The viral spider filter is available right from the TikTok app, so if you want to try it out for yourself, just follow these steps:

1. Open TikTok.
2. Type ‘Spider filter’ in the search bar and select a video that has used the effect.
3. Click on the orange filter box above their username.
4. Press ‘Use this effect.’
5. Hold your phone so either your face or someone’s face is on camera.
6. Now a spider will begin crawling across your screen.