Thousands of users of the online Telemetry Extractor provided the necessary feeback to create a more advanced tool. One that works offline, enables batch processing, merging the data from consecutive video files and more.

Get it here: https://goprotelemetryextractor.com/gopro-gps-telemetry-extract

Some of its features:

• Offline
• Use it anywhere, no internet needed
• No data charges
• Faster on powerful computers
• 100% privacy
• Load and process multiple files at once
• Merge metadata of consecutive files
• Data smoothing to reduce noise
• More frequency options
• Custom settings
• Windows and MacOS versions (plus Linux if requested)
• Extract highlight tags and extra data
• Email support (1 year)
• Software updates (1 year)
• No ads

Here's a general tutorial of the software.