Like Photoshop EffectsBy Appworld ( Free )
- 31 effects (sepia, grayscale, black&white, tint, colorize, pixelize, mosaic, posterize, solarize, brightness/contrast, exposure, negative, thermal, heatmap, saturate, sharpen, blur, spread, noise, dilate, erode, smear cross, smear lines, smear circles, smear squares, edge detect, emboss, ...