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A straight-forward answer to this might be out there, but I haven’t found it yet. (All file sizes are approximations, but representative of actual experience.)
When saving JPEG’s, the Quality drop-down menu gives you the choice of Low, Medium, High, Maximum. Choosing Maximum gives a setting of 10. However, you can increase the setting to 12. I’ve noticed that if I open a JPEG that is, say, about 1.3mb and save it at the "default" Maximum setting of 10, it compresses it to, say, about 900k. If I save it at the "maximum" Maximum setting of 12, I actually end up with a larger file than I started out with of about 3mb. Apparently it is uncompressing the original compressed jpeg?
What’s up with this, and practically speaking, should I be saving at 10 or 12?
(Take it as read that I know about tif being non-lossy, and jpeg being lossy, etc. I’m just wondering about this Photoshop jpeg Quality thing.)
Thanks!!
—
Carl Miller
http://www.ezinfocenter.com/8557444
When saving JPEG’s, the Quality drop-down menu gives you the choice of Low, Medium, High, Maximum. Choosing Maximum gives a setting of 10. However, you can increase the setting to 12. I’ve noticed that if I open a JPEG that is, say, about 1.3mb and save it at the "default" Maximum setting of 10, it compresses it to, say, about 900k. If I save it at the "maximum" Maximum setting of 12, I actually end up with a larger file than I started out with of about 3mb. Apparently it is uncompressing the original compressed jpeg?
What’s up with this, and practically speaking, should I be saving at 10 or 12?
(Take it as read that I know about tif being non-lossy, and jpeg being lossy, etc. I’m just wondering about this Photoshop jpeg Quality thing.)
Thanks!!
—
Carl Miller
http://www.ezinfocenter.com/8557444
MacBook Pro 16” Mockups 🔥
– in 4 materials (clay versions included)
– 12 scenes
– 48 MacBook Pro 16″ mockups
– 6000 x 4500 px