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Z-Image vs ImgExtender

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

Z-Image compared with ImgExtender
DetailZ-Image logo Z-ImageImgExtender logo ImgExtender
What it doesFree AI image generation platform with lightning-fast creation Expand photos without cropping or stretching
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: 10 credits per day. Premium: $7/month (2,000 credits per month) or $2.45 per 1,000 credits annually. Elite: $12/month (5,000 credits per month) or $1.98 per 1,000 credits annually. Video Pro: $50/month (25,000 credits per month for video generation). Pay as you go also available at $3.50 per 1 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
  • AI Image Generation from text prompts
  • 4K print-quality output
  • Bilingual prompt support in English and Chinese
  • Image editing with natural language
  • Prompt extraction from images
  • Creative Engine for prompt expansion
  • Multiple AI models including GPT Image 2 and Qwen Image 3
  • Video generation with AI
  • Hundreds of artistic styles
  • 2-5 second generation speed
  • 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
  • Lightweight 6B parameter model optimized for fast generation
  • 37% better Chinese language accuracy than alternatives
  • DiT architecture optimization for flagship quality
  • Open-source model that can run locally
  • Actually free with transparent pricing and clear safety rules
  • 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 planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)30 no change since last check12 −1 (down) since last check
Trust Flow (Majestic)134
Citation Flow (Majestic)3118
Referring domains (Majestic)15828

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