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Questions tagged [crop]

99 questions
35
votes
3 answers

"Security" Issue: Retained Cropped Screenshots

I made the worrying discovery today that after cropping a screenshot in Word, PowerPoint, and probably other Microsoft Office programs, the rest of the cropped screenshot is retained. This has made me fairly paranoid as I frequently take screenshots…
user462760
  • 361
35
votes
9 answers

Photoshop: Trim a photo so it contains no transparent pixels?

In Photoshop, I've put together some panorama photos using the Photomerge tool, and the resulting image contains a lot of transparent pixels. Also, because it's assembled from multiple photos, the alignment can be off. What I'd like to do is cut the…
nickf
  • 2,328
29
votes
2 answers

Command line to automatically crop an image?

By using Gimp's menu, you can automatically crop the image (removing white borders). I have a lot of images with white borders of different sizes. I want to remove them using Gimp in command line but I cannot figure out what the command is. Anyone…
GuillaumeThomas
  • 1,925
26
votes
3 answers

Is it possible to autocrop black borders of a video with ffmpeg?

I think it has a "blackness" video filter, which can determine if a picture sequence is black. Maybe it also has a filter to determine crop values automatically to remove black borders form edges of a video. Or maybe it is possible somehow to write…
Konstantin
  • 703
21
votes
2 answers

Cropping videos in Windows Live Movie Maker

I want to crop (as in, take a subset of each frame, like when you crop a photo) a video in Windows Live Movie maker. Is there a way to do this, and failing that is there another free tool i can use to do that?
RCIX
  • 5,855
20
votes
2 answers

Is there a Linux tool that can autocrop the white margins in a PDF file

I have PDF file in which I want to trim all the white space around as much as possible. It has to automatically detect and do it. I use Foxit reader and it has option to crop pages automatically while viewing. But I am looking for a command line…
Santhosh
  • 759
15
votes
9 answers

Can VLC crop black borders on the fly?

Many recordings have black bars either on top and bottom or at the left and right side due to the various aspect ratios used, resulting in a 4:3 coded 16:9 movie showing black borders on all four sides in fullscreen mode on a 16:9 monitor (top and…
Tobias Kienzler
  • 4,629
12
votes
4 answers

Lilypond: Is there a way to auto-crop the paper

In Lilypond the paper size can be set to A4, A5, Letter and so forth. However I have only a short song, and I want to embed it lateron. Therefore the output from Lilypond must be cropped somehow. Is there a possibility to let Lilypond itself do…
Boldewyn
  • 4,468
12
votes
5 answers

OS X: How to perform a lossless crop of a JPEG image?

I'm looking for a simple way to losslessly crop JPEGs on Mac OS X. Particularly, is there some way to get Preview to perform a lossless crop?
GJ.
  • 10,151
9
votes
2 answers

Auto-crop black margins dynamically of scanned images?

I have a notebook photocopied and the photocopy scanned, about 200 pages. For various reasons I need to print this material. There are large amounts of black areas at the sides of the page (after the page itself ends), "black margins". The image…
n611x007
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7
votes
3 answers

How do I set the "crop" (not aspect ratio) to 16:9?

Is it possible to set the default crop to 16:9 so I don't have to do it every time a movie starts on VLC playlist? Default aspect ratio 16:9 stretches the video to much to use it.
John Jasper
  • 71
7
votes
1 answer

How do I crop my screen's working area?

I have a particular need concerning display management in Windows. I have a broken display, and I want to use only one part of the screen, even with full screen apps. A bit like this: ______________________ | | | B …
Louisbob
  • 181
7
votes
3 answers

Cropping a circular area in a photo

If you look closely , it has white borders all over (see here). Now my question is , is there any software (free) that can help me crop out the circular area of the button. I have: Windows 7 with GIMP (though I can't find such feature in GIMP) and…
Gaurang Tandon
  • 202
7
votes
3 answers

ImageMagick only trimming one side, how can I trim both?

I'm trying to use ImageMagick(7.1.1-43) to automatically crop a photograph of a coin, removing the surrounding background. I want to trim the image based on a "fuzz" factor, effectively removing the mostly-uniform color. However, my current command…
Jeffrey Flynt
  • 173
7
votes
3 answers

How to batch crop multiple pictures to a fixed area? Ex. crop a 400x300 section in multiple 1600x2000 pictures

For example, I'd like to crop an area in this yellow rectangle in all pictures of same dimensions (same length and width). One use of this may be to crop a bunch of screenshots taken of a video game or program so that only the relevant parts of the…
CreativiTimothy
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