Thumbor
Open-source smart on-demand image cropping and resizing server.
Open the official app on thumbor.readthedocs.io
This tool is hosted by its maintainers. Click below to open thumbor.readthedocs.io in a new tab — it's their official demo.
Browse image & tools tools →What's next with Thumbor?
Choose how you want to get started.
Use it free
Open the official tool or demo — no account needed.
Self-host it
Run the open-source version on your own infrastructure.
What is Thumbor?
Thumbor is a free image processing server used by professionals and enthusiasts.
How it works
How Thumbor works — see the article below for details on this image video tool.
How to use it
- 1Open the Thumbor tool, enter your input, and get your result instantly.
What it can do
- image processing server
Use cases
Assumptions and limitations
Assumptions
- source: https://github.com/thumbor/thumbor
- license: MIT — free to use
- privacy: Self-hosted — you control your data
Limitations
- Self-hosted — requires setup, maintenance, and your own infrastructure.
- Relies on an external source (github.com); availability depends on that service.
- Focused on the image tools category: Open-source smart on-demand image cropping and resizing server..
Understanding the result
Open-source smart on-demand image cropping and resizing server.
Tool details
- Clearly flagged when a network request is needed.
- No account, no sign-up, and no tracking of your content.
- Powered by (MIT).
- Built with
- (thumbor/thumbor)
- License
- MIT
- Runs locally
- No — requires a network request
- Verification
- Not yet verified
- Input
- Query
- Output
- Text
Built with thumbor/thumbor. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.
- Built with
- License
- MIT
Open-source project
OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.
References
- / — GitHub Repository
Upstream project · GitHub
- MIT License
Upstream project