Active8 months ago
I have script:
Convert PDF file to TIFF using imagick from php. Script to convert a pdf to tiff, this script use imagick library from php, when i execute the next pice of code. I'm trying to convert PDF to IMG (JPG) with help PHP. I'm using imagick extension. PDF to JPG conversion using PHP. I'm trying to convert PDF to IMG (JPG. Color changes when converting PDF to JPG using PHP Post any defects you find in the released or beta versions of the ImageMagick software here. Include the ImageMagick version, OS, and any command-line required to reproduce the problem. How to Convert a PDF to JPEG using PHP Hey, Today I would like to show you how we can convert PDF to JPEG using imagick extension. Imagick is a native php extension to create and modify images using the ImageMagick API, which is mostly built-in in PHP installation so no need to include any thing.
Is possible convert all images (png, gif etc) to jpg with 100% quality? If yes, how? I would like allow to upload png and gif, but this script should convert this files to jpg. Is possible this with PHP?
Diego Agulló7,21933 gold badges2222 silver badges3737 bronze badges
Steven SacradoorSteven Sacradoor
6 Answers
Try this code:
Davide BerraDavide BerraoriginalImage
is the path of... the original image... outputImage
is self explaining enough. Quality
is a number from 0 to 100 setting the output jpg quality (0 - worst, 100 - best)5,33611 gold badge1818 silver badges4040 bronze badges
Try using
http://php.net/manual/en/imagick.setimageformat.php
RaabImagick
setImageFormat
, for me it provides the best image quality http://php.net/manual/en/imagick.setimageformat.php
28.1k33 gold badges4545 silver badges6262 bronze badges
chill0rchill0r88422 gold badges99 silver badges2222 bronze badges
A small code to convert
Al Foиce ѫimage.png
to image.jpg
at desired image quality:3,30466 gold badges2828 silver badges4242 bronze badges
Ahmad Vaqas KhanAhmad Vaqas Khan
Davide Berra's answer is great, so I improved the file type detection a little, using exif_imagetype() instead of relying on the file extension:
You must have php_exif extension enabled to use this.
Lucas BustamanteLucas Bustamante5,54322 gold badges4545 silver badges6060 bronze badges
a small fix to davide's answer, the correct function for converting from BMP is 'imagecreatefromwbmp' instead of imagecreatefrombmp (missing 'w')also you should consider that png may be transparent, here is a way to fill it with white BG (jpeg can't apply alpha data).
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