kuvatiedostoonpng

Kuvatiedostoonpng is a term that can be used in Finnish contexts to refer to saving or exporting an image to the PNG (Portable Network Graphics) format. The compound reflects the idea of placing image data into a PNG file and is sometimes seen in documentation, tutorials, or software interfaces that use Finnish terminology.

PNG is a lossless raster graphics format developed as an alternative to GIF. It supports transparent areas through an alpha channel, enabling smooth compositing on different backgrounds. PNG images can use 8-bit or 16-bit color depth and come in color types such as grayscale, truecolor (RGB), and indexed-color with a palette. The format uses DEFLATE compression, which preserves image quality while reducing file size. PNG files are organized in chunks, with common ones including IHDR (header), PLTE (palette), IDAT (image data), and IEND (end).

Two common variants are PNG-8 and PNG-24. PNG-8 is palette-based, limited to up to 256 colors, and is suitable for simple graphics with flat colors. PNG-24 uses truecolor with higher color depth, making it better for photography and images with smooth gradients and detailed shading. Interlacing is optional in PNG and can affect progressive rendering.

Typical use cases for kuvatiedostoonpng include web graphics, icons, logos, diagrams, and screenshots, especially when transparency or lossless quality is important. For photographs where small file size is critical, JPEG is often preferred, while PNG is favored for images requiring crisp edges and transparency.

Tools and workflows commonly support PNG export, including image editors like GIMP, Photoshop, and Paint.NET, as well as command-line utilities such as ImageMagick for batch conversions and automated pipelines.