A great software tool for Instagram videos is InShot. It's an intuitive mobile app that allows you to edit videos with features like trimming, speeding up, or slowing down clips, adding music, text, and transitions. InShot also supports aspect ratio adjustments to fit Instagram's various formats, such as posts, stories, and reels. Another popular tool is Adobe Premiere Rush, a simplified version of Adobe Premiere Pro, which offers professional editing tools, color correction, and audio control. Both tools are excellent for creating high-quality videos tailored for Instagram, whether for casual content or more polished productions.