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

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3
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1answer
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 ├── ...
0
votes
1answer
2k 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 ...
28
votes
4answers
17k views

How do I convert an SVG to a PDF on Linux

How do I convert and SVG (containing a a few words of latin text and some simple vector graphics) to a PDF on Linux? I tried Inkscape 0.47 on Ubuntu Lucid, but it moves some sub-graphics randomly, ...
0
votes
2answers
6k views

How to change the colour of a png image in any adobe software

I have a logo that is a process color and I need to change it to a pantone colour. The only way I could change the colour was if I live traced it but I lost some detail. So I was wondering if there is ...
5
votes
7answers
16k views

How to reduce PNG file size for web?

I have a PNG-24 file with transparent background and its current size is 1.5 MB. How to reduce size or use PNG-8 file format and keep same quality ? PNG file fro here: ...
1
vote
2answers
54 views

File Attributes - AI …Any clues?

Can anyone point me what does it mean when a .png file having 'AI' as File > Properties > Details > Attributes. Does it mean it made with Adobe Illustrator ? Also note that the png is 8bit image.
2
votes
1answer
22 views

PNG/BMP images become blurred on zoom

I recently installed a Debian Jessie desktop and when opening PNG/BMP images it all becomes blurred on zoom (in or out). With the image at 100%, everything looks sharp as expected. This happens both ...
2
votes
1answer
57 views

How can I explode an animated PNG?

Websites like GIF Explode allow you to "explode" an animated GIF into its component frames, and similar results are presumably easy to achieve with standard image-editing tools like GIMP, ImageMagick, ...
4
votes
2answers
2k views

Pdfcreator print file to multiple images (.png)

I am using pdfcreator. It installs a virtual windows printer that saves the file being printed into the desired format. I want to save my printed documents as multiple image files. (.png). I ...
1
vote
0answers
32 views

ImageMagick: is there a way to get the same PNG from the same image on multiple platforms?

I have a script for converting game assets to multiple resolutions, via imagick, and when I run the same imagick commands on Mac and Windows (with the same version of imagick - ImageMagick 6.8.7-2), ...
12
votes
3answers
10k views

What software can I use to read png metadata?

I know that I can create a simple little Qt based application that adds and read png metadata, using the QImage.setText(...) and QImage.text(...). That metadata can then be read with a linux command ...
1
vote
2answers
27 views

How can I create an MNG file out of PNGs?

I am really struggling to find compatible software that will allow me to animate PNG files. The GIMP plugin crashes my GIMP. Nothing else supports it. Is there any way I can easily put together the ...
1
vote
3answers
3k views

How to convert GIF files to PNG or JPEG in OS X with command line?

I have 10k+ GIF files that I need to convert to PNG or JPEG preferably using command line so that I can automate it. I'm not worried about losing quality or transparency, just need to prepare files ...
17
votes
7answers
33k views

How can I save a graph to a PNG or GIF file in Microsoft Excel?

How can I save a graph to a PNG or GIF file in Microsoft Excel? I know I can save as an HTML file and use the image created there, but I suspect there is a way that doesn't create other clutter of ...
28
votes
10answers
23k views

Command-line application for converting SVG to PNG on Mac OS X

Are there any command-line programs that can convert an SVG to PNG, that run on Mac OS X? Edit: Dylan B had a good answer with ImageMagick. For reference, to install ImageMagick with SVG support on ...
0
votes
1answer
65 views

Why are there no video formats that support transparency?

Why are there no [widely supported] video formats that support transparency? For example, the PNG image format supports transparency, allowing for some interesting effects in websites and documents. ...
1
vote
1answer
429 views

How to setup default interlacing for PNGs in Photoshop?

Every time I want to save a PNG in photoshop, asks me what type of interlacing I want. Is it possible to set the default to None and never hear about that dialog box again?
6
votes
1answer
2k views

Is it possible to make a .png (or other) image that does NOT have rectangular dimensions?

This might be a dumb question, but is it possible to make a .png file that isn't square? If so, how can one do this in Gimp? Ideally I'd like one in the shape of an X.
1
vote
2answers
337 views

Why would PNG format images be stopped by a mail client?

I tried to send someone an email with a PNG format image attachment but it was stopped by their email filtering software (messagelabs). They said I could send them the image in a JPG or ZIP format ...
0
votes
2answers
49 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 ...
0
votes
1answer
66 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 ...
2
votes
2answers
284 views

PNG displays differently in Firefox

Currently I'm working on a website with some bright colors. I'm trying to implement a seamless overlay on top of a few images, to give the sensation that the background is flowing over the image, ...
2
votes
2answers
255 views

Why shell commands for PNG file in Windows 8 doesn't work?

I have exactly same task like here: Windows 7 - Add shell command for .png file But this solution doesn't work in Windows 8 for unknown reason only for PNG files. And I don't know why. I tried some ...
0
votes
1answer
57 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?
4
votes
2answers
580 views

Create a .png with zopfli

I wanted to give zopfli a try since I have some static .png's that I am using on a website. I see how I can create .gz and .deflate-files. But how can I create a png that can be displayed in FF, ...
533
votes
5answers
68k views

Why does this PNG image display differently in Chrome & Firefox than in Safari and IE?

Check this image out: On Chrome and Firefox it will show as a pear. Now, try to save it and look at it saved on your desktop. Also, try viewing in Safari or Internet Explorer. It will display ...
2
votes
2answers
370 views

PNGs with Black Backgrounds

Why is it that when I copy/paste PNG files with a transparent background into photoshop that they show up with a black background, whereas if I save them, then open they're transparent? I find it ...
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vote
4answers
2k views

Make Thunderbird 3 paste inline images as GIF or JPG instead of PNG

I send email to people whose mailers don't show PNG images correctly, so it seems to them that I sent no images inline at all. In thunderbird, I can't see any options to paste inline images as GIF or ...
4
votes
1answer
10k views

Is there any quality difference between PNG vs BMP image formats?

I have just learned that PNG is a lossless image format while BMP can be both uncompressed or lossless format. Should there be a quality difference between these two? If not, does it mean that other ...
0
votes
2answers
345 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 ...
0
votes
1answer
112 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? ...
10
votes
2answers
8k views

How to create an uncompressed AVI from a series of 1000's of PNG images using FFMPEG

How can I create an uncompressed AVI from a series of 1000's of PNG images using FFMPEG? I used this command to convert an input.avi file to a series of PNG frames: ffmpeg -y -i input.avi -an ...
0
votes
1answer
120 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 ...
0
votes
1answer
179 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 ...
13
votes
4answers
26k views

How to read Fireworks PNG multilayer files without Fireworks

I recieved a couple of Fireworks PNG files. Fireworks has a special format for saving several source images in layers in the png file. How can I read these without having Fireworks installed? (im ...
1
vote
1answer
119 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 ...
0
votes
0answers
93 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 ...
5
votes
1answer
7k views

How can I convert a series of PNG images to a video for YouTube?

I have a sequence of PNGs (here is one specimen) which I turn into a video with ffmpeg: ffmpeg -r 10 -i image%03d.png -s 1380x720 -c:v libx264 -qscale 10 -r 30 basf_merck_libx264.mp4 With ...
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votes
9answers
1k views

How to compress a huge amount of PNG images?

At work, on certain projects I have to manage a lot of images. Most of the time PNG files work the best for what I'm doing. With such a huge amount of images, I've tried using PNG compression with ...
1
vote
0answers
412 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 ...
3
votes
4answers
4k 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 ...
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vote
0answers
111 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 ...
16
votes
3answers
28k views

Photoshop How to save selection to PNG

I have a largish PSD file with a couple of hundred layers, that I would like to extract selected areas from into PNG files. Areas can consist of a couple of layers. Being new to Photoshop, I have ...
1
vote
3answers
6k views

Convert video to apng/png?

I tried to do this with ffmpeg but failed (I also failed making animated GIFs). Is there a simple to use free program (command line is okay) to convert videos to animated PNGs? As long as it doesn't ...
0
votes
2answers
165 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). ...
37
votes
8answers
35k views

How to convert a PDF document to PNG?

Looking for a free way to convert a PDF document to an image.
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votes
3answers
10k views

Can't see PNG previews in Windows 7?

I´m using Windows 7 x64. I can see the .jpg, .gif, etc. preview thumbnails but if .PNG, I only see the generic image, and not the image preview like in the other formats. What can I do to fix this?
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votes
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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3answers
3k views

how to change the png file background to transparence

I used Paintbrush drawing an icon, if it is on a colored background, it will display a white block shown as below. I prefer to change the icon background from white color to transparent color: ...
3
votes
4answers
2k views

Is there any way to save a PNG-8 file with Alpha Transparency in Photoshop?

I recently discovered something that I previous thought was impossible: PNG-8 files can store Alpha Transparency in the same way as PNG-32 files can. Not Indexed Transparency (like GIFs), but full on ...