# Thumbor

- **Canonical URI:** https://www.vioscale.ai/software/thumbor
- **Category:** Image Optimization
- **Homepage:** https://www.thumbor.org
- **Also known as:** thumbor
- **Profile claimed by vendor:** no
- **Last updated:** 2026-09-08T22:07:33.929Z

## vioscaleAI score

**55.6 / 100**, confidence 49% (low). Computed 2026-09-08.

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| capabilities | 57.8 | 0.07 | 4.1 | ✓ |
| repo_stars | 75.9 | 0.026 | 2 | ✓ |
| integrations | 0 | 0.079 | 0 | - |
| dependent_projects | 33.8 | 0.063 | 2.1 | ✓ |
| dev_activity | 47.8 | 0.094 | 4.5 | ✓ |
| release_cadence | 87.8 | 0.052 | 4.6 | ✓ |
| security_posture | 0 | 0.063 | 0 | - |
| package_downloads | 0 | 0.136 | 0 | - |
| security_score | 69 | 0.042 | 2.9 | ✓ |
| community_qa_activity | 0 | 0.063 | 0 | - |

## Pricing

_As of 2026-09-01, [verify at source](https://www.thumbor.org). Independently observed._

Open source · Free tier

## About

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.

_Independently observed._

## Capabilities

_The capabilities that matter for Image Optimization. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Capabilities** | |
| Architecture model | - |
| 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 | - |

## Release history

| Version | Date | Type |
|---|---|---|
| [7.8.0](https://github.com/thumbor/thumbor/releases/tag/7.8.0) | 2026-05-30 | stable |
| [7.7.7](https://github.com/thumbor/thumbor/releases/tag/7.7.7) | 2025-05-15 | stable |
| [7.7.6](https://github.com/thumbor/thumbor/releases/tag/7.7.6) | 2025-05-09 | stable |
| [7.7.5](https://github.com/thumbor/thumbor/releases/tag/7.7.5) | 2025-04-05 | stable |
| [7.7.4](https://github.com/thumbor/thumbor/releases/tag/7.7.4) | 2024-03-04 | stable |
| [7.7.3](https://github.com/thumbor/thumbor/releases/tag/7.7.3) | 2024-01-09 | stable |
| [7.7.2](https://github.com/thumbor/thumbor/releases/tag/7.7.2) | 2023-12-05 | stable |
| [7.7.1](https://github.com/thumbor/thumbor/releases/tag/7.7.1) | 2023-11-08 | stable |
| [7.7.0](https://github.com/thumbor/thumbor/releases/tag/7.7.0) | 2023-10-31 | stable |
| [7.6.0](https://github.com/thumbor/thumbor/releases/tag/7.6.0) | 2023-10-09 | stable |
| [7.5.2](https://github.com/thumbor/thumbor/releases/tag/7.5.2) | 2023-07-07 | stable |
| [7.5.1](https://github.com/thumbor/thumbor/releases/tag/7.5.1) | 2023-06-20 | stable |
| [7.5.0](https://github.com/thumbor/thumbor/releases/tag/7.5.0) | 2023-05-29 | stable |
| [7.4.7](https://github.com/thumbor/thumbor/releases/tag/7.4.7) | 2023-01-31 | stable |
| [7.4.6](https://github.com/thumbor/thumbor/releases/tag/7.4.6) | 2023-01-27 | stable |

_… and 5 earlier release(s)._

## Security & compliance


Known vulnerabilities: 6 (6 in the last 12 months), max severity HIGH ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=thumbor&per_page=100)). A count reflects scale and disclosure, not quality.

## FAQ

### What is Thumbor?

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](https://www.thumbor.org)._

### Is Thumbor free to use?

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](https://www.thumbor.org)._

### Is Thumbor open source?

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](https://github.com/thumbor/thumbor)._


## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://www.thumbor.org) | 2026-09-01 | 60% (medium) |
| pricing.model | open_source | [link](https://www.thumbor.org) | 2026-09-01 | 60% (medium) |
| pricing.price_level | free | [link](https://www.thumbor.org) | 2026-09-01 | 60% (medium) |

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 32 | [link](https://github.com/thumbor/thumbor/pulse) | 2026-09-08 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.dependent_repos | 106 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Fthumbor%2Fthumbor) | 2026-09-08 | 85% (high) |
| adoption.github_stars | 10,517 | [link](https://github.com/thumbor/thumbor) | 2026-09-08 | 90% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | Python | [link](https://github.com/thumbor/thumbor) | 2026-09-08 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | MIT | [link](https://github.com/thumbor/thumbor) | 2026-09-08 | 95% (high) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 22 | [link](https://github.com/thumbor/thumbor/releases) | 2026-09-08 | 70% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.scorecard | 6.9 | [link](https://api.securityscorecards.dev/projects/github.com/thumbor/thumbor) | 2026-09-08 | 90% (high) |
| 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"}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=thumbor&per_page=100) | 2026-09-08 | 90% (high) |

### content

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| content.faq | `[{"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}]` | [link](https://www.thumbor.org) | 2026-09-10 | 72% (medium) |

---
*Source: vioscaleAI (https://www.vioscale.ai/software/thumbor). Independent, evidence-based software intelligence. Cite the canonical URI.*