What does the Duplicate Row Finder do?
Free online Duplicate Row Finder — part of TeckForge's excel tools. Runs entirely in your browser: no upload, no sign-up, no data ever stored. It's part of TeckForge's excel tools collection, sitting alongside related tools you can reach from the sidebar.
How to use the Duplicate Row Finder
- Open the Duplicate Row Finder — works with .xlsx, .xls, and .csv files.
- Upload the spreadsheet (or spreadsheets) you're working with.
- Let the tool do its work, then check the results in the preview.
- Download the updated spreadsheet file.
Frequently asked questions
Does it support both Excel and CSV files?
Yes, the Duplicate Row Finder works with .xlsx, .xls, and .csv formats.
Is my spreadsheet data private?
Yes — the Duplicate Row Finder processes everything in your browser tab; your data is never uploaded to a server.
Will my formulas or formatting be preserved?
Basic formatting is preserved where relevant to the tool's task; check the result preview before downloading to confirm it looks right.
