Convert .tif image to jpeg image - php

I have a image format which is in .tif i want to convert the image into .jpeg.
I tried to remove extension .tif and add .jpg.But The Image is Crashed.Is there Any way to do this?
I am Using Codeigniter FrameWork .

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here is the pdf image
I want to add this kind of background image to my PDF using MPDF. But also i want to reduce the background image opacity.

Try this-
$mpdf->SetWatermarkImage(
'assets/dist/img/ExampleLogo1.png',
0.3, // this for transparency
array(x,y), // Alignment
);

Extract data(both text and images) from Image file

I have a PDF file(Content as image in PDF), i need to extract text and images from the PDF file. I have tried PDF converter libraries in Laravel, but none is worked. So i have converted that PDF into image with Imagick, after that using TesseractOCR extracting the text from the Image(jpg format), now i need to extract images aslo. Is there any possibility extract both text and image from Image.
My PDF is like below
I have tried TesseractOCR library in laravel, now i'm able to extract the text successfully.
$file = public_path().'/images/S29A57P1-4.jpg';
echo (new TesseractOCR($file))
->lang('eng')
->run();
I want to extract both text and images from PDF or Image.

ImageMagick PHP writeimage() does not create new image file

I am writing a code to distort an existing image, then save the new image in a separate file. Images are .jpg
The image is distorted and
echo $image;
displays the distorted image to the browser, but
$image->writeImage("newimage.jpg");
does not save the new image in a seperate file. No error messages.
Why?

Use an normal image as iconbackground from an svg file

is it possible with php (or js/css) to change the background from an SVG (by using an normal image) and convert it to an png?
Example

Using 'convert interlace -line' on animated .gif breaks image

Before I explain, you may want to take a quick look at my thumbnail generation code: http://pastebin.com/XAPPcUyZ
I pass several image types through this script: jpeg,jpg,gif,png
All types create a 220px wide thumbnail like they should, the problem arrises when the script runs into an animated .gif image - when attempting to make a thumbnail for the gif it outputs something like this: http://i.imgur.com/oh50z.gif where the image appears tiled when a proper thumbnail should look more like this: http://whatimg.com/i/mhsnf4_thumb.gif.
If I remove 'interlace -line' the animated gif's generate thumbnails without any issue, however I would like to leave this in so that the other file formats are interlaced for faster loading. Is there a way to run interlace without breaking animated gifs like this? If there isn't how can I go about detecting if a gif is animated and running a non-interlaced convert on it instead?

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