You can even use the URL option to create a shareable link that you can send to your friends/colleagues. You can use Draw.io to export the flowcharts in several formats including PNG, JPEG, SVG, PDF, VSDX, HTML, XML.
Draw.io is a cross-platform application which is available as an offline client for Windows, Linux, macOS, ChromeOS, as an add-on for Google Docs, Google Slides, as a stand-alone web-app, or integrates directly with your Dropbox, GitHubm GitLab Google Drive, OneDrive, Office 365 account.
