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Anyone in here who can help me repair a broken fit file? I've seen a few folks help do it in other threads, but they are old. Thank you!

As the subject says, I have a broken FIT file I cannot upload to Connect. It's on my watch but doesn't sync to GC. I can download the fit file from the watch to my computer but I cannot successfully upload onto garmin connect.  Just gives me an error. Can anyone have a look at this fit file and repair it for me? Pretty please! Thank you!

2024-08-03-12-25-50.fit.zip

  • Hero!

    What seemed to be the issue? I'm on a mac, so couldn't use "the tool" everyone is referring to.

    Thank you so, so very much! 100

  • No worries! There was a tiny amount of corrupted data (895 bytes).

    I'm on a mac, so couldn't use "the tool" everyone is referring to.

    Yeah, I used the FIT File Repair Tool. I am pretty sad that's it's an MS Access app, although I'm grateful to the dev for putting in a huge amount of work into it.

    There is a Java activity repair tool in the FIT SDK, and I did try it - it seems to work, but it throws away a ton of data, like laps, HRV and GPS metadata, so it doesn't seem to be the best choice. (The repaired file was half the size of the original, in this case.)

  • If you do want to run fit file repair tool on a mac, you could always try running Windows 11 on UTM:

    - UTM (like Parallels, but it's free): https://mac.getutm.app/

    - You should be able to run Windows 11 indefinitely without activation (certain cosmetic features will be unavailable and you'll see a watermark on your desktop)

    You'd still have to pay for FIT File Repair Tool ofc. Obviously I would recommend trying out the trial version on the above setup first.

    That probably is a lot of work just to run one app tho.

  • It looked like something was wrong. "The tool" that everyone is talking about isn't compatible with my Mac. It means the world to me.

    cx

    forums.garmin.com/.../1811278 basketball stars

  • Yeah, as discussed above, FIT File Repair Tool doesn't work on Mac. It's an MS Access app, which means it only works on Windows.

    If you want to run it on Mac, you would have to run Windows on your Mac in a virtual machine like UTM or Parallels, as mentioned above. It would take some work, but you could do this for free by using UTM and an unlicensed copy of Windows 11. Once you get that working, you could try out the demo version of FIT File Repair Tool. If you like it, you could buy a license.

    You could also try FitEdit (https://www.fitedit.io/) which is far more modern than FIT File Repair Tool, and runs on both Mac and Windows. I've tried it and it seems like it's far less capable than FIT File Repair Tool though.

    As mentioned above, you could also try to the activity FIT repair tool (developer.garmin.com/.../) that comes with the Garmin FIT SDK, although it will definitely throw away a lot of data.

  • Thanks for the plug! Feel free to let me know if there's anything helpful I can add to FitEdit.

  • I've had good luck with the 'Go Toes' website.  Upload the broken .fit and then export it as a .fit.  Works for me and is OS agnostic. Not associated, just a happy user.