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Who we are.WeTransfer is a free platform in transferring large digital files up to 2GB per transfer. We can transfer any type of file - such as presentations, photos, videos, music, documents and more. 

"Reduce your pdf size online - for free Is your pdf file too large to send by email? Would you like to reduce the size of your pdf ? smallpdf.com compresses your pdf in the cloud for free to a perfect size that is still good quality. "

"While you can choose from numerous online PDF to Word converters, sometimes you'll actually want your own readily available software. Firstly, offline conversion tools are by and large much faster than their online counterparts, and secondly, your online conversion will remain online. Anything other than the odd document shouldn't be converted using an online tool, e.g. anything sensitive, business documents, and information you'd like to keep private."

You can upload files up to 2 GB in size so this would prove very handy in sharing teaching resources such as videos that are simply too large to email. Absolutely no sign up or login required.  It just works.

"has a large collection of images, audio, textures, and other visual mediums that you can use for free with some restrictions. You do not even have to credit the images. The site also features some amazing digital images if you are looking for something different."

"is a large online free photo collection. You can download and use any image or texture from our site and use it in your own work."

Zoom.it is a great photo tool. It allows its users to view and share high resolution imagery. It creates a display of your images in such a way that you can zoom in, zoom out and scroll around any image to see all its beautiful details and explore the whole image no matter how large it is. Zoom.it uses the Deep Zoom technology to give its users a new way to experience their imagery.

Martin Burrett 08 Aug 11 11:42:18This downloadable tool allows you to print large images on multiple sheets of paper to create posters. Great for classroom displays.

"​Data visualizations for a changing world ​The Google Public Data Explorer makes large datasets easy to explore, visualize and communicate. As the charts and maps animate over time, the changes in the world become easier to understand. You don't have to be a data expert to navigate between different views, make your own comparisons, and share your findings. "

"The easiest and most entertaining way to collect feedback from your audience: Project polls or message boards on a large screen, have everyone send their input via their cell phones and see results instantly! "

Large PDF files can be difficult to archive or email. Using Preview, you can compress a PDF file so it's easier to share or store. This process compresses the images in the file. The compressed images look the same as the originals when viewed onscreen, but may appear to be of lower quality when printed.