Thumbor
A smart imaging service and enables on-demand cropping, resizing, applying filters and optimizing images.
- Photo Galleries
- Python
- MIT
- Docker
- Actively maintained
GitHub stats
- GitHub stars
- 10,521
- Forks
- 861
- Open issues
- 1
- Commits, last 12 months
- 177
- Last commit
- Oct 4, 2026
- Latest release
- 7.8.0May 30, 2026
- Created
- Mar 16, 2011
Data from the GitHub API, refreshed daily.
About Thumbor
A smart imaging service and enables on-demand cropping, resizing, applying filters and optimizing images. Thumbor is open source under the MIT license and written mainly in Python, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 10,521 stars and 861 forks on GitHub, with 177 commits over the last year. It ships a Docker image, which makes it a good fit for a small VPS or a home server running Docker Compose.
Topics
- hacktoberfest
Repository preview
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What is Thumbor?
Thumbor is a free, open-source app you can host on your own server, listed in our Photo Galleries category. A smart imaging service and enables on-demand cropping, resizing, applying filters and optimizing images. The source code lives at github.com/thumbor/thumbor, where it has 10,521 stars.
Is Thumbor free and open source?
Yes. Thumbor is open-source software released under the MIT license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run Thumbor with Docker?
Yes. Thumbor provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.
What are the best alternatives to Thumbor?
Popular open-source alternatives to Thumbor include Immich, PhotoPrism and Ente.
Is Thumbor actively maintained?
The most recent commit to Thumbor was on Oct 4, 2026 with 177 commits in the past twelve months. The latest release is 7.8.0, published May 30, 2026. Check the open issues on GitHub to gauge how quickly maintainers respond.