Here’s a list of free / open-source tools I built for different clients. I hope they’ll help you to automate everyday tasks. Please welcome to send me any feedback, questions or PR.


Dataform package to prepare session and event tables from Google Analytics 4 (GA4) BigQuery raw data.

Free tool to convert GA3 IP filters to GA4 CIDR filters.


Open source Python library to automate everyday Google Tag Manager tasks.

MeasureMinds GtmCleaner

Free web tool to rename GTM tags, triggers, variables. Also supported: GA3->GA4 migration, GA3 auto-events. Works by GTM API or by exported .json container. Built for MeasureMinds Agency.