GC

GlucoseCurve

Your Dexcom file never leaves your device.
Processing happens only in your browser — nothing is stored or uploaded.
Free, visual, educational curves for meals and rapid-acting insulin. Not medical advice. Not for real-world dosing decisions.
GlucoseCurve does not collect user data or use cookies.
Anonymous hosting data is collected by the web provider, GlucoseCurve does not handle this directly.

Upload Dexcom CSV

Export your data from Dexcom (usually as a CSV file) and upload it here. This page runs entirely in your browser – your file is not uploaded to a server.

mg/dL
mg/dL

After uploading, pick a specific day, or leave this on “Most recent day”.

Dexcom graph

Load a Dexcom CSV and choose a view to see a simple CGM curve.

Average glucose
Time in range
Time below range
Time above range

In “Single day” mode, pick which day to graph.
In “Whole file” mode, the graph shows all readings in this export.

Pattern notes

After you upload a file and run the analysis, simple pattern notes will appear here about overnight, morning, and evening trends.

Where to find your Dexcom CSV

Not sure where to find the export option? On Dexcom apps, look for “Export data” or “Download CSV”. It may be under Account → Reports → Download.

Screenshot showing Dexcom CSV export button
Important: This analysis is for education only and may not match your device reports exactly. It is not medical advice and should not be used to make treatment changes. Always follow the plan from your healthcare team. Do not use this site to choose real insulin doses, change your treatment, or manage emergencies. Always follow the plan from your healthcare team.