head to head · open source
sharp vs thumbnailator
sharp has 32,842 GitHub stars, 1,452 forks, 123 open issues and last shipped yesterday. thumbnailator has 5,428 stars, 787 forks, 55 open issues and last shipped 9 months ago. sharp leads on adoption by 505% (32,842 vs 5,428 stars). sharp is written in JavaScript under Apache-2.0; thumbnailator is written in Java under MIT. sharp has attracted 4% as many forks as stars, thumbnailator 14%. sharp was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (image-processing), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| sharp | thumbnailator | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 5.4K |
| License | Apache-2.0 | MIT |
| Written in | JavaScript | Java |
| Last push | 2026-11-11 | 2026-02-17 |
| Forks | ⑂ 1.5K | ⑂ 787 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick sharp if
- You weight community size — 33K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick thumbnailator if
- You want the thumbnailator feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Java
- You evaluated both and thumbnailator fits your workflow better
About sharp
sharp The typical use case for this high speed Node API module is to convert large images in common formats to smaller, web friendly JPEG, PNG, WebP, GIF and AVIF images of varying dimensions. It can be used with all JavaScript runtimes that provide support for Node API v9, including Node.js ( = 20.9.0), Deno and Bun. Resizing an image is typically 4x 5x faster than using the quickest ImageMagick and GraphicsMagick settings due to its use of libvips. Colour spaces, embedded ICC profiles and alpha transparency channels are all handled correctly. Lanczos resampling ensures quality is not sacrificed for speed. As…
read the full sharp overview →
About thumbnailator
October 1, 2025: Thumbnailator 0.4.21 has been released! See Changes for details. Thumbnailator is now available through Maven! What is Thumbnailator? Thumbnailator is a thumbnail generation library for Java. Why Thumbnailator? Making high quality thumbnails in Java can be a fairly difficult task. Learning how to use the Image I/O API, Java 2D API, image processing, image scaling techniques, ... but fear not! Thumbnailator will take care of all those things for you! Thumbnailator is a single JAR file with no dependencies to external libraries, making development and deployment simple and easy. It is also…
read the full thumbnailator overview →
More in Miscellaneous
Related comparisons
More Photo & Video Editors projects
Compare either of these against the rest of the Photo & Video Editors field.
Frequently asked questions
Is sharp or thumbnailator more popular?
sharp has 32,842 GitHub stars and thumbnailator has 5,428. sharp has the larger community by that measure.
Are sharp and thumbnailator free?
Both are open source. sharp is licensed under Apache-2.0 and thumbnailator under MIT. Neither carries a licence fee.
What is the difference between sharp and thumbnailator?
sharp is written in JavaScript and thumbnailator in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, sharp or thumbnailator?
Choose sharp if you want the larger community (32,842 stars) or its Apache-2.0 licence terms. Choose thumbnailator if its feature set, stack or MIT licence fits better. Both are self-hostable.