Pixel Harbor vs Kraken.io
Kraken.io is an API-first platform for developers. Pixel Harbor is a visual tool for scanning and optimizing websites.
Pixel Harbor is best for one-time website optimization without writing code or setting up API integrations.
Quick Summary
• You need API integration for your build process
• You want to automate optimization in CI/CD
• You're comfortable writing integration code
• You need a CDN for serving images
• You want to scan a website without coding
• You need a visual interface for comparing quality
• You want folder structure preserved in downloads
• You need a one-time optimization, not ongoing automation
Feature Comparison
| Feature | Kraken.io | Pixel Harbor |
|---|---|---|
| WebP conversion | ||
| AVIF conversion | ||
| Lossy/lossless options | ||
| Web interface | ||
| Full website crawling | ||
| Folder upload | ||
| Preserve folder structure | ||
| Quality comparison preview | ||
| REST API | Coming | |
| CDN for serving images | ||
| WordPress/Magento plugin |
Key Differences
API vs Visual Tool
Kraken.io is built around their API—great for automation but requires development work. Pixel Harbor is a visual tool where you enter a URL and see results immediately.
Website Discovery
Kraken.io requires you to upload images or provide direct URLs. Pixel Harbor crawls your entire website and discovers all images automatically.
Quality Preview
Kraken.io optimizes with preset modes (intelligent lossy/lossless). Pixel Harbor lets you compare 85% vs 75% vs 65% quality side-by-side before committing.
Drop-in Replacement
Kraken.io returns optimized files individually. Pixel Harbor preserves your site's folder structure—download a ZIP and drop files back into your project.
Who Should Use What?
Kraken.io is best for: Developers who want to integrate image optimization into their build pipeline or serve images through a CDN.
Pixel Harbor is best for: E-commerce stores, agencies, SEO professionals, and developers who need a visual tool to scan, audit, and optimize images without writing code.
Pricing Comparison
• Free: 100MB quota (testing only)
• Micro: $5/mo for 500MB
• Basic: $9/mo for 2GB
• Pro plans: $19-79/mo
• Enterprise CDN: Custom pricing
• Starter: €99/month for 5,000 images
• Growth: €129/month for 15,000 images
• Pro: €299/month for 60,000 images
• Includes website scanning + folder structure
Frequently Asked Questions
Optimize Without Writing Code
Scan your website and optimize images with a visual interface.