The dangers behind image resizing

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  • waifu2x

    Image Super-Resolution for Anime-Style Art

  • Waifu2x - I've used the library to upscale both old photos and videos with enough success to be pleased with the results.

  • muvsfunc

    Muonium's VapourSynth functions

  • For those going down this rabbit hole, perceptual downscaling is state of the art, and the closest thing we have to a Python implementation is here (with a citation of the original paper):

    Other supposedly better CUDA/ML filters give me strange results.

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  • pillow-resize

    Porting of Pillow resize method in C++ and OpenCV.

  • You can find the library here: pillow-resize.


  • imgproxy

    Fast and secure standalone server for resizing and converting remote images

  • Image resizing is one of those things that most companies seem to build in-house over and over. There are several hosted services, but obviously sending your users photos to a 3rd party is pretty weak. For those of us looking for a middle-ground: I've had great success with imgproxy ( which wraps libvips and well maintained.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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