Video Background Replacementput any background on your video without a green screen
AI replaces the background in your video — no green screen needed. Office, studio, nature, or outer space — with frame-by-frame tracking.
74+ models in one place
Works right in the browser
All payment methods
Ready-made prompts
Edit from video
Put together a short clip from the video, add cinematic color grading and music
Reels
Make Reels from the video: quick cuts, transitions synced to the music
Night city background
Make an edit from my video against a night city backdrop, neon glints, 9:16
Example results
Why Moleculs.ai
A straightforward way to work with AI
One subscription, one payment
One balance for every model - no separate plan for each service
Works right in the browser
Nothing to install or configure - open a tab and start
All AI models in one place
Text, images, video, and music - all under one subscription
Clear, simple interface
Clear Russian throughout the whole product - no translation, no guesswork
Quick start
Sign up in a minute, no complicated setup - straight to work
No access restrictions
Services are never blocked and stay available around the clock
Why replace the background in a video?
When the background in your footage doesn't fit or is distracting, AI swaps it for any other with a realistic result.
Video Calls & Streams
Swap your room background for a neutral or branded one.
YouTube & Vlogs
A professional background for videos filmed at home.
Advertising
Background replacement for product and promo videos.
Educational Content
A clean background for lectures and tutorial videos.
Creative Projects
Fantastical and abstract backgrounds for creative work.
Your Own Background
Upload any image or video as the new background.
All of it happens in one window. Pick a task, write a short prompt, and get a draft you can quickly shape into your own.
How to replace a video background
Step 01
Upload the video
Add the clip whose background you want to replace.
Step 02
Choose a new background
Pick one from the catalog, describe it in words, or upload your own image.
Step 03
Frame-by-frame replacement
The AI separates the subject from the background in every frame and swaps in the new one.
Step 04
Download the result
Check the quality and save the video with its new background.
What our users say
Real reviews from our Telegram community
Why choose Moleculs.ai
One access point for every model - without the limits of a single aggregator
Moleculs.ai
Other services
Every top model in one subscription
Works right in the browser
Professional roles and presets
Free trial period
User support
Projects for task-based work
Beta
Response language setting
Moleculs.ai makes it faster and more cost-effective
With Moleculs.ai you get dozens of models in one subscription, clear limits, and ready-made presets that save you time. The tool helps you scale content, work as a team, and automate routine tasks without extra costs. All of it faster, simpler, and more cost-effective than piecing together separate tools.
Choose a plan for your needs
Answers to questions
You describe the scene, style, and length, and the AI creates a video clip from a text prompt or an uploaded image. Generation takes anywhere from 30 seconds to a few minutes, depending on complexity.
Try Moleculs.ai right now
Describe your task in a single field and get a finished result in minutes. Moleculs.ai brings together the best AI models for text, images, video, and voice in one interface. Start with a free generation, then upgrade for a larger token limit: write text, scale content, and switch between models without juggling extra tools.