Kraken
UnclaimedOptimize and compress your images without sacrificing quality for faster websites and apps.
Visit WebsiteReviews onG2Capterra
26 reviews trackedThe Bottom Line
Entry price
Free plan available, paid tiers above
Biggest pro
Significant file size reduction without visual quality loss
Biggest con
Monthly quotas might require careful monitoring for high-volume users
TL;DR - Kraken
- Compresses JPG, PNG, WebP, GIF, SVG, AVIF, HEIC, and PDF images without quality loss.
- Offers API, web interface, and plugins for WordPress/Magento for flexible integration.
- Reduces bandwidth/storage costs, improves website speed, and boosts SEO.
Pricing: Free plan available
Best for: Growing teams
4.3/5 across review platforms
What is Kraken?
Kraken.io is an image optimization and compression service designed to reduce the file size of various image formats, including JPG, PNG, WebP, GIF, SVG, AVIF, HEIC, and PDF. It aims to significantly decrease bandwidth usage and storage costs while improving website and application loading speeds and search engine rankings. The service processes images on its powerful servers, freeing up local machine resources.
Kraken.io is ideal for designers, developers, and users of platforms like WordPress and Magento who need to efficiently manage and deliver optimized images. It offers a flexible API for integration into applications, a web interface for manual optimization, and plugins for popular content management systems. The core benefit is achieving substantial file size reductions without noticeable visual degradation, leading to better user experience and operational cost savings.
Available on: Web
Pros & Cons
Pros
- Significant file size reduction without visual quality loss
- Supports a wide range of image and document formats
- Flexible integration options (API, Web UI, CMS plugins)
- Dedicated infrastructure for fast processing
- Reduces bandwidth and storage costs
Cons
- Monthly quotas might require careful monitoring for high-volume users
- Pricing scales with usage, which can become costly for very large volumes without an enterprise plan
Ratings Across the Web
4.3(26 reviews)
Ratings aggregated from independent review platforms. Learn more
Preview
Key Features
Supports JPG, PNG, WebP, GIF, SVG, AVIF, HEIC, and PDF optimizationFull API Access for programmatic image optimizationWeb Interface PRO with URL Paster and Page CruncherImage Resizing with multiple strategiesZIP Uploader for bulk image processingWordPress and Magento PluginsKraken.io Cloud Storage for optimized imagesEvent Callbacks via Webhooks
Pricing Plans
Pricing checked Jun 11, 2026
Free
Free
- 100 MB of testing quota
Micro
$5 / mo.
- 500 MB of images per month
- $5 per additional GB
- Full API Access
- Web Interface PRO
- WordPress Plugin
- Magento Extension
- Kraken.io Cloud Storage
Basic
$9 / mo.
- 2 GB of images per month
- $4 per additional GB
- Full API Access
- Web Interface PRO
- WordPress Plugin
- Magento Extension
- Kraken.io Cloud Storage
Advanced
$19 / mo.
- 5 GB of images per month
- $3 per additional GB
- Full API Access
- Web Interface PRO
- WordPress Plugin
- Magento Extension
- Kraken.io Cloud Storage
Premium
$39 / mo.
- 15 GB of images per month
- $2 per additional GB
- Full API Access
- Web Interface PRO
- WordPress Plugin
- Magento Extension
- Kraken.io Cloud Storage
Enterprise
$79 / mo.
- 60 GB of images per month
- $1 per additional GB
- Full API Access
- Web Interface PRO
- WordPress Plugin
- Magento Extension
- Kraken.io Cloud Storage
Tailored Plan
Contact us
- Cost-effectively scale your image processing to extremely high volumes
- Additional or special requirements
Reviews
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4.3/5
Across 26 verified user reviews on G2, Capterra
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Kraken FAQ
How does Kraken help improve website and application performance?
Kraken optimizes and compresses images, including formats like JPG, PNG, and WebP, to significantly reduce their file sizes. This reduction decreases bandwidth usage and storage costs, which in turn leads to faster website and application loading speeds and improved search engine rankings.
Which image and document formats does Kraken support for optimization?
Kraken supports a wide array of image and document formats for optimization, including JPG, PNG, WebP, GIF, SVG, AVIF, HEIC, and PDF. This broad compatibility allows users to optimize various types of visual content within their projects.
How does Kraken compare to TinyPNG for image optimization?
Kraken offers optimization for a broader range of formats, including WebP, AVIF, HEIC, and PDF, in addition to common image types like JPG and PNG. Both services aim to reduce file sizes without sacrificing visual quality, but Kraken's format support is more extensive.
What kind of user or team benefits most from using Kraken?
Kraken is particularly beneficial for designers, developers, and users of platforms like WordPress and Magento who require efficient management and delivery of optimized images. It helps teams reduce bandwidth and storage costs while enhancing user experience.
How is Kraken priced for users?
Kraken is available on a free tier, allowing users to optimize a certain volume of images without cost. For users with higher demands or requiring more features, paid plans are offered, with pricing scaling based on usage.
Can Kraken be integrated into existing applications and content management systems?
Yes, Kraken offers flexible integration options, including a robust API for direct integration into applications. It also provides plugins for popular content management systems like WordPress and Magento, alongside a web interface for manual optimization.
What are the potential trade-offs when using Kraken for very high image volumes?
For users with very high image volumes, monthly quotas on certain plans might require careful monitoring to avoid exceeding limits. While pricing scales with usage, this can become more costly without an enterprise-level plan designed for extensive optimization needs.
Source: kraken.io