Put a still into a film frame. Bars keep the whole photo and fill the gap with black, or any color you pick. Crop trims the edges so the picture itself becomes 2.39:1, 2.00:1, 1.85:1, 16:9, or 4:3. Move Position to slide the frame. Processing stays in your browser.
Want a walkthrough of these film ratios? How to frame a photo in a cinematic aspect ratio