Sci Fi Backgrounds
Browse 770+ Sci Fi Backgrounds to download free for any screen
Browse 770 Sci Fi Backgrounds, sorted so the strongest work surfaces first. Both crowded, maximal frames and sparse ones are represented. 3840x2160 is the ceiling, which handles 4K monitors without softening. Works in any app that accepts a still background image. Grab one without handing over an email address. Try the related collections underneath for a different angle.
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A woman with red hair sits on a rooftop overlooking a futuristic city at sunset. -
Woman in gown sits on futuristic bed looking out space station window at planet and spaceship. -
Captain America holding shield and glowing hammer in stormy sky with lightning. -
Futuristic digital interface with glowing blue holograms and data streams. -
A star destroyer orbits a glowing orange planet in deep space. -
Cartoon couple sitting on couch with lighthouse and moon in window behind them. -
Blue light trails swirl and burst across a dark city street at night. -
Aurora lights glow over a planet's atmosphere with stars and a moon in the night sky. -
A girl in a red coat watches glowing particles over a burning cityscape at dusk. -
A smiling cartoon alien with rainbow-colored skin and big eyes. -
Close-up of a gray alien head with large black eyes. -
Burning alien warships hover over a futuristic city at sunset. -
Futuristic city with glowing hexagons and neon lights in smoky darkness. -
A person falling through fire above the Space Needle at night. -
A man in tactical gear surrounded by electric lightning in a ruined city alley. -
Yellow flying saucer with red lights and blue dome hovering in space. -
A simple white line drawing of a UFO with lights against a black background. -
Dramatic cosmic sunset with fiery clouds reflected in calm ocean waters. -
A cartoon alien in a flying saucer holding lollipops and surrounded by candies. -
A blue cartoon alien with red antennae sits in a gray flying saucer against a black background. -
Gray chibi alien with blue eyes and visible ribs crouching. -
Purple UFO silhouette with three dots and slit mouth on black background. -
Hello Kitty red bow logo on white background -
A floating alien planet reflects in a tranquil lake under a sky with crescent moons. -
Astronaut drifting in space near a ringed planet with a purple nebula. -
Green cartoon alien face with big eyes and a smile. -
A torii gate in misty reeds under a dark stormy night sky. -
Anime character wielding glowing energy in a cosmic swirl with text. -
Futuristic warrior slashes with glowing sword in combat arena with allies. -
A green cartoon alien in a purple UFO with orange and red lights. -
Anime character with pink hair unleashing purple energy in a vibrant pink and cream scene. -
Sleek UFO with glowing ring floats through colorful cosmic nebula. -
Red UFO flying over a red planet surface under a starry sky. -
Doctor standing in a sci-fi control room facing Daleks -
Firefly Transportation Service logo with leaf silhouette and peach banner on brown background. -
A red planet silhouetted against a starry cosmic background with glowing nebulae. -
A flooded city with a broken bridge and a submerged car under stormy skies. -
Futuristic alien city with flying ships at sunset under a glowing sky. -
A glowing cosmic nebula with purple and blue hues against a starry night sky. -
A green cartoon alien holding a small rocket. -
A cheerful green cartoon alien with big eyes and a smile. -
Sleek silver UFO with glowing purple lights against black background -
A person stands alone in a burning city under hovering alien spacecraft. -
A green cartoon alien with antenna smiling with closed eyes. -
Close-up of a furious face with blue eyes and splattered grime. -
A bald man on a rooftop generating blue lightning in a city at sunset. -
Man in beanie crouching in city with fiery energy streams from hands and feet. -
Man in yellow jacket controlling lightning in a ruined city alley. -
A man in tactical gear runs through a glowing supernatural battlefield at night. -
A superhero with glowing hands leaps over a burning city at night. -
A green three-eyed alien and orange rabbit wearing patterned dresses smile together. -
Futuristic car speeding through a burning city street at night with energy trails and explosions. -
A person and dog on a planet watching a colorful cosmic nebula. -
A silver UFO spacecraft floating in darkness -
A cartoon UFO beams a golden light downward against a black background. -
A wooden UFO pet house with light blue base and two antennae. -
A cartoon UFO with blue dome and orange trim against black background. -
Futuristic starship NCC 1701D floating in space with glowing lights. -
Pixelated UFO with alien and green lights hovering over fiery vortex. -
Futuristic warship deck with glowing turrets and machinery at night. - Next page
Showing 1–60 of 770 wallpapers
Frequently asked questions
Is anything held back on these Sci Fi Backgrounds?
Free, at every size. There is no registration step. Nothing is watermarked, and the full-size file is the free one.
What size do these Sci Fi Backgrounds download at?
The largest file here is 3840x2160. Comfortably within 4K territory. We build the smaller sizes automatically — pick the one that matches your screen rather than resizing it yourself.
Do these Sci Fi Backgrounds work on a tall screen?
Landscape and portrait sit side by side. Roughly 46 landscape versus 14 portrait. Whichever you pick, the sizing is done.
Which other collections go with Sci Fi Backgrounds?
Closely related collections include cyberpunk 2077, sci, cyberpunk, warrior.
How much choice is there in Sci Fi Backgrounds?
We hold 770 Sci Fi Backgrounds in this set. Fresh additions land regularly. There is no charge whichever size you pick.
