Free Online Editor Offers Extensive Film Emulations
This browser-based editor is an easy option
The site includes a lengthy dropdown menu of various film stocks you can emulate, and there are also sliders that allow you to adjust brightness, contrast, vibrance, grain, and vignetting.
We tested three of the many options, and here are the results:
Once you have edited an image and are content with it, you can click Download at the top of the screen to save a copy of the edited version to your desktop.
Wagner has explained his process in detail in a blog post here.