OpenCV vs. FilePreviews.io vs. Kraken.io

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OpenCV

FilePreviews.io

Kraken.io

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Description

What is OpenCV?

OpenCV was designed for computational efficiency and with a strong focus on real-time applications. Written in optimized C/C++, the library can take advantage of multi-core processing. Enabled with OpenCL, it can take advantage of the hardware acceleration of the underlying heterogeneous compute platform.

What is FilePreviews.io?

An API service designed for developers building applications with rich file preview capabilities. We generate an image preview of every page, layer, OCR text, EXIF metadata and much more

What is Kraken.io?

Kraken supports JPEG, PNG and GIF files. You can optimize your images in two ways - by providing an URL of the image you want to optimize or by uploading an image file directly to Kraken API.

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