Problem
PHP Add watermark problem, cannot remove watermark background
Workaround
How to use GIF to add watermark effect and JPG to add watermark effect, no back white background
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Reference answer
JPG does not support transparency effects. Thank you.
Reference answer
This will achieve the same effect as JPG pictures! 3q, answer
Reference answer
Don't you have all these three pictures in GIF? Where's the JPG?
Reference answer
Oh ~ ~ the first picture ah. Would you like to convert it to GIF and then turn it into JPG?
Reference answer
PNG on the line
Reference answer
GIF specifies a transparent color, which can be
Reference answer
If the watermark image is JPG format, the effect is normal, such as the effect of the first picture
If the watermarked image is in GIF format, the effect is like the second-third-up image.
GIF make transparent color, is the effect of the third picture!
Note: The watermark image format is PNG, and the background is removed.
Reference answer
Yes, in PNG format.
Reference answer
Yes, the watermark image has a good effect in PNG format.
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