⚡ Chrome Extension Image Resizer Pro

Professional tool to prepare assets for Chrome Web Store

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Upload original logo (recommended â‰Ĩ 512x512px, PNG with transparent background). Tool will automatically generate all required sizes.
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Click or drag & drop your logo here
Supported: PNG, JPG, JPEG, WEBP
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Upload original promotional image (recommended ratio 16:9 or square). Tool will create Small Tile, Marquee, and Screenshot.
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Click or drag & drop promotional image here
Supported: PNG, JPG, JPEG, WEBP
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Upload up to 5 screenshots. Tool will automatically resize to 1280x800px or 640x400px.
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Click or drag & drop screenshots here
Max 5 images | Supported: PNG, JPG, JPEG, WEBP
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Create professional mockups with custom backgrounds. Upload your screenshot and customize the background. Layout is locked for consistency.

🎨 Background

📱 Screenshot

✍ī¸ Tagline

💾 Export

📋 Preparation Checklist

Complete manifest.json with all required information
Icons in all required sizes (16, 32, 48, 128px)
Small tile image (440x280px)
At least 1 screenshot (1280x800 or 640x400px)
Promotional tile (Marquee) if you want to be featured

🚀 Chrome Extension Upload Process

Step 1: Prepare Files

  • Zip your entire source code into a .zip file
  • Ensure manifest.json is in the root folder
  • .zip file should not exceed 20MB
  • Remove unnecessary files (node_modules, .git, etc.)

Step 2: Access Chrome Developer Dashboard

Step 3: Upload Extension

  • Click "New Item"
  • Upload .zip file
  • Wait for system validation (checks manifest errors, permissions, etc.)

Step 4: Complete Store Listing Information

  • Detailed description: 132-10,000 characters (recommended 500-1000 characters)
  • Short description: 132 characters max (displayed in search)
  • Category: Choose the most appropriate category
  • Language: Primary language of your extension
  • Icons & Images: Upload all prepared assets

Step 5: Privacy & Distribution

  • Visibility: Public / Unlisted / Private
  • Privacy Policy: URL required if collecting user data
  • Regions: Select countries/regions for distribution

Step 6: Submit for Review

  • Review all information
  • Click "Submit for Review"
  • Review time: few hours to several days (typically 1-3 days)
  • You'll receive email notification when approved or rejected

💡 Best Practices

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  • Screenshots should have clear annotations about features
  • Description should include keywords for better SEO
  • Icon must be clear and recognizable at all sizes
  • Promotional images must be professional, without overly small text
  • Privacy policy must be clear about data handling

📐 Specifications Reference

Image Type Size Required Notes
Icon 16x16px No Displayed on toolbar
Icon 32x32px No Windows computers
Icon 48x48px No Extensions management page
Icon 128x128px Yes Store & Installation
Small Tile 440x280px Yes Search results
Marquee 1400x560px No Featured banner (if selected)
Screenshot 1280x800 or 640x400px Yes (min 1) Maximum 5 images

🔍 Common Rejection Reasons

  • Unreasonable permissions: Requesting unnecessary permissions
  • Unclear description: Not explaining functionality sufficiently
  • Missing privacy policy: Collecting data without policy
  • Spam/misleading: Deceptive description or keyword spam
  • Copyright: Using unauthorized logos/brand names
  • Malware/phishing: Malicious code or scam