Lumia Video Trimmer is able to trim all clips captured with your Lumia device. Commonly these are H.264 with an .mp4 container. You can't trim a video which you have downloaded from web. Most likely it probably is not in the right format.
- What Bluetooth profiles are used on my Lumia phone?
- The cable connection between my Lumia phone and computer does not work
- What can I do if the latest Lumia extras are missing on my phone?
- NFC pairing of the Wireless Charging Plate (DT-903) is not working Device Hub, what can I do?
- Why are the photos taken by Lumia Selfie different than with a normal camera on my phone?