Igor Pro® provides facilities for interacting with the Internet. Manually or from an Igor procedure you can:

• Download files and folders from an FTP site
• Upload files and folders to an FTP site
• Create directories on an FTP site
• Delete files and folders from an FTP site
• Get the contents of a web page from a web server
• Bring up a web page in the default web browser
• Generate an HTML file from an Igor notebook window
• Percent-encode and percent-decode strings, such as URLs
• Communicate with a secure web server using SSL/TLS
• Interact with a web server using the HTTP/HTTPS get, post, put, head, and delete methods

FTP I/O is accomplished using the FTPDownload, FTPUpload, FTPDelete, and FTPCreateDirectory operations.

Fetching the contents of a web page is done using the FetchURL function or the URLRequest operation. Sending data to a web server is done using the URLRequest operation.

Calling up a web page in the web browser is done using the BrowseURL operation.

Generating HTML from a notebook is done manually through the File->Save Notebook dialog or through the SaveNotebook operation.

Percent-encoding is done using the URLEncode function and percent-decoding is done using the URLDecode function.