Beta · JSONL and legacy CSV

Turn Nest Takeout runtime
into continuous CSV.

Normalize Nest's monthly JSON, JSONL, or legacy CSV files into raw HVAC events and overlap-safe daily runtime totals. Source units and uncertainty stay visible; no AI key or cloud upload is used.

Upload Nest thermostat export

Google Takeout ZIP or runtime JSONL, JSON, or CSV · 200 MB maximum.

FAQ

Takeout does not reliably provide one home timezone across export generations. UTC is deterministic and avoids silently assigning runtime to the wrong local day.

Intervals for the same device, mode, and UTC day are unioned, so overlapping monthly files are not double-counted.

No. Events without a valid start/end or explicit duration remain in the raw CSV with a warning and are excluded from totals.

No. It organizes source data only and makes no billing, safety, or efficiency claims.