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

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3answers
16k 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 ...
1
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2answers
727 views

Convert PNG to Multi-page PDF

I've seen a lot of posts about how to convert a multi-page PDF to PNG but I'm wondering how I can go in the opposite direction if I have the size of each page I want made.
5
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1answer
3k views

correctly sizing PNG images in markdown with pandoc for html/pdf/docx

I am trying to use markdown with pandoc to convert a single document into html, pdf, and docx. It's an extremely simple document containing only math-less text and a few images. The images are in ...
5
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1answer
1k views

Convert png sequence to x264 with ffmpeg

I am trying to convert a series of pngs into an mp4 video. I am using ffmpeg, and want to encode the video with the H.264 codec. Using the command ffmpeg -y -r 30 -b 1800k -i _tmp%04d.png -vcodec ...
4
votes
1answer
3k 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 ├── ...
2
votes
1answer
379 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 ...
1
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1answer
44 views

I would like to batch change one colour in a group of PNGs. Mac - freeware software

I hope someone would be able to help me. I have a group of icons in png format. They are all transparent backgrounds with one colour for the actual icon. I would like to change this colour in all of ...
1
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1answer
106 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 ...
0
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1answer
35 views

Prevent Office 2010 from opening Hyperlinks in Internet Explorer

I have several hyperlinks in an Excel 2010 sheet that are .png image files. I have .png files set to open in MS Paint. In Windows 7, clicking a link would directly open the file in MS Paint. But in ...
0
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1answer
72 views

ffmpeg convert image to mpeg/mp4 gets mp4 file with 0 bytes

I'm trying to convert a png file to mp4 file but I get 0bytes mp4 files. Here is my code structure: ffmpeg -r [framerate] -i [images] -s [resolution] -vcodec libx264 [videofilename].mp4
0
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1answer
53 views

ffmpeg convert image to mpeg/mp4

To convert jpg to avi this code works perfect on my server shell_exec("ffmpeg -f image2 -r 1/10 -i image.png out.avi"); I need to convert jpg/png images to mp4/mpeg. How do I do this?
0
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1answer
309 views

Batch convert images to ASCII art in GIMP

I want to convert a photoset of .png pictures to .txt files using the ASCII art generator of GIMP. I can do this individually just exporting the picture as .txt format, but I can't find any batch ...
0
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1answer
26 views

Substracting colors and extracting transparency values

Lets say a picture was made to semi-transparent and added on a flat background color. The original picture, background color and result(mixture) is known. But, that added transparency(alpha value) is ...
0
votes
1answer
701 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 ...
0
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1answer
181 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?
0
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1answer
1k 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 ...
0
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1answer
532 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?
0
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1answer
602 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 ...
0
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1answer
168 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 (...
0
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1answer
5k 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 ...
0
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1answer
1k views

Saving as PNG-8 vs -24: How can I tell how much color info is being discarded?

Using Photoshop CS4 'Save for Web & Devices' -- I can tell with the Color Table how many colors are in use in the PNG-8, but am not sure how much downsampling to 256-colors is reducing the color ...
3
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0answers
105 views

Windows 7 Colors (PNG darker in browsers)

A few days ago I installed f.lux, and since then I've noticed that my PNG images look darker in Firefox. I've never encountered such a problem before. It doesn't work with it (f.lux) disabled either. ...
2
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0answers
26 views

Glitch PNG on External Hard Drive

Basically, I'm taking photos, and edit them using photoshop. Then, I save them as .png on my macbook. After that, I copied them to my external hard drive. Few days later, when I check those files, ...
1
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0answers
1k views

What is @OpenWithToastLogo.png?

Background Recently, I copy-n-pasted some text from Notepad into a command line window. The copied text included a TAB character prefixing the text I copied, for example "{tab}test.exe". When I ...
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0answers
75 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), ...
1
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0answers
295 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 ...
1
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0answers
727 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 ...
1
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0answers
244 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?
1
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0answers
988 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".
1
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0answers
109 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 ...
0
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0answers
21 views

Is there any quality in loss in FFMPEG when converting to .PNGs?

I need to dump video files to their individual frames as .png files, and I'm using FFMPEG to do so like this: ffmpeg -i video.ts -r 59.94 dump/%d.png Now, I get all of the frames I need, and they ...
0
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0answers
21 views

What kind of compression is PNG - ZIP in irfan

I downloaded the DLL plugin for PDF files and and am extracting files to PNG compression level 1. Information for extracted files says "compression PNG - ZIP" Are they still PNG files or ZIP files ...
0
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0answers
29 views

pnmtopng on large file

I am running pnmtopng on a 101M, 3000x4000 pixel PNM file. I get the error pnmtopng: ASCII decimal integer in file is too large to be processed. every time I run it. I looked through the source and it ...
0
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0answers
56 views

Convert image sequence to animated GIF in OS X command line without 3rd party tool?

Is it possible to convert image sequence (e.g. PNG) to animated GIF with OS X command line (sips)? There is many guides that show how to make GIF to PNG, but not with other way. I know there is like ...
0
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0answers
24 views

Some PNGs are not being displayed on IE8

I'm performing QC on an eLearning course my team has built and I'm having an issue with some PNGs that are not being displayed on IE8. Within IE9, IE11, and Chrome, the images are shown (floating ...
0
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0answers
217 views

How can I edit PNG file rating property value in Windows 10?

In Windows 7 and 8 I was able to edit the rating of PNG files by right clicking on that file and going to Properties, Details, Rating. In Windows 10 this is not available anymore for PNG files, but ...
0
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0answers
142 views

.png images load great - .jpg images are blurry on website

I've searched around and found lots of information about blurry images and I've implemented some of the fixes I found and it worked on about 50% of them. I'm posting Android apps and iOS apps - all ...
0
votes
0answers
373 views

avconv and ffmpeg: errors reading png files

I'm trying to use avconv to overlay data onto a video. I generate PNG files representing the overlay data at 4fps. The PNG files are the 120px wider and 60px taller than the original video, because ...
0
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0answers
601 views

Mac Cursor PNGs

So I found a collection of PNGs for authentic Windows cursors. Does anybody know where I can find the same for OSX? The only one I've found so far is the following standard black cursor:
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0answers
18 views

Windows 8 Search Fails to find PNG Files in Indexed Folder

The indexing service has been on, and has not been off in the past year. I've rebuilt the whole index in the past, at it didn't solve the problem. The folder is set to be indexed (Control Panel -> ...