Do I need to download or install desktop software?

No installation is required. Flow AI is a 100% browser-based online video editor that runs smoothly on Mac, Windows, Linux, Chromebook, iPad, Android, and iPhone. You never have to worry about desktop storage limits or heavy hardware requirements.

How does prompt-driven AI video editing work?

Simply upload a source video clip (up to 15 seconds) and describe what you want changed—such as swapping a sunny afternoon for a rainy cyberpunk street, changing an actor's wardrobe, or adjusting cinematic lighting. Flow AI's multimodal video model re-synthesizes the scene while faithfully preserving character identity, camera motion, and composition.

Can I extend the duration of an existing video clip?

Yes. Our Extend Video tool analyzes the concluding 10 seconds of your clip and generates an extra 3 to 10 seconds of natural, continuous motion. This solves the common problem of AI video clips feeling too short for YouTube B-roll, intros, or cinematic storytelling.

Can I upscale blurry or low-resolution video to 4K?

Yes. The Upscale Video feature uses neural super-resolution to enhance compressed, low-resolution 360p or 720p clips into pristine 1080p Full HD and razor-sharp 4K Ultra HD, restoring fine textures, sharp edges, and facial details.

Will my exported videos have a watermark?

Every video you export from Flow AI is 100% watermark-free, even on free trial credits. You receive clean, high-bitrate MP4 files ready for client deliverables, commercial campaigns, and personal channels.

What video formats and aspect ratios are supported?

Flow AI supports all modern video formats including MP4, WebM, MOV, and M4V. You can edit and export in standard 16:9 widescreen, 9:16 vertical portrait (ideal for TikTok, Instagram Reels, and YouTube Shorts), 1:1 square, and 4:5 social feeds.

Is my uploaded footage private and secure?

Your files and projects are strictly private to your account. Flow AI uses enterprise-grade encryption and will never publicly share, display, or train public models on your private creative assets without explicit authorization.

Omni Flash 1.2 Tools

Gemini Omni Flash 1.2

Rewrite a clip with a prompt. Source must be 15 seconds or less.

Source video

Prompt

0/20000

Resolution

Required Credits9

UI preview on /_test. No fal submit, credits, or upload.

Video Processing Preview

Processed video will appear here

Upload a video on the left, adjust your settings, and click generate. Your processed video will appear here.

Free Online Video Editor & AI Video Studio: Fast, Powerful, In Your Browser

Effortless editing, unskippable AI videos. Trim clips, extend scenes, upscale to 4K, and rewrite visual elements with natural language prompts—all in your browser with no watermarks.

Start Editing Free

4.9 / 5.0|Top-rated online video editor for creators & modern marketing teams

Rewrite Video Clips with Natural Language Prompts

Skip hours of painstaking rotoscoping, masking, and color correction. Simply describe the changes you want—from swapping a city street for a futuristic skyline to adding cinematic volumetric lighting—and let generative AI deliver the cut in seconds.

Conversational Scene Direction

Alter weather, time of day, background scenery, and clothing without reshooting live footage.

Identity & Motion Preservation

Multimodal neural models maintain actor facial anatomy, hair details, and physical motion vectors.

Rapid Iterative Prototyping

Test multiple visual variations in 360p Draft mode at half credit cost before finalizing.

Try Prompt Editing

Extend Footage & Upscale to 4K Ultra HD in One Click

Never discard a shot that ended half a second too soon. Extend existing footage seamlessly into longer sequences, and upscale historical or compressed assets into crisp 4K Ultra HD for premium displays and commercial broadcasts.

AI Video Continuation

Add 3 to 10 seconds of coherent continuation to any clip, preserving velocity and camera movement.

4K Neural Super-Resolution

Neural super-resolution sharpens low-bitrate and blurry footage into clean 1080p and 4K masters.

Pristine Commercial Exports

Clean, uncompressed MP4 downloads with zero watermarks or platform restrictions.

Try Extend & Upscale

Why Creators Choose Flow AI Over Traditional Editors

See how Flow AI's generative video editor compares to traditional timeline software and basic web trimmers.

Generative Prompt Editing

Directly type instructions to swap backgrounds, alter wardrobe, and reshape lighting without manual masking or rotoscoping.

Capability Score9.9 / 10

Seamless Video Extension

Generates natural motion continuation from ending frames by up to 10 seconds without jarring jump cuts.

Capability Score9.8 / 10

Neural 4K Upscaling

Neural super-resolution restores compression artifacts and scales clips up to razor-sharp 4K Ultra HD.

Capability Score9.7 / 10

Zero-Install Cloud Workflow

100% cloud-powered in any browser with zero installation, instant startup, and automatic cloud saves.

Capability Score10 / 10

Cost & Iteration Efficiency

Fast 360p draft generation mode saves credits before rendering the final 1080p or 4K master.

Capability Score9.6 / 10

How to Edit Videos Online in 4 Simple Steps

A streamlined four-step workflow engineered for rapid social turnarounds and high-end video production.

1
Upload Your Footage
Drag and drop any MP4, MOV, or WebM video file into the online workspace, or choose an existing clip from your creations history.
2
Pick Your Editing Mode
Select Edit Video to rewrite with prompts, Extend Video to add 3–10 seconds of motion, or Upscale Video to raise clarity up to 4K.
3
Configure Parameters
Set your target resolution, adjust extension duration, preview the required credits, and tailor prompt directives for your desired style.
4
Export Watermark-Free
Preview your edited clip in real time, compare results, and download clean, watermark-free high-resolution MP4s ready to publish.

Tailored Video Editing for Every Creative Need

From viral short clips to commercial ad campaigns, discover tools built for your specific video workflow.

Viral Social Media Video Editor

Repurpose horizontal footage into high-retention 9:16 vertical videos for TikTok, Instagram Reels, and YouTube Shorts. Keep the focal action centered automatically.

✓

Auto-frame 16:9 videos into 9:16 vertical reels

✓

Hook-driven trimming to boost viewer retention

✓

Native sound synchronization for dynamic audio punch

✓

Watermark-free downloads ready for instant upload

Versatile Video Editing for Creators & Teams

Discover how solo creators, agency video editors, and fast-growing brands use Flow AI every day.

Social Creators

TikTok & Instagram Reels

Transform widescreen footage into engaging 9:16 vertical videos with subject centering and punchy pacing for TikTok and Reels.

9:16 vertical re-framingDynamic hook timingWatermark-free export

E-Commerce

High-Converting E-Commerce Ads

Generate dozens of ad variations by altering backgrounds, lighting, and product styling to scale paid social return on ad spend.

Rapid ad variant testingBackground swap without green screenCommercial 4K fidelity

Post-Production

B-Roll & Transition Extension

Extend short b-roll and establishing shots by up to 10 seconds to fit precise voiceover timing and transition points.

Seamless 3–10s extensionNo jump cutsFluid camera motion

Restoration

4K Video Super-Resolution

Restore compressed, pixelated, or vintage footage to razor-sharp 1080p and 4K with deep neural texture reconstruction.

Super-resolution upscalingArtifact reductionEdge detail sharpening

Creative Art

Artistic Style Transfer & Restyling

Reimagine live-action video into anime, cyberpunk, watercolor, or film noir aesthetics with natural language style transfer prompts.

Prompt-driven style transferConsistent temporal coherenceExpressive artistic lighting

Publishing

Clean Watermark-Free Publishing

Export clean, professional MP4 master videos with no watermarks, ready for YouTube, corporate meetings, and clients.

Zero watermarksUniversal MP4 compatibilityInstant browser download

Frequently Asked Questions

Everything you need to know about browser-based AI video editing, extending, upscaling, formats, and credits.

Yes! You can start editing immediately in the interactive workspace at the top of this page. Flow AI provides complimentary generation credits so you can try out AI video rewrite, duration extension, and 4K upscaling with zero upfront cost or credit card required.

Experience the Next Era of Online Video Editing

Upload your raw clips into the workspace above. Rewrite footage with simple prompts, extend scenes without jump cuts, and upscale to 4K in seconds.

Start Editing with Flow AI