Our online editor supports Chrome, Safari and Firefox 64-bit, but for the best experience we recommend using the latest version of Chrome.
If an adblocker is running in your browser, it can also cause some issues while editing and saving your presentation.
each for both http and https, in your browser and any firewall software, browser privacy add-on, etc. that you may be running on your computer.
*Note: If you experience this issue from a protected network, you may need to ask the responsible IT person to make these adjustments for you. This is common if you are trying to access Prezi.com from an educational institution or a company network.
I hope it helps!