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2. Help : How to reduce colors for saving a JPEG as PNG

   en.wikipedia.org/wiki/Help:How_to_reduce_colors...

   If the new version is too sharp, you can utilize the blur filter or tool to fix this, or use Colors > Levels to mess with the Alpha channel. Once it looks correct, save the image as a PNG. Then, to reduce file size, run it through a program like ImageMagick that supports 8-bit PNGs with alpha transparency, in order to remove any unnecessary ...

3. Photos (Windows) - Wikipedia

   en.wikipedia.org/wiki/Photos_(Windows)

   Photos provides the following basic raster graphics editor functions: [6]. Crop and rotate; Correct exposure or colors; Reduce image noise; Users can edit with a sidebar similar to the one in Google Photos, which allows them to adjust the photo's shadows, highlights, sharpness, and filters. [7]

4. Microsoft Paint - Wikipedia

   en.wikipedia.org/wiki/Microsoft_Paint

   This newly updated version of Paint was released with Windows 11 Insider build 22468 in September 2021, and was officially released as part of the Windows 11 2022 Update in September 2022. In September 2023, Microsoft released an update that added layers , support for transparent PNG files, AI art generator and other AI tools and a background ...

5. JPEG - Wikipedia

   en.wikipedia.org/wiki/JPEG

   The MIME media type for JPEG is "image/jpeg", except in older Internet Explorer versions, which provide a MIME type of "image/pjpeg" when uploading JPEG images. [11] JPEG files usually have a filename extension of "jpg" or "jpeg". JPEG/JFIF supports a maximum image size of 65,535×65,535 pixels, [12] hence up to 4 gigapixels for an aspect ratio ...

6. JPEG XR - Wikipedia

   en.wikipedia.org/wiki/JPEG_XR

   One file container format that can be used to store JPEG XR image data is specified in Annex A of the JPEG XR standard. It is a TIFF-like format using a table of Image File Directory (IFD) tags. A JPEG XR file contains image data, optional alpha channel data, metadata, optional XMP metadata stored as RDF/XML, and optional Exif metadata, in IFD ...

7. Lossy compression - Wikipedia

   en.wikipedia.org/wiki/Lossy_compression

   While data reduction (compression, be it lossy or lossless) is a main goal of transform coding, it also allows other goals: one may represent data more accurately for the original amount of space [5] – for example, in principle, if one starts with an analog or high-resolution digital master, an MP3 file of a given size should provide a better ...