In addition, TIFF files are sometimes huge, causing long upload and download times. Use the Preview application on your Mac to convert a TIFF file to a PNG image for compatibility with Web browsers.

Picking digital picture formats: JPEG vs. PNG vs. GIF vs. TIFF Moving or copying digital photos doesn’t hurt their quality but re-saving and editing them will ...

This step by step guide with images covers how to save PNG and TIFF images as JPG on Mac. We'll look at some free options as well as third-party software.