If you aren’t already logged into Snapchat, tap Log In and enter your username (or email address) and password.

If the switch is green, filters are already enabled.

To apply filters to your face or a friend’s, center the face on your screen and tap it. Tap the camera icon in the top right corner of your screen to change the direction the camera faces.

Most effects will change in appearance if you open your mouth or raise your eyebrows (for example, the dog face effect sticks out its tongue if you open your mouth).

The time Your altitude The current outside temperature Location-specific filters (e. g. , the city you’re in) Snapchat may ask you for permission to access your location if this is your first time applying location-specific filters. If so, tap Allow.

For example, you can swipe to the temperature filter, then hold it down and swipe a city’s filter onto your snap as well. Some filters don’t go together (e. g. , time and altitude).

To apply filters to your face or a friend’s, center the face on your screen and tap it. Tap the camera icon in the top right corner of your screen to change the direction the camera faces.

Some effects will change your voice if you speak with them enabled. These effects will briefly display “Voice Changer” on the screen when selected.

Rewind - The «< icon will play your snap in reverse. Speed Up - The rabbit icons speed up your snap. One rabbit (the one with lines coming off of it) speeds up your snap immensely while the other only moderately increases your snap’s playback speed. Slow Down - The snail icon slows your snap down to half-speed. This will increase your video’s maximum playback time to 20 seconds (for a 10 second video). Temperature Time Snapchat may ask you for permission to access your location if this is your first time applying filters. If so, tap Allow.

For example, you can swipe to the black and white filter, then hold it down and swipe the Slow Down filter onto your snap. Some filters don’t go together (like the Slow Down and Speed Up filters).