You can use the best free video editing software available online to create, edit, add effects and improve the quality of your official and unofficial videos. Most fully licensed software is expensive and does not provide as good service. Therefore, it would be better to use the free video editors available online for free.
1. Windows Movie Maker 2.1: WMM 2.1 is the best free video editing software used to create, modify and share all kinds of movies, albums, etc. You can drag and drop the clips and compose your movie, and then you can share them using a DVD/VCD, email via the Web, video tapes for viewing on camera or TV, or by other means. WMM can work on all operating systems starting with Win XP running on a 600 MHz or higher processor
2. iMovie 4: You can make real-life videos, edit them, improve their quality, and share them with your friends on a VCD/DVD. You can run the clips and albums in iTunes and use them in iMovies. Compose your photo album by taking photos. You can edit, drag and drop clips, search for videos, and add titles, effects, and transitions all in one area.
3. Portable Movie Maker: PMM makes it easy to make effect changes to saved clips and compose them to make movies. It has a neat user interface, technical options, and making movies is a bit complex. The 2 tabs, the Collections tab is for managing videos that are currently being used and the Task tab has options to capture, edit videos, apply transitions and timeline effects to them, and save them in various formats.
4. vReveal – Video editing tool is one of the easy to use tools present in vReveal that can be used to improve the quality of the video. You upload videos (thumbnails) from folders; adjust them to improve quality with various options available. The left side window shows a preview of the original video and the right side window shows a preview of the video affected by the quality change, allowing you to compare.
5. YouTube Movie Maker: You can create, edit text/images/videos by making special effects and transitions, save in various formats, share and manage on your YouTube account. You can add music and sound effects, titles, texts, subtitles and crop, cut/split, zoom, crop and make HD videos.