Your G-code

Read locally by your browser and never sent anywhere. Plain-text G-code only; binary .bgcode files are not supported.
Read from the file when the slicer wrote it; otherwise 1.75 or 2.85 as your filament is.
Default is PLA’s solid density from a published data sheet. The file’s own value is used when present.
Any currency, for the cost line.

Result

Working out the result.