When you save a .bmp to .jpg format, there should be a setting somewhere in the software for JPEG quality, which sets the level of compression (i.e. "loss of information") in the resulting JPEG. The higher the compression, the lower the quality, and the worse the JPEG will look visually. However, the more compression, the smaller the JPEG file will be.
You will have to experiment with the JPEG compression setting until you find one that balances your desire for visual quality and file size. If you don't care about file size, set the quality setting to 100% (or set the compression to "NONE"), and the resulting JPEG should be exactly like the original BMP.
What software are you using?
Last edited by jbhtexas; 05-02-2009 at 10:23 AM.
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