Questions tagged [image-conversion]

Converting an image into another format or color space

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How to convert png to draw.io xml

I would like to convert an existing png to the draw.io xml format bit don't know how to do nor do I know if this is even possible. As an example, the following image .. would be described as this: &...
papanito's user avatar
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Why does Imagemagick convert JPGs to larger image size than PNG?

I have a collection of textures for 3D design. Each folder of my collection contains the texture files (normal-map, colour-map, bump-map etc) and a preview file, like so: Now I want to create icon ...
Akim's user avatar
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Combine images and gif to a single video?

My project is to join all image files (currently only JPGs) in a folder to a single video file. All images are the same size (1080p) and each one should be displayed for 3s in the output video. Here's ...
Max M.'s user avatar
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1 answer
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image from video is black

I have been trying to grab an image from video using Print Screen. When I view it in Irfan View it looks perfectly normal, but when I try to upload it to Stack Exchange the image is black. I even ...
Tyler Durden's user avatar
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Acrobat 8, PDF Optimizer has no effect, convert embedded PNGs to JPG?

I use the PDF Optimizer feature in Acrobat Pro (v8) to reduce the file size of DTP-generated PDFs by downsampling the embedded images to a lower resolution. This normally works fine. However today I'...
batfastad's user avatar
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3 answers
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How can I export a one page word document into an image of a particular resolution?

How can I export a one page word document into an image of a particular resolution? For example, suppose I have a word document, it has some word art on it, it is one page, it has some pictures, some ...
barlop's user avatar
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cwebp arguments in right order

I am writing a command line of cwebp to convert .png image to .webp to achieve best picture with lowest size, but I am confused in right order and right values of arguments. cwebp -preset photo -sns ...
Rizwan.A's user avatar
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912 views

On Widows, how can I screen capture, then paste as JPG (not PNG) into gmail?

How can I capture part of a screen on Windows 10, then paste as a JPG? Using the inbuilt snipping tool and third party tools, the resulting pasted image ends up as a PNG in Gmail. PNG files are ...
Bryce's user avatar
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1 answer
436 views

Bulk convert image-data URIs to images

I have a text file of 391 image-data URIs, one on each line. I need to batch-convert them all to images, named according to their sequence (i.e. image001.png, image002.png or similar). What do people ...
Zarka's user avatar
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How can I open or convert JTIP (jpeg tiled image pyramid) files?

I've found some old photos (.jpg) from 2005 on a harddrive and can't find a way to view them. Using droid, I found out that these seem to be JTIP (jpeg tiled image pyramid)-files. The puid of this ...
BlastingAgent's user avatar
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Monitor conversion help needed

In the early 1990s, I used Autocad 2, which used a CGA/EGA monitor. I still have the Autocad installed on an old IBM, but I don't have the monitor. I've seen converters that change the hertz (I ...
dontknowmuch's user avatar
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1 answer
854 views

Converting image to mpeg/mp4 results in mp4 file with 0 bytes

I'm trying to convert a png file to mp4 file but I get 0bytes mp4 files. Here is my code structure: ffmpeg -r [framerate] -i [images] -s [resolution] -vcodec libx264 [videofilename].mp4
user2033138's user avatar
0 votes
1 answer
571 views

Batch convert TIFF to PDF and add text

I have a bunch of TIFF files that I am interested to convert to a single multipage PDF file, which should be easily achieved using ImageMagick. However, I'm also interested in adding text to each ...
Gimelist's user avatar
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pnmtopng on large file

I am running pnmtopng on a 101M, 3000x4000 pixel PNM file. I get the error pnmtopng: ASCII decimal integer in file is too large to be processed. every time I run it. I looked through the source and it ...
tekknolagi's user avatar
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converting scanned imaged into a single DjVu file

AFAIK there are several ways to do this on Linux. I'm a Window's user. Any way to do it on Windows?
living being's user avatar
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Creating a movie from images using ffmpeg but getting only one frame

I read How to create an uncompressed AVI from a series of 1000's of PNG images using FFMPEG (specifically the section "Compressed RGB, But Also Lossless") and used this command: ffmpeg -i *.png -...
capybaralet's user avatar
-3 votes
1 answer
959 views

Converting BMP to PNG,JPG,GIF,TIFF quality differences

My question is what is the difference between PNG, JPG, GIF and TIFF in terms of quality, colour depth after converting BMP picture in those formats?
Samuel.P's user avatar