Legacy upload page missing, how can I sync videos now?

Hello, I used the Legacy Upload page to sync Videos and GPX tracks. Now the page is missing (404 error). This page was useful to get the GPX start timestamp and then extract and sync the photos with mapillary_tools. I explained the process here.

How can I proceed now to sync GoPro video footage and GPX tracks using a map?
I cannot upload any more photos extracted from videos until I find a way.

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I read your process and I suggest you to use JOSM to sync GPX and pictures (extracted from video). Add PhotoAdjust and Photo_Geotagging plugins.

  • Load the pictures and GPX files together in JOSM (drop them in the software).
    A window opens to set the synchronization.
    Now you have a track (GPX) and icons (pictures) on it.
    On the right you have a Layer panel with this 2 entities (Alt+Maj+L to display it).
  • Right click on the geolocated images’ layer and click Write geodata in header (EXIF icon).
    A window opens to save the data in the files.

And done!
You files have now EXIF GPSLatitude and GPSLongitude datas setted.

:spiral_notepad: About pictures extraction from video: it’s better for image accuracy to take pictures with the gopro instead of use images from videos. This post [FR] gives an example.