1. Tap on a clip to select it. Your clips are represented by round thumbnails at the bottom of your screen.
2. A toolbar will appear at the bottom of your screen. Select Filters on the toolbar.
3. A selection of different filters will appear. Tap on them to test them out.
4. If the Apply All button in the bottom right of your screen is blue with a checkmark your filter will apply to your entire video. If it is grey with an ‘x’ it will only apply to one clip. Tap Apply All to change between these settings.
5. When you have decided on a filter tap Okay.