Which of the following apps is a professional and comprehensive retouching software?

Snapseed is a comprehensive and professional photo editing tool developed by Google.

== Main functions == 29 kinds of tools and filters, including restoration, brush, structure, HDR and perspective (see the list below). You can open JPG and RAW files to save personal styles, so that you can apply them to new photos in the future. Local filter brushes can fine-tune all styles through precise control. You can get tips and techniques for Snapseed and general photography through the Tutorial card.

== Tools, filters and faces = Save or export the file as JPG to adjust the picture–automatically adjust the exposure and color, or manually adjust the prominent details through precise control–highlight the surface structure of the picture–cut the picture to a standard size or freely cut and rotate it as needed–rotate the picture by 9. Or correct the perspective of the tilted picture according to the horizontal line–correct the tilted lines and make the horizontal line or building more geometrically beautiful. White balance–adjust the color to make the picture look more natural. Brush–adjust the exposure, saturation, brightness or color temperature locally–the well-known "control point" technology: set up at most 8 points on the picture, and then specify the beautification effect. The next work can be repaired by the algorithm-removing the uninvited guests' vignetting in the group photo-adding soft shadows in the corners of the picture to create beautiful text similar to that shot with a large aperture-adding artistic or pure text style (38 preset styles) curves-accurately controlling the brightness level expansion in the photo-increasing the canvas size, And fill the lens blur in the new space with the image content in an intelligent way-add the out-of-focus imaging effect (background softening) to the image to make it more beautiful and suitable for the charming halo of portrait photography-add the charming halo to the image, which is suitable for the color contrast of fashion photography or portrait photography-locally strengthen the HDR landscape of shadows, midtones and highlights-create multiple exposure effects. Make your pictures more dramatic-add a doomsday atmosphere to your pictures-through strong style effects and texture superposition, Let that picture show avant-garde effect. coarse-grained film-create a modern film effect with realistic particles. retro-let the picture show the effect taken with the color film popular in the 195s, 196s or 197s. Retrolux-make the picture full of nostalgia with the functions of light leakage, scratches and film style. Black and white film-use realistic particle effect and "white washing" special effects. Let the picture present the style of black-and-white film. Black-and-white-inspired by darkroom, make a classic black-and-white photo frame. Add a frame with adjustable size to the picture. Double exposure. Inspired by filming and digital picture processing, provide a variety of mixing modes, so that you can easily mix the beauty of two pictures. Brighten your eyes, brighten your face or make your face tender. Adjust the posture of the portrait according to the three-dimensional model.