PNG (portable network graphics) is a popular image format that supports 32-bit colors and transparency.

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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 ...
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357 views

Batch convert svg to ico, specifying size?

In Windows, I have a GNOME icon theme in the svg format; several svg files residing within subfolders. Is there a way, on the command line, to convert these to ico files with the same name in the same ...
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2answers
128 views

Reducing file size of Photoshop-exported PNG files

I can export a file from PSD (photoshop) to PNG (portable network graphics) format. With an image sized 1024x768 I usually get a PNG file that's approximately 120KB. However, if I open that exact ...
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1answer
67 views

How to make SVG in Inkscape really scalable?

I wanted to know how to make SVG from a raster picture in Inkscape. I am in Wikipedia which uses lot of SVG's so I want to make a few. I know how to track those PNG and export the bitmap results as ...
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225 views

Exporting high quality PNG from LibreOffice Draw

I need to generate a PNG file of an image composed in LibreOffice Draw. When I export to PNG directly, the quality is almost perfect, but it's just slightly blurry. However, when I export directly ...
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79 views

Image optimization: Photoshop CS6 vs jpegtran / OptiPNG

Is there any difference in terms of algorithm for optimization between Photoshop's Shift+Alt+S (save for web) and jpegtran's -optimize and -progressive? It seems my images are not reduced (or reduced ...
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2k views

How do I merge a folder of PNG images to a mp4 movie using avconv?

I have a folder containing many time stamped PNG images which I'd like to merge to a short movie. The contents of that directory looks like this: └── images ├── img_20130421_115547.png ├── ...
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81 views

Most space-efficient format for image with large dimensions but few colors?

Recently I have had to scale up the dimensions of a gif image by a factor of 2, this resulted in an increase of the file size by about 8 times. While this is not a complete surprise, I can't help but ...
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384 views

.MOV video compressed with PNG has no alpha channel

I have a QuickTime file .mov with alpha channel compressed with PNG codec. What I need is to create smaller version of this file using ffmpeg. Everything works except new mov has no alpha (Adobe After ...
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2answers
569 views

Imagemagick convert making strange gif

I am trying to make a GIF from a set of PNGs (files like f0010.png). convert *0.png out.gif The GIF is coming out strange -- not looking like the PNGs, cutoff, stuff missing, etc. I tried also ...
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183 views

Render Video as png with Alpha

I have pixel art that I want to put in an animated png. I animated it in the timeline, but when I rendered it into a series of pngs, It has no partial transparency. Anyone know how to solve this?
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645 views

Set .png default compression in Photoshop CS6

Is there a possibility to set .png default compression options to "NONE / fast"? Whenever I try to save as .png, the default option is set to "smallest / slow".
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79 views

A photoshop png file all the same size generating dilemma

I have a photoshop file with layered componpents that I am animating. I need to save each layer of each element as a png file with the same dimensions (so if a box moves, 3 layers of the psd file have ...
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2answers
115 views

Software for lowering the colors in PNG-24 files

I am searching for a software that will allow me to reduce the number of colors for PNG-24 transparent (as in photoshop) files. Photoshop doesn't allow me any control over the amount of colors the PNG ...
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1answer
121 views

FileType_en_US_default instead of PNG

I just noticed that Windows Explorer (in Windows 7) shows the PNG filetype as “FileType_en_US_default” instead of the normal “PNG file” or whatever it shows in my german localization with Adobe ...
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2answers
125 views

Fix Linux-made png file for use on Windows

There is a particular icon library that I really like from DeviantArt. Now, I have downloaded the package that has the png files inside (I know the ico files are there, but I want the png files). ...
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2answers
3k views

Can I export a PNG image from Word? [duplicate]

Possible Duplicate: Copy Image Out Of Microsoft Word Someone sent me a doc file with a picture in it. Probably it is a png. I want to save the picture in order to paste it to other ...
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3answers
352 views

Tool to repair line drawings / diagrams wrongly saved as jpgs

When you compress a line drawing as a jpg, it goes kind of blurry. Areas of solid colour become areas of slightly variable colour etc. Are there any tools out there that attempt to fix this kind of ...
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715 views

How to convert a photo without losing quality?

I have to convert a bmp into another standard format, without losing quality. To which format shall I convert it to?
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5k views

How can i make a font using a .png image

I am using Font Lab Studio 5. but i dont know how to import vector file
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160 views

PNG works on iPhone but not through computer

I downloaded an app from Cydia called "Conway's Game of Life" to both my iPhone and my computer. On the iPhone it renders correctly, but on the computer some of the PNG files of the Cydia .deb ...
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1answer
988 views

ffmpeg and png watermark issue

I tried to create a watermark (using a png image) on a video like this: ffmpeg -i test.wmv -b:a 300k -ar 22050 -t 10 -f flv -s 352x288 -vf "movie = watermark_logo352.png [watermark]; [in][watermark] ...
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4answers
2k views

Best way to export powerpoint slides into pngs with different resoltuions?

I am trying to convert powerpoint slides into a png. I know that there are several ways that allow to do this by allowing for changing the resolution (e.g., within powerpoint by changing the registry, ...
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2answers
1k views

lossless PNG to video in Imagemagick

As an intermediate step in creating an animation, I need to put a bunch of sequential PNGs into a movie file. I tried ffmpeg but was getting compression and artifacting even when I set quality to ...
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1answer
1k views

Convert TIFF with Alpha Channel to PNG?

I have a TIFF File that has a blue background and an Alpha Channel. I would like to save a PNG File which has the blue background transparent, using the Alpha Channel (because some pixels are not ...
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1answer
77 views

Turn monotone background in transparent

On the internet, you usually get images, that originally were PNGs with aplha chanel and were pasted on white background. Is there some way to substract the white from the zones, where the ...
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1answer
91 views

Why do light edges appear on transparent PNGs online?

Everytime I try to use transparent PNG images on sites, white edges keep appearing around the images, seen in the photo below. How come this is happening, and how do I stop this from happening? ...
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242 views

Transparent texture rendered as black

I'm trying to render a scene with transparent png. The scene is actually imported from a .obj file (with another .mtl file), which should technically applies the transparency for me. ^ It does ...
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1answer
488 views

Mac get info always showing png icon instead of the icon

When I open 'Get Info' copy my icon over the default and it applies it but it never shows it. It only shows the default PNG icon (with the pictures and the camera). Does anybody faced the problem ...
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2answers
91 views

Identify specific PNG format

How can I tell, ideally with an Imagemagick identify command, whether a particular PNG is PNG32, PNG24 or PNG8? The %z or %[depth] gives the sample depth (not the pixel depth), which is always 8 or ...
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1answer
993 views

Saving image as PNG-24 in IrfanView

Is it possible to save an image as PNG-24 in IrfanView? I am asking this because the edges around circular lines get disturbed when saving the image as transparent. I heard that this might be due to ...
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2answers
66 views

How do I apply a border on a picture from another picture [closed]

I want to add the border on this picture: to this picture: How do I accomplish this?
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1answer
1k views

How to use .png icons in Windows 7?

I'm pretty sure I you can't do that directly, but maybe there is a workaround which I am not aware of? But, if nothing else, someone points to the good png-to-ico batch converter, well, so be it, ...
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1answer
262 views

Paint for Windows seven 64 bits: How to change the default save format from png to jpg [duplicate]

Possible Duplicate: Is it possible to change MS paint's default save file type to PNG When I copy an image in Paint and want so save it, the default format is png. How is it possible ...
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472 views

IE8 crashes on downloading PNGs

Internet Explorer 8 (IE8) is simply refusing to download a PNG image - it just crashes. First, I thought it was the file size, so I saved it as a JPEG, which worked but then IE hung on the rest of ...
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24 views

Do more compressed PNG images take longer to load?

When I create PNG files with very small disk size, I tend to wonder if the file size becomes less important than the time viewers would need to decompress the image. Technically that would be trivial ...
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1answer
40 views

How can I convert a large PDF to PNG?

I want to convert a very large PDF file (>2GB) to a PNG (or JPEG) file so that it is easier to open and look at. I want to do that without opening the PDF file since it is too large to be opened. Is ...
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1answer
32 views

Transparent regions of pasted png display as black in Inkscape

If I copy and paste, for instance, this image from Chromium or Opera webbrowsers into Inkscape, the regions which should be transparent are rendered as black, like so: How can I avoid this?
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80 views

gnuplot not working on ubuntu

My initial problem is that i am unable to find png as list of terminals in set term. So using the link http://askubuntu.com/questions/393882/png-terminal-in-gnuplot, I installed the gd library.And ...
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1answer
82 views

Unable to plot png in gnuplot

i need to plot png files in gnuplot 4.6.3 and/or 4.6.4.I am unable to do so as set term does not list "png" as an option. system information is Linux masterx-Studio-1535 3.5.0-27-generic #46-Ubuntu ...
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33 views

Using Ghostscript, can an image output be scaled prior to “printing”?

I'm working on a project where par of the requirements are to convert the first page of a PDF to a PNG. This in and of itself is relatively simple, but I've yet to find a way to scale the resulting ...
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323 views

.png file won't open in terminal

for some reason this .png image won't open in my terminal. i keep getting these responses: lkthomas@unix12:~/private$ eog snippet.png Cannot open display: Run 'eog --help' to see a full list of ...
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3answers
137 views

Convert single PNG image into single PDF

I need a method to convert single images (specifically PNG format) into PDF's that are automatically re-sized to fit that single image (and not remain the default 8.5x11" letter size). I could do this ...
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99 views

What is the indicator_large.png file used for in the Dock resources on OSX?

In /System/Library/CoreServices/Dock.app/Contents/Resources, there are the following files (among others): indicator_large.png, indicator_medium.png, and indicator_small.png. The indicator_medium.png ...
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1answer
120 views

Batch image replace 2 colors

I know there is already such question but it didn't helped me. I have a lot of image files, where I want to change purple RGB(255, 0, 255) to transparent (it is png). Is there any app which could do ...
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1answer
579 views

convert serveral image files to a single djvu file

Suppose I have serveral BMP image file, say 001.bmp, 002.bmp,..., 100.bmp. I want to convert these files to a single djvu file, whose first page is the content of 001.bmp, the second page is the ...
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234 views

How can I add metadata to PNG images on OS X/Linux?

Is there a program for OS X and Linux that I can use to add Textual information to PNG image files? Something for Windows also, maybe?
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240 views

I need to convert a bunch of *pngs to *.mpg in linux/CENTOS. How can I do this?

Title says it all, and I am not too familiar with LINUX, but I can get by if I get some help. I am looking for a way(s) where I can do the above, or in lieu of that, download a program that will do ...
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139 views

ming 0.4.2 compilation errors on Ubuntu 12.04 when installing from source code

I am trying to install ming 0.4.2 from source code and it was compilable before on Ubuntu 10.04, but now it' giving following compilation errors when I try to install using command sudo make install ...
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1k views

How can I create a 24-bit PNG with alpha and no transparency in Fireworks CS3?

We're creating icons for a mobile app, and the developers have asked for very specific files. One needs to be 48px x 48px and has to be a 24-bit PNG with alpha and no transparency. I'm using ...