Is the uploader limited to single file or the multiple file?
Is the uploader drag and drop type?
Does the uploader requires browsing to file using browse button?
Does the uploader depends on any third party plugin?
Is the uploader custom built or makes use of existing framework?
Does the uploader supports drag and drop from tablet app?
Does the uploader gets affected by third party plugins or API if it is dependent on their services?
Does the uploader has any third party API security issues?
Does the uploader includes progress bar to show estimated time left for file upload?
Does the file uploader displays file size uploaded?
Does the file uploader has any file size requirements?
What are the minimum file size requirements of file uploader?
Does the file size has any limits?
Can you upload the file size outside the limitations of the uploader?
What are the maximum file size accepted in the uploader?
Does the uploader accepts image files in the format – jpg, gif, png?
Does the uploader accepts document formats – pdf, doc, txt, xlsx?
Does the uploader has any other specific application format requirement?
Does the uploader has any specific file format blacklisted for security reasons?
What are the some of the file formats white listed by the uploader?
Does the system allows cancelling the upload?
Does the system allow cancelling multiple uploads?
Does the uploader open browse for file dialog box when clicked on button?
Does the uploader shows “success” message after upload?
Does the uploader shows error message if failed?
How does the uploader behaves if the no file is uploaded?
How does the uploader respond if some files in multi upload fail?
What message does it display if the files failed to write on server space?
What message is displayed if the chosen file only gets partially uploaded?
What message is shown if the file exceeds maximum file size?