Introduction
Whether you’re fixing blurry videos, converting 1080p to 4K, or searching for the best video enhancer AI, this guide breaks down the top tools worth using in 2025.
Below is a curated list of the most accurate, fastest, and highest-quality AI upscalers available.
Best AI Video Upscalers to 4K (2025)
1. Topaz Video AI (Topaz Labs)
Topaz is widely considered the accuracy king for AI upscaling.
Why it’s great:
- Industry-leading detail restoration
- Perfect for fixing blurry Instagram videos
- Best-in-class stabilization + deghosting
- Supports up to 8K output
Ideal for: filmmakers, editors, agencies, high-end client work.
2. RunwayML — Super Resolution
RunwayML is simple, cloud-based, and extremely fast for batch upscaling.
Why it’s great:
- No GPU needed
- Fast cloud rendering
- Excellent for social media teams
- Turns 720p/1080p clips into crisp 4K
Ideal for: creators, marketers, freelancers.
3. Pixop
Cloud-native video enhancement built purely for pros.
Why it’s great:
- Good balance between price & render speed
- Handles old, noisy, compressed videos
- Multiple AI filters (denoise, sharpen, upscale)
Ideal for: documentary restorations, YouTuber archives.
4. AVCLabs Video Enhancer AI
A budget-friendly option for creators who need strong results.
Why it’s great:
- Affordable plans
- Strong face enhancement
- Converts SD/HD to 4K efficiently
Ideal for: budget creators, beginners, student filmmakers.
5. Media.io AI Upscaler
A straightforward, browser-based upscaler.
Why it’s great:
- Runs on any device
- Fast export
- Good for small video assets or reels
Ideal for: TikTok/Instagram editors optimizing fast.
Comparison Table: AI Upscaling Speed vs Price vs Max Resolution
| Tool | Speed (Relative) | Price | Max Resolution |
|---|---|---|---|
| Topaz Video AI | Medium | $$$ (One-time license) | 8K |
| RunwayML | Fast | $$ (Subscription) | 4K |
| Pixop | Medium–Fast | $$ (Pay-per-use) | 4K |
| AVCLabs | Medium | $ (Subscription) | 4K |
| Media.io | Fast | $ (Freemium) | 4K |
How to Choose the Best 4K Upscaler (Simple Framework)
Pick Topaz AI if…
You want the highest quality + precision.
Pick RunwayML if…
You want speed + cloud rendering without needing a strong PC.
Pick Pixop if…
You work with old, compressed, noisy footage.
Pick AVCLabs if…
You need budget-friendly 4K upscaling.
Pick Media.io if…
You need quick browser-based enhancement for reels/shorts.
How to Convert 1080p to 4K Using AI (Step-by-Step)
- Download your raw file with FastVideoSave
- Import the clip into your selected AI upscaler
- Choose output: 4K (3840×2160)
- Enable detail enhancement + noise reduction
- Preview the clip (crucial)
- Export and test on a 4K screen
- Re-run with sharper model if needed
Fix Blurry Instagram Videos With AI (Quick Tips)
- Export in H.265 with high bitrate
- Use AI sharpening before upscaling
- Avoid over-smoothing — choose “Natural” models
- Re-upload in 4K so Instagram compresses less
- Always edit before adding text/effects
Is AI upscaling better than traditional upscaling?
Yes — it reconstructs missing details using machine learning rather than simple interpolation.
Can you upscale any video to 4K?
Technically yes, but low-quality sources (240p–480p) may still look soft.
Will 4K upscaling reduce Instagram compression?
Yes. Uploading at 4K reduces the apparent quality loss.
Is Topaz AI worth the price?
For serious editors and agencies — absolutely.
Conclusion
Whether you’re enhancing client footage, prepping a YouTube video, or fixing blurry clips downloaded using FastVideoSave, AI upscalers make 4K quality accessible to everyone. Tools like Topaz Video AI and RunwayML offer unmatched clarity and speed, and the comparison table above makes it easy to pick the right one.