# Kraken.io vs Thumbor

**Leader by vioscaleAI score:** Kraken.io

| Attribute | Kraken.io | Thumbor |
|---|---|---|
| **vioscaleAI score** | 67.2 (55% (medium)) | 55.6 (49% (low)) |
| activity.commits_last_30d | - | 32 |
| adoption.dependent_repos | - | 106 |
| adoption.github_stars | - | 10,517 |
| content.faq | `[{"answer":"A cloud-based image processing service that minimizes image file sizes across multiple formats to help websites load faster and reduce bandwidth usage. It provides optimization through a web browser interface, API, and integrations with content management systems. It is indexed under Image Optimization.","source":"https://kraken.io/pricing","question":"What is Kraken.io?","confidence":0.6},{"answer":"Kraken.io offers a free tier, so you can start without paying. Paid plans start at $2. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://kraken.io/pricing","question":"Is Kraken.io free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Kraken.io. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://kraken.io/pricing","question":"What platforms does Kraken.io support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Kraken.io, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://kraken.io/pricing","question":"Can Kraken.io be self-hosted?","confidence":0.6},{"answer":"We have confirmed 7 integrations for Kraken.io, including WordPress, Magento, AWS S3, Microsoft Azure, Rackspace CloudFiles, SoftLayer and Gulp. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://kraken.io/pricing","question":"What does Kraken.io integrate with?","confidence":0.6}]` | `[{"answer":"Thumbor is an open-source image processing service that automatically optimizes images on-demand using smart face detection. It supports dynamic cropping, resizing, format conversion (including WebP), and image filters to improve website performance and reduce file sizes. It is indexed under Image Optimization.","source":"https://www.thumbor.org","question":"What is Thumbor?","confidence":0.6},{"answer":"Thumbor is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://www.thumbor.org","question":"Is Thumbor free to use?","confidence":0.6},{"answer":"Yes. Thumbor is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/thumbor/thumbor","question":"Is Thumbor open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true}` | - |
| description.long | A cloud-based image processing service that minimizes image file sizes across multiple formats to help websites load faster and reduce bandwidth usage. It provides optimization through a web browser interface, API, and integrations with content management systems. | Thumbor is an open-source image processing service that automatically optimizes images on-demand using smart face detection. It supports dynamic cropping, resizing, format conversion (including WebP), and image filters to improve website performance and reduce file sizes. |
| features.capabilities | `{"pricing_model":"flat_monthly_tier","architecture_model":"managed_cloud_api_cdn","on_the_fly_url_parameter_resizing_and_cropping":true,"dashboard_analytics_for_bandwidth_cache_hit_ratio":true,"lossless_and_perceptual_lossy_compression_algorithms":true}` | `{"ai_smart_crop_face_detection_centering":true,"on_the_fly_url_parameter_resizing_and_cropping":true,"lossless_and_perceptual_lossy_compression_algorithms":true}` |
| integrations.count | 7 | - |
| integrations.list | `[{"name":"WordPress","native":true,"category":"cms","direction":"bidirectional"},{"name":"Magento","native":true,"category":"cms","direction":"bidirectional"},{"name":"AWS S3","native":true,"category":"cloud_storage","direction":"outbound"},{"name":"Microsoft Azure","native":true,"category":"cloud_storage","direction":"outbound"},{"name":"Rackspace CloudFiles","native":true,"category":"cloud_storage","direction":"outbound"},{"name":"SoftLayer","native":true,"category":"cloud_storage","direction":"outbound"},{"name":"Gulp","native":true,"category":"build_tools","direction":"bidirectional"}]` | - |
| language.primary | - | Python |
| license.spdx | - | MIT |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"web":true}` | - |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"100 MB/mo testing quota","features":["Full API Access","Web Interface","WordPress Plugin","Magento Extension","Kraken.io Cloud Storage"],"contactSales":false,"includedLimits":{"quota":"100 MB/mo"}},{"free":false,"name":"Micro","summary":"$5/mo ($50/yr, save 2 months)","features":["Full API Access","Web Interface PRO","WordPress Plugin","Magento Extension","Kraken.io Cloud Storage"],"components":[{"kind":"fixed","amount":5,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":5,"currency":"USD"}],"contactSales":false,"includedLimits":{"quota":"500 MB/mo"}},{"free":false,"name":"Basic","summary":"$9/mo ($90/yr, save 2 months)","features":["Full API Access","Web Interface PRO","WordPress Plugin","Magento Extension","Kraken.io Cloud Storage"],"components":[{"kind":"fixed","amount":9,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":4,"currency":"USD"}],"contactSales":false,"includedLimits":{"quota":"2 GB/mo"}},{"free":false,"name":"Advanced","summary":"$19/mo ($190/yr, save 2 months)","features":["Full API Access","Web Interface PRO","WordPress Plugin","Magento Extension","Kraken.io Cloud Storage"],"components":[{"kind":"fixed","amount":19,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":3,"currency":"USD"}],"contactSales":false,"includedLimits":{"quota":"5 GB/mo"}},{"free":false,"name":"Premium","summary":"$39/mo ($390/yr, save 2 months)","features":["Full API Access","Web Interface PRO","WordPress Plugin","Magento Extension","Kraken.io Cloud Storage"],"components":[{"kind":"fixed","amount":39,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":2,"currency":"USD"}],"contactSales":false,"includedLimits":{"quota":"15 GB/mo"}},{"free":false,"name":"Enterprise","summary":"$79/mo ($790/yr, save 2 months)","features":["Full API Access","Web Interface PRO","WordPress Plugin","Magento Extension","Kraken.io Cloud Storage"],"components":[{"kind":"fixed","amount":79,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":1,"currency":"USD"}],"contactSales":true,"includedLimits":{"quota":"60 GB/mo"}}],"summary":"Free (100 MB) to $79/mo (60 GB quota). Yearly billing includes 2-month discount.","currency":"USD","freeTier":true,"sourceUrl":"https://kraken.io/pricing","retrievedAt":"2026-09-01T14:43:57.580Z","startingPrice":{"amount":5,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://www.thumbor.org","retrievedAt":"2026-09-01T16:05:49.052Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.starting_price | `{"amount":5,"currency":"USD"}` | - |
| pricing.transparent | yes | - |
| release.cadence_days | - | 22 |
| release.history | - | `[{"url":"https://github.com/thumbor/thumbor/releases/tag/7.8.0","date":"2026-05-30T23:26:33Z","type":"stable","version":"7.8.0"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.7","date":"2025-05-15T16:32:04Z","type":"stable","version":"7.7.7"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.6","date":"2025-05-09T19:10:00Z","type":"stable","version":"7.7.6"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.5","date":"2025-04-05T01:12:04Z","type":"stable","version":"7.7.5"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.4","date":"2024-03-04T20:46:54Z","type":"stable","version":"7.7.4"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.3","date":"2024-01-09T13:27:32Z","type":"stable","version":"7.7.3"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.2","date":"2023-12-05T17:14:35Z","type":"stable","version":"7.7.2"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.1","date":"2023-11-08T20:51:20Z","type":"stable","version":"7.7.1"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.7.0","date":"2023-10-31T13:14:10Z","type":"stable","version":"7.7.0"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.6.0","date":"2023-10-09T12:42:45Z","type":"stable","version":"7.6.0"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.5.2","date":"2023-07-07T06:29:27Z","type":"stable","version":"7.5.2"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.5.1","date":"2023-06-20T20:43:21Z","type":"stable","version":"7.5.1"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.5.0","date":"2023-05-29T04:22:19Z","type":"stable","version":"7.5.0"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.4.7","date":"2023-01-31T12:52:29Z","type":"stable","version":"7.4.7"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.4.6","date":"2023-01-27T00:44:43Z","type":"stable","version":"7.4.6"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.4.5","date":"2023-01-27T00:43:25Z","type":"stable","version":"7.4.5"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.4.4","date":"2023-01-06T17:02:57Z","type":"stable","version":"7.4.4"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.4.3","date":"2023-01-04T20:30:03Z","type":"stable","version":"7.4.3"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.4.2","date":"2022-12-21T20:55:57Z","type":"stable","version":"7.4.2"},{"url":"https://github.com/thumbor/thumbor/releases/tag/7.4.1","date":"2022-12-22T10:26:03Z","type":"stable","version":"7.4.1"}]` |
| security.scorecard | - | 6.9 |
| security.vulnerabilities | - | `{"count":6,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=thumbor&per_page=100","last_12m":6,"max_severity":"HIGH"}` |

## Capabilities (Image Optimization)

| Capability | Kraken.io | Thumbor |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Architecture model | Managed cloud API CDN | - |
| On the fly URL parameter resizing and cropping | ✓ | ✓ |
| Auto webp avif format negotiation via browser headers | - | - |
| AI smart crop face detection centering | - | ✓ |
| Lossless and perceptual lossy compression algorithms | ✓ | ✓ |
| Global CDN edge delivery network included | - | - |
| Watermarking and text overlay via URL API | - | - |
| Video transcoding and gif to mp4 conversion | - | - |
| Svg sanitization and optimization | - | - |
| Dashboard analytics for bandwidth cache hit ratio | ✓ | - |
| SOC2 type ii | - | - |
| ISO 27001 | - | - |
| Pricing model | Flat monthly tier | - |

*Source: vioscaleAI. Generated 2026-09-11T23:38:55.041Z. "-" = undocumented, not absent.*