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PolyU Library

Online Tools for Assignment

Introduce useful online tools that may help to prepare your assignment.

Image Sources

We use images in our assignment, be it presentations, reports or even posters. While you can find and download images from plenty of platforms these days, it is important to make sure that you do not infringe copyright when using the downloaded images.

We are going to introduce these online image sources that you can find images where you have permission to reuse for your assignments.

Openverse
​A tool that allows openly licensed and public domain works to be discovered and used by everyone.

Google Images
​An image search service from Google.

Flickr
​An online photo management and sharing platform.


Wikimedia Commons
​An online repository with more than 57 million freely usable images, sounds, and other media files.

Artstor Digital Library
A database provides more than one million images from a wide variety of subject areas.

Creative Commons License

Except where otherwise noted, the content of this guide is licensed under a CC BY-NC 4.0 License. Notify us if there are copyright concerns.