Add Timestamps to GPS Files

Possible Uses for this tool (this is just a partial list):

  • You want to re-create an activity that you did in real life, but lost the GPS track for.
  • You have a GPS course/route that you want to view on a map such as Strava - but timestamps are required to upload the file.
  • You do the same activity every day, but you lost it today; you can time-shift an old activity to make it again with a new date.
Don't use this tool to cheat. Speed will be mathmatically generated, which can be detected here.

Drop files here
Outdated Browser?
Import directly from Strava (must be logged into GOTOES)Click here to hide Strava import preview
Activity Duration: To Be Determined
Use Elevation in Calculating Speed:

Limits: 20 files max; 14MB each; 19MB total. If GPX/TCX are too big, ZIP them. See strategies for uploading larger files.

Paste date/time

Examples:
2025-04-13 09:34:00
4/13/2025 9:34 AM
April 13th 2025, 10:05
20250413 0934