Convert Image to Grayscale or Black & White (image_gray) Image Reader (image_reader) Remove Background from an Image (image_rembg) Resize an Image (image_resize) Rotate an Image (image_rotate) Upscale Image to Higher Resolution (image_upscale) Generate ASCII art from an image (img2asc) Calculate Aspect Ratio (aspect_ratio) Depth of Field Calculator (depth_of_field) Equivalent Focal Length Calculator (equivalent_focal_length) Exposure Value Calculator (exposure_value) Calculate Field of View (field_of_view) Hyperfocal Distance Calculator (hyperfocal_distance) Image Print Size Calculator (image_print_size) Image Resolution Calculator (image_resolution) Image Storage Requirement Calculator (image_storage_required) Calculate Shutter Speed (shutter_speed)