Prevents accidental high-cost queries in BigQuery. Warns on SELECT * and allows setting a cost threshold.
Users
10
−2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#195K
#163K among extensions
Version
1.0
updated 24 Nov 2025
Users
monthly, 11 months
Latest, 16 Oct 2026:10 usersMove the mouse over the chart for any month
Ratings count
monthly, 11 months
Latest, 16 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About BigQuery Select * Cost Guard
**Save money and avoid accidental high-cost queries in BigQuery!**
> BigQuery Cost Guard is a must-have tool for data engineers and analysts. It acts as a safety net, warning you before you run expensive queries.
**Features:**
> * **⚠️ Smart Warnings**: Detects `SELECT *` and warns you immediately.
> * **💰 Cost Threshold**: Set your own budget (e.g., 100 MB). You'll only be warned if the query cost exceeds this limit.
> * **🛑 Run Confirmation**: Blocks the "Run" button and shows a confirmation dialog if the cost is too high.
> * **⚡️ Real-time Cost Flashing**: Highlights the query cost in red to grab your attention.
> * **🔒 Privacy Focused**: Runs entirely locally in your browser. No data is sent to any server.