honest limits.
Explore all guidesTreat product codes and postal codes as text, before a spreadsheet changes them.
Check the separator, preview the records, and export the delimiter you need.
Understand UTF-8, the byte order mark, and what an encoding change can recover.
Read a tricky record correctly instead of splitting on every comma.
Your file contents stay in this browser. No account, upload, or saved file history. Website hosting still involves ordinary connection information.