Fzz Viewer
A: No. Fritzing uses a proprietary format. You would need to manually re-draw the schematic in those tools.
Any unique components not found in the standard library. The Best FZZ Viewer: Fritzing fzz viewer
Information including project name, author, and versioning. fzz viewer
The .fzz file is a . If you rename the extension to .zip , you can manually inspect its contents: fzz viewer
Ask the project creator to send you a PNG, JPG, or PDF export of the circuit. This is the only way to view the design on a phone or tablet.