Sheets Changes Detector

Detect Excel changes, 100% on your device
All files & data are processed and stored on this device only (browser IndexedDB). Nothing is ever uploaded to any server.

Baseline Data

Enter a project name and upload the first Excel file. This file becomes the reference used to detect changes in every file you upload afterwards.

So you can recognize this project later in the list.
Tap to choose a file
.xlsx, .xls, or .csv
The first sheet in the file will be used. The first row is treated as the column headers.

Check for Changes

Upload the latest version of the Excel file to see which rows & columns changed compared to the baseline.

Manage Project

Upload Latest File

Tap to choose a file
.xlsx, .xls, or .csv