Change History Analyzer

1 Change history

Drop the change history file, or choose a file CSV or TSV with a date and time column and a column that describes each change.

Or paste the table

Change history rows, including the header row

Or type the changes yourself

One change per line: date | campaign | what changed

The campaign is optional: "8 Sep 2026 | Budget cut to ₹1,500" compares the whole account. Write "from … to …" to see the size of a budget or target change.

2 Daily performance report

Drop the daily report, or choose a file A Day column with Clicks, Cost and Conversions. Add Campaign to compare each change with its own campaign.

Or paste the table

Daily report, including the header row

Runs in your browser. Your files are not uploaded.

Settings

Compare the days before and after each change

7 days 14 days 28 days

Our measure. The change day itself is left out. Pick a longer window if your customers take weeks to convert.

Getting the change history

1 In Google Ads, open the Campaigns menu › Change history. Pick the dates in the upper right corner; it goes back up to two years.
2 Narrow it down if you like with the Views bar or the Campaign, Change type, User and Tool filters.
3 If the page offers a download, download the table as CSV. Otherwise select the rows, copy and paste them here, or type the important changes yourself.

Getting the daily report

1 Open Campaigns › Insights and reports › Report editor and choose Custom › Table.
2 Put Day in the rows (and Campaign, to compare each change with its own campaign), with Impr., Clicks, Cost and Conversions as columns.
3 Use the same dates as the change history, starting at least a week before the first change, and download it as CSV.

Your change timeline appears here

Add your change history and a daily report, or try the example: 60 days of a made-up gym in Pune with a budget cut, a target change and an auto-applied recommendation.

Free Change History Analyzer. Runs in your browser, no sign-up. Open the full tool on DigitalSnot →