cshum/imagor

Fast, secure image processing server and Go library, using libvips

Go

4,038

1,714 commits

updated Oct 12, 2026

See the code

README

imagor

Test Status Codecov Docker Hub Docs

imagor is a fast, secure image processing server and Go library.

imagor uses one of the most efficient image processing libraries, libvips with the Go binding vipsgen. It is typically 4-8x faster than using the quickest ImageMagick settings. imagor implements libvips streaming to facilitate parallel processing pipelines and achieve high network throughput. Benchmarks show imagor is one of the fastest image processing servers.

imagor supports a wide range of image-processing use cases, available as a HTTP server with first-class Docker support. It adopts the thumbor URL syntax representing a high-performance drop-in replacement.

imagor is built with speed, security and extensibility in mind. Alongside there is imagorvideo bringing video thumbnail capability through ffmpeg C bindings.

Quick Start

docker run -p 8000:8000 shumc/imagor -imagor-unsafe -imagor-auto-webp

Deploy on Elestio

Original images:

https://raw.githubusercontent.com/cshum/imagor/master/testdata/gopher.png
https://raw.githubusercontent.com/cshum/imagor/master/testdata/dancing-banana.gif
https://raw.githubusercontent.com/cshum/imagor/master/testdata/gopher-front.png

Try out the following image URLs:

http://localhost:8000/unsafe/fit-in/200x200/filters:fill(white)/https://raw.githubusercontent.com/cshum/imagor/master/testdata/gopher.png
http://localhost:8000/unsafe/200x200/smart/filters:fill(white):format(jpeg):quality(80)/https://raw.githubusercontent.com/cshum/imagor/master/testdata/gopher.png
http://localhost:8000/unsafe/fit-in/-180x180/10x10/filters:hue(290):saturation(100):fill(yellow)/raw.githubusercontent.com/cshum/imagor/master/testdata/gopher.png
http://localhost:8000/unsafe/30x40:100x150/filters:fill(cyan)/raw.githubusercontent.com/cshum/imagor/master/testdata/dancing-banana.gif
http://localhost:8000/unsafe/fit-in/200x150/filters:fill(yellow):watermark(raw.githubusercontent.com/cshum/imagor/master/testdata/gopher-front.png,repeat,bottom,0,40,40)/raw.githubusercontent.com/cshum/imagor/master/testdata/dancing-banana.gif

Documentation

Full documentation is available at docs.imagor.net.

Consulting

If your team is running imagor in production and needs help with architecture, custom imagor components, multi-tenant setups, loaders/storage backends, migration planning, or performance tuning, commercial support and consulting are available. See the Consulting page for details.

For bugs and feature requests, please continue to use GitHub Issues. For consulting inquiries, contact imagor@cshum.com.

avif
crop-image
docker
gif
golang
image
image-processing
image-server
jpeg
jpeg-xl
jxl
libvips
png
resize-images
watermark
webp

cshum/imagor

Fast, secure image processing server and Go library, using libvips

Go

4,038

1,714 commits

updated Oct 12, 2026

See the code

README

imagor

Test Status Codecov Docker Hub Docs

imagor is a fast, secure image processing server and Go library.

imagor uses one of the most efficient image processing libraries, libvips with the Go binding vipsgen. It is typically 4-8x faster than using the quickest ImageMagick settings. imagor implements libvips streaming to facilitate parallel processing pipelines and achieve high network throughput. Benchmarks show imagor is one of the fastest image processing servers.

imagor supports a wide range of image-processing use cases, available as a HTTP server with first-class Docker support. It adopts the thumbor URL syntax representing a high-performance drop-in replacement.

imagor is built with speed, security and extensibility in mind. Alongside there is imagorvideo bringing video thumbnail capability through ffmpeg C bindings.

Quick Start

docker run -p 8000:8000 shumc/imagor -imagor-unsafe -imagor-auto-webp

Deploy on Elestio

Original images:

https://raw.githubusercontent.com/cshum/imagor/master/testdata/gopher.png
https://raw.githubusercontent.com/cshum/imagor/master/testdata/dancing-banana.gif
https://raw.githubusercontent.com/cshum/imagor/master/testdata/gopher-front.png

Try out the following image URLs:

http://localhost:8000/unsafe/fit-in/200x200/filters:fill(white)/https://raw.githubusercontent.com/cshum/imagor/master/testdata/gopher.png
http://localhost:8000/unsafe/200x200/smart/filters:fill(white):format(jpeg):quality(80)/https://raw.githubusercontent.com/cshum/imagor/master/testdata/gopher.png
http://localhost:8000/unsafe/fit-in/-180x180/10x10/filters:hue(290):saturation(100):fill(yellow)/raw.githubusercontent.com/cshum/imagor/master/testdata/gopher.png
http://localhost:8000/unsafe/30x40:100x150/filters:fill(cyan)/raw.githubusercontent.com/cshum/imagor/master/testdata/dancing-banana.gif
http://localhost:8000/unsafe/fit-in/200x150/filters:fill(yellow):watermark(raw.githubusercontent.com/cshum/imagor/master/testdata/gopher-front.png,repeat,bottom,0,40,40)/raw.githubusercontent.com/cshum/imagor/master/testdata/dancing-banana.gif

Documentation

Full documentation is available at docs.imagor.net.

Consulting

If your team is running imagor in production and needs help with architecture, custom imagor components, multi-tenant setups, loaders/storage backends, migration planning, or performance tuning, commercial support and consulting are available. See the Consulting page for details.

For bugs and feature requests, please continue to use GitHub Issues. For consulting inquiries, contact imagor@cshum.com.

avif
crop-image
docker
gif
golang
image
image-processing
image-server
jpeg
jpeg-xl
jxl
libvips
png
resize-images
watermark
webp

Project health

Overall

3.9/10

Maintained

10/10

Code review

0/10
OpenSSF Scorecard

Latest release

v1.9.8 · Oct 10, 2026

Releases this year

38

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