Questions tagged [image-conversion]

Converting an image into another format or color space

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87 votes
10 answers
95k views

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 ...
Billy ONeal's user avatar
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38 votes
6 answers
58k views

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 ...
galacticninja's user avatar
29 votes
6 answers
92k views

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 ...
rubik's sphere's user avatar
17 votes
7 answers
49k views

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 ...
nc4pk's user avatar
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15 votes
7 answers
67k views

How to convert .jpg images to .eps?

How can I convert a .jpg image to an .eps?
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13 votes
6 answers
9k views

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's user avatar
  • 167
11 votes
4 answers
11k views

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 ...
R. Kohlisch's user avatar
11 votes
4 answers
8k views

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 ...
Tim's user avatar
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10 votes
1 answer
5k views

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 ...
Martin's user avatar
  • 1,816
8 votes
3 answers
8k views

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 ...
user avatar
8 votes
3 answers
4k views

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 ...
Harry Vervet's user avatar
8 votes
4 answers
14k views

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 ...
Gavin's user avatar
  • 315
7 votes
2 answers
3k views

Convert PNG or JPEG into PDF without reencoding

I have a JPEG (or PNG) image file and I want to create a PDF that contains this image without any quality loss. Just a one-page PDF document with that image. Is there an easy solution for this? I ...
Csq's user avatar
  • 286
7 votes
3 answers
3k views

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's user avatar
  • 181
7 votes
4 answers
9k views

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 ...
Clinton Blackmore's user avatar
5 votes
2 answers
11k views

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 ...
Ghoti and Chips's user avatar
5 votes
3 answers
3k views

Converting NEF files to JPEG

What is the fastest way to batch convert NEF files (Nikon RAW) to JPEG? I'v tried FastStone Image Viewer and Nikon's Capture-DX on my RAM-drive but they appear to be very slow, although Capture-DX ...
fubo's user avatar
  • 223
5 votes
1 answer
13k views

Use ffmpeg for JPEG to TIFF conversion

I would like to use Tesseract OCR with a video. With ffmpeg I can export some (.jpeg) images from a video. Can I convert a .jpeg into a valid .tiff or export directly .tiff images from the video with ...
Tenaciousd93's user avatar
5 votes
1 answer
6k views

Size of GIF way too high?

I'm trying to extract a GIF from an MP4 video file. Now I have two modi with which I do this: 1) the regular one: ffmpeg -t 7.7 -ss 00:22:53 -i video.mp4 -i palette.png -s 320x174 -filter_complex "...
nfisher's user avatar
  • 53
4 votes
1 answer
8k views

Conversion from GIF to PNG not working

I was looking for a way to break an animated GIF into the images composing it, and found many threads recommending: convert -coalesce Dijkstra_Animation.gif djik.png I ran this command but it fails. ...
user774743's user avatar
3 votes
4 answers
7k views

How to convert multiple images at once from JPEG to PNG?

How can I convert multiple images at once from JPEG to PNG? The JPEG to PNG converter on my MacBook does not convert many images quickly at once. My option is now: Convert JPG to PNG - JPG4PNG
Mappbe Thomas's user avatar
3 votes
2 answers
3k views

Is there any command line docx to image converter available?

Is there any docx to image (jpg, png, bmp, ...) available with command line support? It's better to have one in windows, but if there is any in linux, that's great too.
hpaknia's user avatar
  • 874
3 votes
4 answers
16k views

Converting Mac OS X's Picture Clipping Files to Image Files

My wife has extracted a bunch of images from a larger document by individually selecting the images and then dragging them to a folder on her Desktop. These now show up as "picture clipping" files in ...
Kristopher Johnson's user avatar
3 votes
1 answer
8k views

convert multiple jpg into one with linux [duplicate]

I have multiple jpg that come from a scanner. I want to combine all into one ? how ? I have seen something like $ convert -adjoin *.jpg one.jpg but it create multiple one.jpg images.
Luigi's user avatar
  • 319
3 votes
1 answer
6k views

Convert .ai to .png?

I just downloaded a free vector graphics set which contained UI elements and icons. The button graphics have some text on them. It were, however, .ai files which are not familiar to me. Obviously, I ...
pimvdb's user avatar
  • 383
3 votes
3 answers
8k views

Why is a PDF containing just one image much bigger than the image itself?

I would like to embed a scanned document into a PDF document. The source picture is about 300 kB. If I use the convert command, the PDF has a size of 30 MB, and with GIMP, 3 MB. Here the resulting ...
Gaël Barbin's user avatar
  • 1,009
3 votes
0 answers
18k views

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
  • 285
2 votes
3 answers
117k views

How can I convert a PDF to an editable Visio file?

I have old PDF document (image of a map), and I want to import it into Visio to edit/update it. What is the basic workflow to follow. Attached is sample PDF. Is there a way to trace the lines/shapes ...
slivingston49's user avatar
2 votes
2 answers
2k views

Batch Convert BMP to PNG & keep original created/modified dates

I have many screenshots from video games over the years that I want to convert while maintaining their timestamps so I can keep them chronologically organized with other images. I've already used an ...
Milo's user avatar
  • 193
2 votes
2 answers
7k views

How to Split a Multipage Tiff File on Macintosh?

I see a similar question here, but it in for Windows. How can I break out a page of a multipage tiff file on Mac OS X Sierra? I've got Photoshop CS6 and Illustrator CS6 and Acrobat Pro DC, but none ...
WilliamKF's user avatar
  • 7,908
2 votes
4 answers
6k views

Save images of different sizes as a pdf

I have multiple images, all of different sizes. What I want to do is save each image on its own page in a PDF document, with no white space around it. Would this be possible?
Yubin Lee's user avatar
  • 173
2 votes
1 answer
3k views

Which ffmpeg flag fixes MP4 missing frames in Premiere?

We are converting a sequence of DPX images into an MP4 video: ffmpeg -start_number 101 -i dpx/example.%04d.dpx ./example.mp4 # minimal conversion ffmpeg -y -start_number 101 -i dpx/example.%04d.dpx -...
lofidevops's user avatar
  • 1,328
2 votes
1 answer
3k views

Convert black and white jpeg to binary string [closed]

Given a jpeg image with all black and white pixels, I want to convert all black pixels to 1's and all white pixels to 0's, and have these 1's and 0's output to a text file. Is there any program that ...
Jackson Ray Hamilton's user avatar
2 votes
2 answers
6k views

Convert an image strip into gif

By "image strip" I mean a sequence of images all concatenated into one, single, long image. For example, assuming each frame is of equal size at 128x128 pixels ------------------------------ | 1 | ...
MxLDevs's user avatar
  • 1,189
2 votes
3 answers
7k views

Program to convert a dst file to jpeg

I am looking for a program (preferably free) to convert a DST file to Jpeg (or PNG) I know DST is an embroidery format and not much else so I don't even know if this conversion is possible?
Dean's user avatar
  • 438
2 votes
1 answer
2k views

How do I convert stereoscopic 3D photos (.sjpg, side-by-side, interlaced) to Facebook-compatible depth-map+stereo pair .heic 3D?

*.heic is the "new jpg" being pushed by Apple, Samsung, etc. It is a improved image format. Facebook not only supports glTF 3D models, but also now supports iPhone 7 & iPhone 8 3D photos, which ...
Jonathan's user avatar
  • 1,742
2 votes
1 answer
76 views

slice and rearrange long skinny image to fit on screen

I have many images, each roughly 10000 x 40 pixels, visualizing graphs that are mostly chains with a few spurs and other "decorations." (They're made by piping OpenFST's fstdraw through Graphviz's dot)...
Camille Goudeseune's user avatar
2 votes
1 answer
3k views

Convert image to video with empty audio track

I've found a good command to convert an image to a video in FFMPEG, but each image is going to be concatenated into a longer set of videos and images, and I need concat to concatenate the audio tracks ...
Daniel Jacob Archer's user avatar
2 votes
0 answers
133 views

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
  • 31
2 votes
0 answers
920 views

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
  • 33
1 vote
2 answers
10k views

How to bulk convert Base64 to images in an Excel file

I have an excel file with 500 rows of image URIs in Base64 (as you can see in the image). I need to convert them to images and download them to my computer. Is there a website/tool/code that can do ...
Iman Ghavamabadi's user avatar
1 vote
1 answer
1k views

Why does imagemagick increase the file size of my pdf?

I have a pdf file containing a single page with scans of some documents. I want to remove obsolete parts of the page (I tried cropping and overlaying a white rectangle) and save it again. I expected ...
user829755's user avatar
1 vote
2 answers
3k views

Batch conversion of PVR to JPEG (or similar)

(This question was originally posted at gamedev.stackexchange.com, but it was suggested that this may be a more appropriate place for it) The command line PVRTexTool works very well for getting ...
Toji's user avatar
  • 111
1 vote
1 answer
59 views

How can I allow ImageMagick to convert a grayscale png to an ico file without errors?

I have a grayscale PNG, and when trying to use ImageMagick (Version 7.1.1-28) to create an ICO file it always gives me the following warning: $ convert favicon.png -define icon:auto-resize=16,32,48,64,...
Dan Herbert's user avatar
  • 1,791
1 vote
1 answer
138 views

How to put more than one image by page using img2pdf?

I have a series of images (>100) that I want to print in a specific size, that size let me put 8 of the images in a page, but when running the next command I get one image by page. img2pdf *.png --...
rurickdev's user avatar
1 vote
1 answer
2k views

Convert table image to Excel, using Excel

I have the table below in the image png file format. Would it be possible to convert this to an Excel table using Excel?
emnha's user avatar
  • 351
1 vote
1 answer
1k views

How to batch process pictures to split and reassemble them vertically?

I have 6,000 pictures with two horizontal bars of text in them, one at the top, one at the bottom. The goal is to cut the top bar and put it under the bottom bar of text. How would I do that in a ...
Hecate Newb's user avatar
1 vote
2 answers
2k views

All of the pictures from screenshots I saved were saved as a .txt file. How do I convert them back into images?

I go to my files and select my "Pictures" folder. I then select my "screenshots" folder. Within this folder are all my screenshots, but for some reason saved as text instead of an image, and I would ...
Emily M.'s user avatar
1 vote
1 answer
463 views

What is wrong with this attempt to crop an image with ImageMagick's convert utility?

I am trying to make a tool that will, in imitation of responsive design on the web, make iPhone / iPad wallpapers by taking the largest centered crop-to-device-dimensions it can, and programmatically ...
Christos Hayward's user avatar
1 vote
1 answer
102 views

Postscript to png conversion loss

When converting Postscript files to PNG, is there any loss of fidelity in the converted files? The postscript files are scanned at 1200DPI. If there is such loss, how can it be kept minimum? I'm ...
Chetan Bhargava's user avatar