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Optimize and compress your images without sacrificing quality for faster websites and apps.

From $5/mo, billed monthly (free plan available) Visit Website
Reviews on G2
22 reviews tracked

The Bottom Line

Price
From $5/mo, billed monthly (free plan available). Compare plans

Key facts

  • 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.

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

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

Ratings Across the Web

4.1 (22 reviews)

Kraken holds an aggregate rating of 4.1 out of 5 from 22 reviews across G2, last checked September 15, 2026.

Ratings aggregated from independent review platforms. Learn more

Preview

Key Features

  • Supports JPG, PNG, WebP, GIF, SVG, AVIF, HEIC, and PDF optimization
  • Full API Access for programmatic image optimization
  • Web Interface PRO with URL Paster and Page Cruncher
  • Image Resizing with multiple strategies
  • ZIP Uploader for bulk image processing
  • WordPress and Magento Plugins
  • Kraken.io Cloud Storage for optimized images
  • Event Callbacks via Webhooks

Pricing Plans

Pricing checked Nov 2, 2026. Source: kraken.io/pricing, read Nov 2, 2026

Kraken plans and prices, checked November 2026
Plan Price Details
Free

Free

  • 100 MB of testing quota
Micro

$5 / mo.

  • 500 MB of images per month
  • $5 per additional GB
  • Full API Access
+4 more
  • 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
+4 more
  • 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
+4 more
  • 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
+4 more
  • 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
+4 more
  • 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

Is Kraken worth the price?

Good value

Kraken's pricing is generally fair, especially for lower usage.

The 'Advanced' tier at $19/month for 5GB with $3/GB overage is competitive, offering good value for growing businesses. It's best for developers and small to medium-sized businesses needing reliable image optimization with API access.

Hidden Costs & Gotchas

Overage fees can add up quickly

Full Kraken pricing: every plan, hidden costs and alternatives

Email me when Kraken changes its price

One email per change, found on the vendor's own pricing page. Unsubscribe any time.

Kraken by the numbers

Toolradar data: Kraken's entry paid plan ($5/mo, billed monthly) ranks #11 of 63 (joint) for price among the Image Editing tools with a verified entry price and no stated unit, where the median is $11.99/mo. As of Nov 2026.

Kraken compared with 176 Image Editing tools on Toolradar, as of Nov 2026
Metric Kraken Peer median Position (1 is best)
Entry paid plan $5/mo, billed monthly $11.99/mo #11 of 63 (joint) tools with no stated price unit, verified price
Free plan Yes 63% have one n/a
Listed as an alternative to 1 tool 2 #98 of 176 (joint)
User rating 4.1/5 (across the web, 22 ratings) 4.5/5 #53 of 64 (joint) tools with 20+ reviews

Listed as an alternative to: #94 on 2026-10-16 to #98 on 2026-11-05 (rank among 176 tools, 1 is best).

Each position is counted among the tools that have data for that row, as noted under it. A lower entry price ranks higher; prices are read on vendor pages and compared only with tools priced on the same basis. All Image Editing data · How we compute this. Advertising and placement fees are not inputs to any position.

Cite this: Toolradar, “Kraken by the numbers”, Nov 2026.

Reviews

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4.1/5

Across 22 verified user reviews on G2

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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.

How does Kraken pricing compare with other Image Editing tools?

Kraken's entry paid plan ($5/mo, billed monthly) ranks #11 of 63 (joint) for price among the Image Editing tools with a verified entry price and no stated unit, where the median is $11.99/mo. Prices are read on each vendor's own pricing page and compared only with tools priced on the same basis. Source: Toolradar, Nov 2026.

Source: kraken.io

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