OpenShot is beginner-friendly, works on all platforms, and is entirely free with no watermark.

Use to import your videos or drag them directly into the window.

If you need a full video editor without the limitations of a trial version, consider these reputable free options:

Select options to , optimize brightness and contrast, or remove background noise and shaking. Rotating and Flipping: Use the Rotate feature to fix orientation issues.

Adjust the start/end points for clips or arrange multiple files to merge them into one. Click Enhance Video to access automated improvement tools.

Use DaVinci Resolve for advanced, professional-grade tools with no watermark.

You can rotate 90 degrees clockwise/counter-clockwise or flip the image vertically or horizontally.