free Video decompiler is Powerful Easy Video File Decompiler, Free Video Decompiler - Extract Video Frames to Image Files, Conversion of different video formats Video Decompiling (Supports decompiling to the following image formats (BMP,GIF,PNG,JPEG,TIFF,EMF, WMF,PCX,TGA,J2K,RAS) and much more) Easy to use (just one click of a mouse), To extract a frame into a file :-
1-determine the input file.
2- Move to that frame (either by dragging the slider or playing or pressing 'Next Frame' button).
3- Select the type of the output image from the 'Output Format' list.
4- Press ?save frame to file' button.

To extract all frames of the input file:-
1-Determine the input and the output file and determine the output format.
2-press ?extract all frames? button.

To extract frames per time:-
1-Determine the input and the output file and determine the output format.
2-choose the time interval from the combo box.
3-press ?play and save per time? button.