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Questions tagged [image-conversion]

Converting an image into another format or color space

79 questions
97
votes
10 answers

How do I convert a .PNG into a .ICO?

There's an image in the VS2010 stock icon pack which is only included as a PNG, which I would like to use as an ICO (I want XP and earlier users to see the icon). How can I convert the PNG into the ICO?
Billy ONeal
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38
votes
6 answers

How to convert a multi-page PDF file to PNG files, with one PNG file per page of the PDF document?

How do I convert a multi-page PDF file to PNG files, and automatically save one PNG file per page of the PDF document (for Windows 7)? I have tried virtual printers (CutePDF, Bullzip PDF Printer) and image editing software (Irfanview, Photoshop) to…
galacticninja
  • 6,352
32
votes
6 answers

How to disable WebP images in Chrome?

Google Chrome sometimes takes a .jpg image and converts it to a .webp file. The problem is that when I save this image to file, I cannot open the file. I have tried manually changing the extension of the file to ".jpg", but the file is still…
rubik's sphere
  • 641
19
votes
8 answers

How do I batch convert thousands of NEFs to JPEGs?

I accidentally set my camera (a Nikon D70) to shoot in NEF only and not NEF+JPEG. Obviously, this will be a major pain when I want to go through them all. I don't envy having to wait for seconds at a time for a single picture to render. Is there any…
nc4pk
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16
votes
7 answers

How to convert .jpg images to .eps?

How can I convert a .jpg image to an .eps?
Arindam
14
votes
7 answers

Can I create an image with a specific size in bytes?

I want to create an image file so it's exactly 5MB for testing purposes. Is it possible?
John Doe
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14
votes
4 answers

How can I convert a PDF into a series of Images (JPGs or PNGs) via the terminal on mac?

I have a pdf and I'd like to convert it to a series of images, numbered 0001.jpg - XXXX.jpg ? I found this so far sips -s format png your_pdf_file.pdf --out your_png_file.png but it seems to only to the first page of the pdf, and the quality of the…
R. Kohlisch
  • 243
11
votes
4 answers

Bad results converting PDF to EPS on Linux

I'm having some trouble converting PDFs (created by Adobe Illustrator on a Mac) to EPS. I have tried several things but I am wondering if there is a better option. The following list is ordered by decreasing quality: inkscape --export-area-page…
Tim
  • 1,752
11
votes
1 answer

Is it safe to simply rename a .jfif file to .jpg?

I downloaded several images that are are .jfif files. I have various enhancements (e.g. context menus) and processing scripts that are keyed to *.jpg files and would like to use these with the new files. I have read Are all JPEG files JFIF?, but…
Martin
  • 2,276
9
votes
3 answers

how to convert PDF to PNG without converting white background intro transparency

I am converting a PDF (which I made with R) to a PNG with a command like this: convert -density 200 foo.pdf bar.png This generates a PNG allright, but the white background is transparent in the resulting PNG. This is not what I want, I want the…
user50105
9
votes
4 answers

Bulk convert PNG-24 to PNG-8 files with best quality

Can anybody recommend a good method of bulk converting a large amount of PNG-24 files to PNG-8 with as little loss of quality as possible and maintaining transparency? I've tried ImageMagick but the resulting images weren't quite as crisp quality as…
Gavin
  • 325
9
votes
4 answers

How to convert multiple embedded PNGs to JPEGs in Powerpoint file?

I have a large PowerPoint file with many embedded images, some of which are JPEGs and some PNGs. To make the file as small as possible I would like all the PNG images to be converted to JPEGs. This can be done by manually saving each image,…
Harry Vervet
  • 191
8
votes
3 answers

Turn pngs to one ICO file

How do i convert a series of pngs of 16,24, 32, 48, 64, 128 to one *.ico file
eyalw
  • 191
8
votes
2 answers

Batch convert WebP files to GIF files offline?

Writing a batch script to convert all WebP files to be GIF format. Looking at the closest utility offered by Google, I don't see an immediately obvious way to do that. I don't like having to use online converters for individual files, one by one,…
Ghoti and Chips
  • 191
7
votes
4 answers

Render a 3D image as a 2D vector image

Is there any software that will take a 3d model (in any format) and allow you to render it as a 2D vector image (preferable as either an .SVG or .PDF)? My intention is to render LEGO building instructions this way. While there are many tools that…
Clinton Blackmore
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