When comparing Uploadcare vs jQuery File Upload, the Slant community recommends Uploadcare for most people. In the question“What are the best JavaScript libraries for file uploading?” Uploadcare is ranked 6th while jQuery File Upload is ranked 9th. The most important reason people chose Uploadcare is:
Uploadcare doesn't require you to define cached transformations, and handles them quickly for you so you don't have to fiddle with configurations.
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Pros
Pro Handles fast CDN transformations for you
Uploadcare doesn't require you to define cached transformations, and handles them quickly for you so you don't have to fiddle with configurations.
Pro Open source API
Their APIs are open source on github so you can see the source and provide pull requests.
Pro Clean and thoughtful client side API.
Uploadcare provides a client side widget and API, with well worded documentation that clearly explains how each part of the widget is implemented. The client side API also implements the jQuery promises interface for cleanly defining callbacks and updating with progress.
With the client side API decoupled from the upload interface, you can much more easily create customized UI's that match the look and feel of your site.
Pro Chunked uploads supported
jQuery file upload splits large files into smaller chunks in order to increase upload speed and be able to resume quickly if one of the chunks fails to upload. This is because it only needs to re-upload the smaller chunk that failed.
Pro Works with any server-side platform
Is compatible with all server-side technologies (Rails, PHP, ASP.NET etc...).
Cons
Con Doesn't handle SVGs well
Con Requires dependencies
jQuery File Upload requires the jQuery UI library and the jQuery iFrame Transport dependencies