Image ConvertersLesson 232Free preview

BMP to PNG

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Summary

BMP to PNG conversion resets the bitmap to a lossless format that is much more space-saving and widely supported. The pixel value remains the same, but the file size usually drops drastically because PNG uses compression. If the source BMP has an alpha, PNG can maintain it; ordinary 24-bit BMP does not.

Key points

PNG lossless so the pixel quality remains up
PNG file sizes are usually much smaller than BMP
Alpha can only be maintained if the BMP source has it.
PNG is suitable for archiving, web, and editing
Batch conversion makes it easy to migrate many old files

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