Max 200MB • Min 5 seconds • MP4, AVI, MOV formats supported
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Supports MP4, AVI, MOV formats
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FlashVSR
4K Frame Enhancement with High-Fidelity Restoration
FlashVSR is the best AI video upscaler for 4K, designed to convert low-resolution videos to 4K with restored detail and consistent quality. Our advanced AI tool to enhance blurry videos effortlessly removes noise and artifacts for crystal-clear visuals.
Key Features of FlashVSR
High-Fidelity Detail Recovery, Optimized High-Speed Reconstruction, and Temporal Consistency. With 4x video resolution enhancement capabilities, FlashVSR supports video upscaling for long clips up to 10 minutes.
Up to 12x Faster Than Traditional Models
FlashVSR is up to 12x faster than traditional diffusion-based VSR models, providing lightning-fast video upscaling without compromising quality.
Flexible Upscaling Options
Choose from 1x to 4x resolution upscaling, offering true 4x video resolution enhancement capabilities. This allows you to enhance videos to Full HD, 2K, or 4K, with realistic detail preservation.
Integrated Color Correction System
FlashVSR is equipped with an intelligent color correction system to enhance the color accuracy of your videos.
Adjustable Frame Attention Range
It includes an adjustable frame attention range for temporal consistency, ensuring smooth transitions between frames.
VSR-120K Dataset Training
Trained on the vast VSR-120K dataset (120,000 videos, 180,000 images), FlashVSR offers superior results, making it ideal for various platforms that require high-resolution video output in real-time.
High-Fidelity Detail Recovery
Locality-constrained sparse attention reduces redundant computation, bridges the train-test resolution gap, and prevents texture aliasing and visual artifacts.
Optimized High-Speed Reconstruction
The tiny conditional decoder reduces decoding time to just 1/7 of previous methods without compromising quality.
Temporal Consistency
Minimizes flicker and ghosting across frames for stable motion.
Detail Reconstruction
Restores fine textures (hair, fabric, foliage) and sharp edges without over-sharpening.
Artifact Cleanup
Reduces compression blocks, ringing, and shimmering in challenging shots.
Motion-aware Upscaling
Preserves fast action and camera pans with fewer motion artifacts.
Natural Look
Balances perceptual quality with crispness to avoid plastic or overprocessed outputs.
AI Video Upscaler Showcase: Before & After 4K Video Enhancement
Experience the power of FlashVSR's AI video upscaler and 4K video enhancement technology. Compare original low-resolution videos with our AI-powered video upscaling results and see how we transform blurry videos into crystal-clear 4K quality.
AIGC Videos Enhancement
Long Videos Super-Resolution
Real-World Videos Super-Resolution
How to Use FlashVSR
Transform your low-resolution videos into stunning 4K video quality with FlashVSR's AI video upscaler in three simple steps. No video editing experience required.
1
Upload Video & Select Resolution
Start by uploading your video file and choosing your desired output resolution. Our AI video upscaler supports various video formats for seamless 4K video enhancement.
- Video minimum duration: 5 seconds
- Maximum file size: 200MB
- Choose resolution: 720P, 1080P, 2K, or 4K
2
Generate & Process
Click the Generate button to start the AI video upscaling process. FlashVSR uses advanced diffusion-based reconstruction to enhance your video with high-fidelity detail recovery.
Processing speed: approximately 3–20 seconds of wall time to process 1 second of video (varies by resolution and queue load).
3
Preview & Download
Once your 4K video enhancement is complete, preview the upgraded video in the preview area. Download your enhanced video to your local device with a single click.
- Preview enhanced video in the right panel
- Compare original vs. enhanced quality
- Download high-quality 4K video instantly
Applications of FlashVSR
FlashVSR empowers creators and professionals to enhance video quality across various industries and use cases. From converting low-resolution videos to 4K to restoring old movie footage with AI, enhance YouTube content quality, improve TikTok video clarity, or upscale game footage, FlashVSR is your comprehensive solution for video enhancement.
1
Video Post-Production
FlashVSR is widely applied by video post-production experts to upscale low-res footage to 4K, saving significant costs, especially for broadcast-quality video processing.
2
Independent Creator Content Production
For solo creators, FlashVSR enables delivering high-quality 4K videos to clients without expensive equipment, making it a game changer for their business.
3
Live Stream Content Enhancement
Live stream creators use FlashVSR to upscale stream highlights to 4K, significantly increasing viewer engagement and subscription count. Perfect for super-resolution for YouTube videos and to enhance YouTube content quality, ensuring your content stands out with professional quality.
4
AI Video Creation
AI video creators use FlashVSR to enhance Runway and Sora outputs, removing the 'AI look' and making the content more cinematic. Our AI upscaler for anime and film delivers exceptional results, making it the perfect AI upscaler for anime clips, bringing your creative vision to life in stunning 4K quality.
5
Social Media Video Optimization
FlashVSR helps social media managers improve video quality, increasing engagement by 3x, and becoming a competitive advantage. Perfect to enhance YouTube content quality and improve TikTok video clarity, ensuring your social media content stands out with crystal-clear visuals.
6
Video Restoration and Archival Restoration
Video archivists use FlashVSR as a professional film restoration tool to restore old videos, bringing decades-old footage into the modern era with stunning clarity. Our AI-powered technology can restore old movie footage with AI and restore old family videos, preserving cinematic quality and precious memories for future generations.
7
Independent Filmmaking
Independent filmmakers rely on FlashVSR as a professional film restoration tool for temporal consistency, ensuring no flickering or artifacts, resulting in smooth, natural 4K motion that meets industry standards.
8
Educational Video Enhancement
E-learning developers use FlashVSR to enhance old lecture recordings, dramatically improving student engagement.
9
Freelance Editing Services
Freelance editors use FlashVSR to offer enterprise-level enhancement capabilities, doubling client retention rate.
10
Corporate Training Video Enhancement
Corporate video editors use FlashVSR to transform old training videos into crystal-clear HD, impressing clients with the quality improvement.
11
Repurposing Archive Footage for Brand Campaigns
Brand marketing managers use FlashVSR to repurpose archive footage for modern campaigns, enhancing video quality.
12
Productivity Boost
Video producers use FlashVSR to complete video enhancement tasks that used to take days in just minutes, greatly boosting productivity.
13
Gaming Content Enhancement
Gamers and content creators use FlashVSR to upscale game footage, transforming low-resolution gameplay recordings into stunning 4K quality. Perfect for creating professional gaming content that captivates audiences with exceptional visual clarity.
What Creators Say About FlashVSR
Hear real feedback from creators and professionals across different industries
"FlashVSR saved our studio thousands. We upscale low-res client footage to 4K for broadcast—quality rivals native shoots."
"As a solo creator, FlashVSR lets me deliver 4K quality to clients without expensive equipment. Game changer for my business."
"Using FlashVSR for super-resolution for YouTube videos has been a game-changer. I upscale my stream highlights to 4K, and the quality boost increased my subscribers by 50%."
"I use FlashVSR to enhance all my Runway and Sora outputs. It removes that 'AI look' and makes everything cinematic. As an AI upscaler for anime and film, it delivers stunning results that rival professional post-production."
FlashVSR Video Upscaler FAQs
Quick answers to FlashVSR FAQs. Still need help? Reach us at support@flashvsr.art
The maximum clip length per job is 10 minutes, making FlashVSR ideal for video upscaling for long clips. This extended duration capability allows you to process entire scenes or full video segments without interruption.
Processing time is approximately 3–20 seconds of wall time to process 1 second of video, varying by resolution and queue load.
FlashVSR Video Upscaler delivers 2× and 4× scaling from SD through 4K, with experimental 8K pipelines aided by auto-tiling. Our 4x video resolution enhancement capability allows you to convert low-resolution videos to 4K with exceptional quality.
FlashVSR supports MP4, AVI, and MOV video formats. The maximum clip length per job is 10 minutes. The system automatically processes your video to ensure optimal quality enhancement.
FlashVSR is the best AI video upscaler for 4K, a next-generation diffusion-based video super-resolution model that upscales and restores low-resolution videos to 4K quality. It's the premier AI tool to enhance blurry videos with professional-grade results.
Unlike simple interpolation or bicubic upscaling, FlashVSR uses diffusion models to reconstruct natural details, remove compression artifacts, and maintain temporal consistency across frames.
FlashVSR excels at enhancing: 1) AI-generated videos; 2) Low-resolution or compressed social media videos (perfect for super-resolution for YouTube videos); 3) Old or archival footage (excellent for restoring old movie footage with AI); 4) Screen recordings or webcam captures. Our AI upscaler for anime and film delivers exceptional results for creative projects.
Processing time depends on input resolution and length: ~30-60 seconds for a 5-10s 720p clip; 1-2 minutes for 10-15s 1080p clips; 2-3 minutes for 15-20s clips upscaled to 4K.
FlashVSR supports 2× and 4× upscaling factors. Standard users get up to 1080p output; Premium users get 4K (3840×2160) output; Professional users get custom resolutions and aspect ratios.
Yes. Users can apply the enhanced videos to commercial projects such as video post-production, independent creator content production, live stream content enhancement, social media optimization, or film production without needing additional licenses.