AI Image Generator: Aspect Ratio & 4K

Tracking since Apr 1, 2026.

Changelog

• May 8, 2026
  description

  🎨 Free Nano Banana AI Editor - Powered by Seeddream 4 & Nano Banana Pro
  
  Transform your ideas into stunning AI-generated images with the most advanced free AI image editor for Chrome! Generate, edit, and enhance images using cutting-edge AI technology with NO WATERMARKS and unlimited usage.
  
  🌟 What Makes Nano Banana AI Editor Special?
  
  This powerful Chrome extension combines Nano Banana's free AI infrastructure with Nano Banana Pro (Gemini 3 Pro) and Seeddream 4's 4K image generation capabilities, giving you access to professional-grade AI image creation tools directly in your browser. No downloads, no subscriptions - just pure creativity at your fingertips!
  
  🚀 Key Features
  
  ✨ Multi-Provider AI Support 🚀 NEW: Nano Banana Pro (Gemini 3 Pro): Experience the bleeding edge of AI with Google's latest model.
  
  4K Ultra-HD Resolution: Generate crystal clear images up to 4096x4096px.
  Massive Context: Upload up to 14 reference images for complex compositions.
  Advanced Reasoning: "Thinking Mode" ensures the AI perfectly understands your complex prompts.
  Free via Vercel: Use your $5 monthly free credits for enterprise-grade performance.
  🆓 Nano Banana Free Vercel: $5 monthly free credits with enterprise-grade infrastructure
  🆓 Google Gemini Free: Latest AI models with advanced image understanding
  💰 Nano Banana Paid Vertex: Premium Google Gemini models for professional results
  💰 Nano Banana Paid OpenRouter: Access to multiple premium AI models
  💰 BytePlus Seedream 4: 200 free generations on signup + $30 per 1,000 generations - outperforms Google Gemini in benchmarks
  💰 Comet Nano Banana: Competitive pricing with Gemini 2.5 Flash - cost-effective alternative to official providers
  💰 Comet Seedream 4.0: High-quality image generation with aspect ratio support at budget-friendly rates
  🎯 Advanced Image Generation & Editing
  
  Text-to-Image: Turn any text description into beautiful artwork
  Image-to-Image Editing: Upload and modify existing photos with AI
  Photo Enhancement: Restore old, damaged, or faded images
  Colorization: Bring black and white photos to life
  Object Removal: Seamlessly remove unwanted elements
  Background Replacement: Change backgrounds instantly
  Image Upscaling: Enhance resolution without quality loss
  Creative Transformations: Apply artistic styles and effects
  📐 Professional Aspect Ratio Support
  
  Create content for any platform with 11 different aspect ratios:
  
  16: 9 (YouTube, widescreen)
  9: 16 (Instagram, TikTok, Stories)
  21: 9 (Ultra-wide cinema)
  4: 3 (Traditional photos)
  3: 4 (Portrait photography)
  3: 2 (Classic print)
  2: 3 (Mobile photography)
  5: 4 (Large format)
  4: 5 (Instagram posts)
  1: 1 (Square format)
  9: 21 (Vertical banners)
  💬 Intelligent Chat-Based Interface
  
  Natural Language Commands: Chat with AI using plain English
  Conversational Editing: "Make this more vibrant" or "Add a sunset background"
  Iterative Refinement: Build upon previous generations
  Smart Suggestions: AI-powered recommendations for better results
  🖼️ Multi-Image Workflow
  
  Nano Banana Pro Power: Upload Up to 14 Images for deep context and style referencing.
  Standard Workflow: Upload Up to 3 Images for comparisons.
  Drag & Drop Reordering: Intuitive image arrangement
  Paste from Clipboard: Direct image insertion
  Batch Processing: Generate multiple variations simultaneously
  🎨 Nano Banana Pro & Seedream 4 Advanced Settings
  
  High Resolution: Up to 4K (4096x4096px) with flexible aspect ratios
  Custom Dimensions: Set exact pixel dimensions (256-4096px)
  Watermark Control: Toggle watermarks on/off
  Batch Generation: Create multiple images in one request (up to 15)
  Smart Compression: Automatic optimization for web use
  💰 Smart Cost Management
  
  Free Credits: $5 monthly with Vercel (Includes Nano Banana Pro)
  Seedream 4 Free Trial: 200 free generations on signup
  Competitive Pricing: Comet providers offer budget-friendly rates compared to official APIs
  Paid Options: Seedream 4 at $30 per 1,000 generations after free trial
  Cost Calculator: Track expenses before generating
  Credit Monitoring: Real-time balance updates
  Usage Analytics: Monitor your AI consumption
  🛠️ Professional Tools
  
  Lightbox Viewer: Full-screen image preview with zoom
  Multiple Export Formats: PNG, JPEG, WebP downloads
  Smart File Naming: Auto-generated descriptive filenames
  Copy to Clipboard: Direct image copying for other apps
  Download Optimization: Automatic compression under 2MB
  🎨 User Experience
  
  Dark/Light Themes: Comfortable viewing in any environment
  Auto-Save: Never lose your work or chat history
  Responsive Design: Works perfectly on all screen sizes
  Keyboard Shortcuts: Power user shortcuts for efficiency
  Toast Notifications: Clear feedback for all actions
  📱 Perfect For 🎬 Content Creators
  
  YouTube thumbnails and video graphics
  Instagram/TikTok content creation
  Social media marketing materials
  Blog and website imagery
  🎨 Design Professionals
  
  Mood boards and concept visualization
  Style explorations and mockups
  Client presentations and pitches
  Brand asset creation
  📊 Marketers & Businesses
  
  Eye-catching advertisements
  Promotional graphics and banners
  Product visualization
  Social media campaigns
  👨‍🎓 Students & Educators
  
  Visual explanations and diagrams
  Educational materials and infographics
  Research visualization
  Presentation graphics
  🏢 Freelancers & Entrepreneurs
  
  Quick mockups and prototypes
  Client deliverables
  Professional headshots and branding
  Marketing collateral
  🚀 How to Get Started (2 Minutes)
  
  Install: Add Free Nano Banana AI Editor to Chrome
  Get Free API Keys:
  Vercel (Recommended for Nano Banana Pro): Visit vercel.com/account/tokens - Get $5 monthly FREE!
  Google Gemini: Visit aistudio.google.com/app/apikey - Free tier available
  Seedream 4: Visit BytePlus website - Get 200 FREE generations on signup!
  Start Creating: Open extension, add your API key, begin generating!
  💡 Tips & Tricks for Better Results 🎯 Prompt Engineering
  
  Be Specific: "A majestic lion standing on a cliff at sunset" vs "lion"
  Add Style: "in the style of Studio Ghibli" or "photorealistic"
  Include Details: Lighting, mood, colors, composition
  Use References: Upload inspiration images for better results
  🔧 Provider Selection
  
  Use Nano Banana Pro: For the highest quality 4K images and complex multi-image prompts (up to 14 images).
  Start with Vercel: Free $5 credits, reliable performance.
  Use Seedream 4: For custom aspect ratios and high speed.
  Try Comet Providers: Budget-friendly options with competitive pricing.
  Switch Providers: Different models excel at different tasks.
  📐 Aspect Ratio Mastery
  
  YouTube (16: 9): Perfect for thumbnails and channel art
  Instagram (9: 16): Vertical stories and Reels
  Square (1: 1): Instagram posts and profile pictures
  Custom Ratios: Match your specific design requirements
  🖼️ Advanced Editing Techniques
  
  Iterative Refinement: Start broad, then refine with chat commands
  Multi-Image Workflows: Combine elements from different generations
  Background Removal: Use "remove background" or "transparent background"
  Style Transfer: "in the style of Van Gogh" or "cyberpunk aesthetic"
  💰 Cost Optimization
  
  Use Free Tiers: Maximize Vercel and Seedream credits
  Choose Comet Providers: Get competitive pricing on premium models
  Batch Generation: Create multiple variations efficiently
  Smart Compression: Automatic optimization saves bandwidth
  Monitor Usage: Track costs with built-in calculator
  🔧 Troubleshooting
  
  "API Key Invalid" Error
  Vercel: Keys start with "vck_" - get from vercel.com/account/tokens
  Google: Keys start with "AIza" - get from aistudio.google.com/app/apikey
  OpenRouter: Keys start with "sk-or-v1-" - get from openrouter.ai/keys
  Seedream: Check BytePlus API key format
  "Quota Exceeded" Message
  Free tiers have daily limits
  Wait for reset or upgrade to paid tier
  Switch to different provider with available credits
  Images Not Generating
  Check internet connection
  Verify API key is correct and active
  Try different provider
  Clear browser cache and reload extension
  Large File Upload Issues
  Maximum file size: 7MB per image
  Images are automatically compressed for processing
  Use smaller images or resize before upload
  📊 Technical Specifications
  
  Generation Speed: 10-30 seconds per image
  Image Quality: Up to 4096x4096px (4K) resolution
  Supported Formats: PNG, JPEG, WebP input/output
  File Size Limit: 7MB per image upload
  Multi-Image Support: Up to 14 images (Nano Banana Pro) / Up to 3 images (Standard)
  Aspect Ratios: 11 predefined + custom options
  Batch Generation: Up to 15 images per request
  🔒 Privacy & Security
  
  Local API Key Storage: Keys stay on your device, never shared
  No Data Collection: Images are processed securely and not stored
  Secure Connections: All API calls use HTTPS encryption
  Privacy-First: Your creative work remains completely private
  Chrome Extension Security: Follows Chrome's security standards
  🆚 Why Choose Free Nano Banana AI Editor? Unlike other AI image tools that limit you to basic features, Free Nano Banana AI Editor offers:
  
  ✅ NEW: Nano Banana Pro (Gemini 3 Pro) - 4K resolution & 14-image context
  ✅ $5 FREE Monthly Credits with Vercel enterprise infrastructure
  ✅ Seedream 4 Integration - outperforms Google Gemini in benchmarks
  ✅ Comet Providers - Competitive pricing alternatives to official APIs
  ✅ 11 Aspect Ratios for perfect social media formatting
  ✅ Multi-Image Editing with up to 14 images simultaneously
  ✅ Chat-Based Interface for natural AI conversation
  ✅ Drag & Drop Workflow with intuitive image reordering
  ✅ No Watermarks on any generated images
  ✅ Professional Export in multiple formats
  ✅ Auto-Save Protection - never lose your work
  ✅ Chrome Native - no separate apps or downloads needed
  🎉 Start Creating Today! Transform your creative vision into reality with the power of advanced AI. Download Free Nano Banana AI Editor powered by Nano Banana Pro & Seedream 4 now and unlock unlimited creative potential with professional-grade image generation tools!
  
  Free to use • No watermarks • 4K resolution • Multi-platform support

  🎨 AI Image Generator: Aspect Ratio & 4K - Powered by Seedream 4 & Gemini 3 Pro
  
  Transform your ideas into stunning AI-generated images with the most advanced free AI image editor for Chrome! Generate, edit, and enhance images using cutting-edge AI technology with NO WATERMARKS and unlimited usage.
  
  🌟 What Makes This AI Editor Special?
  
  This powerful Chrome extension combines advanced free AI infrastructure with Gemini 3 Pro and Seedream 4's 4K image generation capabilities, giving you access to professional-grade AI image creation tools directly in your browser. No downloads, no subscriptions - just pure creativity at your fingertips!
  
  🚀 Key Features
  
  ✨ Multi-Provider AI Support 🚀 NEW: Gemini 3 Pro Integration: Experience the bleeding edge of AI with Google's latest model.
  
  4K Ultra-HD Resolution: Generate crystal clear images up to 4096x4096px.
  Massive Context: Upload up to 14 reference images for complex compositions.
  Advanced Reasoning: "Thinking Mode" ensures the AI perfectly understands your complex prompts.
  Free via Vercel: Use your $5 monthly free credits for enterprise-grade performance.
  🆓 Vercel Free: $5 monthly free credits with enterprise-grade infrastructure.
  🆓 Google Gemini Free: Latest AI models with advanced image understanding.
  💰 Vertex Premium: Premium Google Gemini models for professional results.
  💰 OpenRouter Premium: Access to multiple premium AI models.
  💰 BytePlus Seedream 4: 200 free generations on signup + $30 per 1,000 generations - outperforms Google Gemini in benchmarks.
  💰 Comet Gemini 2.5 Flash: Competitive pricing with Gemini 2.5 Flash - cost-effective alternative to official providers.
  💰 Comet Seedream 4.0: High-quality image generation with aspect ratio support at budget-friendly rates.
  🎯 Advanced Image Generation & Editing
  
  Text-to-Image: Turn any text description into beautiful artwork
  Image-to-Image Editing: Upload and modify existing photos with AI
  Photo Enhancement: Restore old, damaged, or faded images
  Colorization: Bring black and white photos to life
  Object Removal: Seamlessly remove unwanted elements
  Background Replacement: Change backgrounds instantly
  Image Upscaling: Enhance resolution without quality loss
  Creative Transformations: Apply artistic styles and effects
  📐 Professional Aspect Ratio Support
  
  Create content for any platform with 11 different aspect ratios:
  
  16:9 (YouTube, widescreen)
  9:16 (Instagram, TikTok, Stories)
  21:9 (Ultra-wide cinema)
  4:3 (Traditional photos)
  3:4 (Portrait photography)
  3:2 (Classic print)
  2:3 (Mobile photography)
  5:4 (Large format)
  4:5 (Instagram posts)
  1:1 (Square format)
  9:21 (Vertical banners)
  💬 Intelligent Chat-Based Interface
  
  Natural Language Commands: Chat with AI using plain English
  Conversational Editing: "Make this more vibrant" or "Add a sunset background"
  Iterative Refinement: Build upon previous generations
  Smart Suggestions: AI-powered recommendations for better results
  🖼️ Multi-Image Workflow
  
  Gemini 3 Pro Power: Upload Up to 14 Images for deep context and style referencing.
  Standard Workflow: Upload Up to 3 Images for comparisons.
  Drag & Drop Reordering: Intuitive image arrangement
  Paste from Clipboard: Direct image insertion
  Batch Processing: Generate multiple variations simultaneously
  🎨 Advanced Settings
  
  High Resolution: Up to 4K (4096x4096px) with flexible aspect ratios
  Custom Dimensions: Set exact pixel dimensions (256-4096px)
  Watermark Control: Toggle watermarks on/off
  Batch Generation: Create multiple images in one request (up to 15)
  Smart Compression: Automatic optimization for web use
  💰 Smart Cost Management
  
  Free Credits: $5 monthly with Vercel (Includes Gemini 3 Pro)
  Seedream 4 Free Trial: 200 free generations on signup
  Competitive Pricing: Comet providers offer budget-friendly rates compared to official APIs
  Paid Options: Seedream 4 at $30 per 1,000 generations after free trial
  Cost Calculator: Track expenses before generating
  Credit Monitoring: Real-time balance updates
  Usage Analytics: Monitor your AI consumption
  🛠️ Professional Tools
  
  Lightbox Viewer: Full-screen image preview with zoom
  Multiple Export Formats: PNG, JPEG, WebP downloads
  Smart File Naming: Auto-generated descriptive filenames
  Copy to Clipboard: Direct image copying for other apps
  Download Optimization: Automatic compression under 2MB
  🚀 How to Get Started (2 Minutes)
  
  Install: Add AI Image Generator to Chrome
  Get Free API Keys:
  Vercel (Recommended for Gemini 3 Pro): Visit vercel.com/account/tokens - Get $5 monthly FREE!
  Google Gemini: Visit aistudio.google.com/app/apikey - Free tier available
  Seedream 4: Visit BytePlus website - Get 200 FREE generations on signup!
  Start Creating: Open extension, add your API key, begin generating!
  🔧 Provider Selection
  
  Use Gemini 3 Pro: For the highest quality 4K images and complex multi-image prompts (up to 14 images).
  Start with Vercel: Free $5 credits, reliable performance.
  Use Seedream 4: For custom aspect ratios and high speed.
  Try Comet Providers: Budget-friendly options with competitive pricing.
  🔒 Privacy & Security
  
  Local API Key Storage: Keys stay on your device, never shared
  No Data Collection: Images are processed securely and not stored
  Secure Connections: All API calls use HTTPS encryption
  Privacy-First: Your creative work remains completely private
  🎉 Start Creating Today! Transform your creative vision into reality with the power of advanced AI. Download AI Image Generator: Aspect Ratio & 4K now and unlock unlimited creative potential with professional-grade image generation tools!
  
  Free to use • No watermarks • 4K resolution • Multi-platform support

• May 8, 2026
  short_description

  Free Nano Banana AI editor powered by seedream 4. Generate 4K images without watermarks. Supports 16:9, 9:16 & More Aspect Ratios.

  AI editor with multiple generation models. Generate 4K images without watermarks. Supports 16:9, 9:16 & More Aspect Ratios.

• May 8, 2026
  name

  Free Nano Banana/seedream 4: Editor - No Watermark, Aspect Ratio Support

  AI Image Generator: Aspect Ratio & 4K

Permissions & access

Permissions

storageunlimitedStorage

Host access

https://generativelanguage.googleapis.com/*, https://openrouter.ai/*, https://api.vercel.com/*, https://gateway.vercel.ai/*, https://ai-gateway.vercel.sh/*, https://ark.ap-southeast.bytepluses.com/*, https://api.cometapi.com/*, https://query.cometapi.com/*

Screenshots

Similar extensions

Alternatives to AI Image Generator: Aspect Ratio & 4K, ranked by description similarity.

PromptPi! - Image to Prompt Template

Reverse-engineer images into AI prompts. Supports Batch processing. Contains affiliate links for recommended tools.

62

★ 5.0

MetaGen - Free Auto Veo & Nano Banana Pro

Automate bulk AI video & image generation with zero effort! Free, unlimited prompts for Google Labs. Save time and make money!

445

AI Image Generator - Text to Image Online

Turn text prompts into an image with AI; you can get the best free stock photos without searching from Pexels or Unsplash.

20.0K

★ 3.7

Auto Image Gen

Automate bulk image generation on Google Gemini. Batch process prompts, auto-download images with custom naming support.

1.0K

★ 4.5

NousSave: Export ChatGPT, Gemini, DeepSeek, Claude and Grok Chats to PDF

Effortlessly export AI chats to PDF, Word, Markdown, HTML & more. Features 'Deep Research' support and collapsible long messages.

2.0K

★ 4.5

AI Screenshot Assistant

Capture screenshots, extract text with AI, and generate emails

11

Ideogram Automator Pro

Automate ideogram prompts with Pro features and license verification.

38

★ 5.0

Simplify Prompts AI - ChatGPT Claude Gemini

Professional prompts library for ChatGPT, Claude, Copilot and Gemini. Save time with organized, reusable prompts.

110

★ 5.0