UniFab vs ImgExtender

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

UniFab compared with ImgExtender
Detail	UniFab	ImgExtender
What it does	AI-powered online video enhancer for upscaling to 4K and restoring video quality	Expand photos without cropping or stretching
Stage	Established	Not given
Founded	Not given	Not given
Based in	HK	Not given
Pricing model	Freemium	Freemium
Pricing	Free credits for new accounts. Paid plans: 600 Credits starting at $16.67 ($0.0278/credit) or 1000 Credits starting at $25.00 ($0.0250/credit) with flexible monthly or yearly subscription, or pay-as-you-go one-time purchase.	Free: 10 credits (2 generations). Pro: $9.99/month ($119.88 yearly, 2,400 credits/year). Max: $29.99/month ($359.88 yearly, 9,600 credits/year). Each generation costs 5 credits. Free and Pro results are watermark-free for Pro and Max subscribers; free tier results are watermarked.
Key features	Upscale videos up to 4K with 1x, 2x, or 4x scaling options Frame-by-frame AI analysis and detail reconstruction Noise reduction and artifact removal Real-time preview of enhanced results No download or installation required Works on Windows, Mac, Chromebook, iPad, and mobile devices Supports MP4, AVI, MOV and more formats HTTPS/TLS encryption and automatic deletion after 3 days No watermarks on downloaded videos	Generate new canvas space around images in square, portrait, or landscape ratios Position subject within destination frame before generation Review generated space on comparison canvas before download No prompts required Browser-based editor with no software installation Private uploads and results by default Watermark-free results on Pro and Max plans Commercial use rights on paid subscriptions Support for JPG, PNG, and WebP formats up to 10 MB Same professional image-extension model across all plans
What makes it different	Advanced AI reconstructs missing details rather than stretching pixels like simple upscaling Cloud GPU processing eliminates need for powerful local hardware Natural-looking enhancement without artificial or over-processed appearance Never uses videos to train AI models and videos are deleted within 3 days Free credits for new accounts with no credit card required	No complex prompts or AI settings required—just set the frame and position the subject Designed specifically for image extension without upscaling or cropping Full control over composition and subject placement before generation One image adapted for multiple layouts and formats simultaneously Private by default with automatic deletion after 7 days
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	56 −1 (down) since last check	12 −1 (down) since last check
Trust Flow (Majestic)	26	4
Citation Flow (Majestic)	48	18
Referring domains (Majestic)	1254	28

5 details filled in for both companies.

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