You may wonder, what happens when you try to get the thumbnail specifying dimensions that are higher than the original file? Let’s try this with a much smaller original image. Also notice that in no case was the aspect ratio of the image modified. You can see how the size of the file has been significantly reduced and now it should be possible to use this file with most services. You notice that in the result for both orientations, fitone_bestfit produced the highest quality image and strict the lowest one. Results for the landscape image with 4032×3024 px, file size 5.7MB and 4:3 aspect ratio: Parameters Results for the portrait image with 3024×4032 px, file size 5.3MB and 3:4 aspect ratio: Parameters fitone_bestfit - Scale down the image to completely cover the given size or its transpose.bestfit - Scale down the image to fit within the given size or its transpose.strict - Scale down the image to fit within the given size.It can have any of the following three values: Mode: defines how images are scaled down. You can find all the options in the API documentation for get_thumbnail.
There is a predefined range of options that go between 32 by 32 px to 2048 by 1536 px. Size: defines the final resolution of the image. Looking at the API documentation for get_thumbnail, there are three important parameters that you need to pass in your request: format, size, and mode.įormat: refers to the format you want the output to be, which can be jpeg or png. When you use these APIs, the files in Dropbox are not modified, but you get in the response the bits for images according to the parameters in the request. These APIs offer several options to get a scaled down version of any image that is smaller than 20MB and that has any of these formats: jpg, jpeg, png, tiff, tif, gif and bmp. The Dropbox API offers a great way to retrieve scaled down images with the get_thumbnail and get_thumbnail_batch APIs.
The Dropbox API offers a solution for this with our get_thumbnail API. Additionally, scaling images down to a smaller size and resolution will significantly reduce upload and processing time for those API tools. If you’re transferring your images to a third party API for processing (like an image recognition AI), you can easily hit their size limits if you’re uploading large files. Having a large file size is not a problem when previewing images directly in the Dropbox website or the Dropbox mobile apps as these surfaces are optimized for large files, but presents challenges when interacting with other APIs. For instance, on my current smartphone, the average file size of pictures goes between 6-8 MB, when the ones produced by my 3-year-old smartphone average 2-3 MB. As digital cameras evolve, including the ones in our smartphones, photos produced by them constantly increase in resolution and file size.
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