Mercalli is a Windows program that lets you fix unsteady or tilted videos and improve the picture brightness and contrast. There is a library of visual effects included.

Improving video

This software allows users to adjust the tilt, pan and zoom parameters of any video file. There is support for all popular media formats including MOV, MPG, AVI, MP4, WMV and many other containers.

After importing the clip you can click the Stabilization button to automatically analyze the contents. The process may take several minutes. The results are displayed on the timeline at the bottom of the main window. You are able to view the shift, roll and zoom graphs that indicate any major deviations from the average values. This feature is helpful for manually detecting problematic sections of the video.

There are several smoothing methods available in the app. Turbo option offers users good results with high processing speed. Alternatively, it is possible to utilize AI stabilization.

You are able to automatically fix the fisheye lens effect. Presets for a wide variety of action camera models are provided. Brightness and contrast parameters are adjustable as well. To further improve the image quality you can download Adobe Premiere.

Visual effects

Mercalli offers users a collection of filters for modifying the video. There are various options for converting the picture to black and white format. Additionally, it is possible to tune the exposure and color temperature.

You can add vignettes to the clip. Moreover, tools for changing the lighting conditions are included in the utility.

Features

free to download and use;
allows you to stabilize the picture in videos;
includes visual effects and filters;
there is support for all major video formats;
compatible with modern versions of Windows.