Questions tagged [png]

Questions about software used to create, edit and optimize static PNG images.

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Looking for a PDF -> PNG converter that can keep transparency

Problem: I have a default OSX cursor file, that I want to modify and save as PNG to later load in my program. Current solution: I found an online PDF -> PNG converter, which did the job, however ...
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  • 111
1 vote
2 answers
39 views

Open source replacement for Paint 3D

I'm using Paint 3D on Windows when I need to work with images. My particular use case involves using the same image repeatedly with different text. In paint, once the textbox is closed, your changes ...
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0 votes
1 answer
49 views

Any reliable raster library in C?

I'd like a minimal library that'll allow me to read/write/manipulate raster image formats, like BMP and PNG. Written in C99 or C11 or otherwise portable. Any recommendations? Edit I need to: load bmp ...
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  • 101
3 votes
1 answer
85 views

trace PNG with outlines to SVG

I have a PNG file that contains some B/W lines, e.g., I would now like to trace those lines to get an SVG file. When using Inkscape to trace, it'll always return the lines as 2D plastic objects: I ...
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0 votes
0 answers
53 views

Convert Text to PNG - (NexusFont alternative)

I need an alternative for NexusFont, or some soft that convert Text to PNG. Custom folder with a list of fonts for PNG image - background transparent - dimensions at least 5000x5000px. Unfortunately, ...
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2 votes
0 answers
212 views

Animated WebP decoder for Java

I am looking for a good Java library that can decode animated WebP imgaes to PNG files for each frame. I have come across libraries such as JMagick, webp-imageio, and JDeli, but these libraries are ...
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0 votes
1 answer
207 views

What Java library can convert PNG or JPEG to TGA/TARGA?

I would like to convert a PNG or JPEG image to a TGA image, using Java. Does anyone know a free, open source library that can do this conversion? Inspired by this Q from SO.
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  • 206
0 votes
1 answer
186 views

C# tool to convert svg to png

I am looking for a c# extension or nuget package to convert an SVG to PNG file with high picture quality.
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2 votes
1 answer
71 views

Java PNG creation library usable both stand-alone and on Android?

I'm looking for a Java library that can output PNG files. In my image-creation routine, I know the image size and the color of each pixel. I want my image-creation routine to be usable in two ways: ...
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  • 121
6 votes
3 answers
387 views

Convert a huge PNG picture to an interactive, zoomable map?

I generated a 65k x 65k (4 gigapixels) image that is basically a visualisation of the entire IPv4 address space from one perspective: No browser is willing to load an image that big, claiming it ...
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  • 231
2 votes
2 answers
93 views

Program that can resize images to fit a defined maximum size

I'm looking for a program on Windows that can resize images, preferably in bulk, to fit a certain maximum size. The images are in PNG format and are usually of a larger size than the limit of 3MB, so ...
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  • 121
1 vote
0 answers
154 views

Mermaid diagrams and flow charts as a service

I am looking for a web-service (not downloadable software) which accept string or URL to Mermaid diagram and return PNG or SVG image. Service should accept this Mermaid string: sequenceDiagram ...
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3 votes
2 answers
64 views

GUI bulk and intellectual image converter to convert png to jpeg with minimal losses and excluding containing transparency

I know about some 'advanced' converters, thats can optimize jpeg files piecemeal, strongly squeezing "unimportant" areas and practically without touching real content of image. In addition, there are ...
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5 votes
2 answers
3k views

Simple C++ 2D rendering engine

I need to brush up on my C++ for a course I am teaching in the fall, I want to have fun doing it and have an idea for a simple 2D game, however I don't want to have to worry about any of the rendering ...
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0 votes
2 answers
314 views

is there command line software for convert jpg to png In addition to imagemagick in linux?

I have issues with imagemagick on my machine, and hence am looking for an alternative that can be used to convert images from JPEG to PNG on the command line. The tool must run on Linux, and ...
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2 votes
2 answers
127 views

An online web tool to export SVG (as raw code) into other image formats

I'm very interested in SVGs, and I regularly write them as raw code on my iPad. My managed iPad—I can only install a specific list of whitelisted apps. If I want to, for example, upload it to a ...
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  • 123
0 votes
2 answers
41 views

Software to join exchangable images to a single image of A4 dimensions for printing

Basically I want to arrange ~10 (11 is probably impossible due to non-printable area) images of sizes say 813 x 1185px (png format) on a canvas, which ultimately is being printed on A4 paper (so that ...
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3 votes
1 answer
245 views

Generate sheets of animated characters

I need a quick way to generate a grid of perspectives that can later be used to animate a character. I was wondering if there was a software that could automate/facilitate this process, starting from ...
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  • 131
3 votes
1 answer
41 views

Drag & Drop canvas trimmer for transparent PNGs?

I need to take images that are exported and quickly trim off the transparent cruft around the images that are exported. The part to be removed will always be 100% transparent. Traditionally I use ...
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2 votes
3 answers
142 views

Dynamic diploma generation

I'am working on online training site. When user finished the course I would like to generate downloadable diploma for them. They could print it and hang it on the wall. It should be graphically ...
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  • 121
3 votes
1 answer
63 views

Tool to turn video into long PNG

I have some small video files that are a few seconds long, and I would like to turn them into long PNG files. I'm not sure if there is a better way to say this. For example, if one of the videos is ...
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6 votes
1 answer
184 views

Library to overlay text on top of data URI images

In HTML, I can use a data URI to display image to avoid requiring an HTTP request to fetch image resources. This can be useful for displaying icons. For example: <img width="128" height="128" ...
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1 vote
0 answers
74 views

Tool to rasterize large SVG files to PNG

Please suggest a tool to convert (rasterize) large SVG files to PNG format. I am getting lucky with Inkscape for small SVG files, however a 45 MB SVG file is not getting converted.
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  • 111
2 votes
1 answer
47 views

Lightweight image viewer with real-time editing features

I most often read books from scans rather than paper, I also highly preferred it to be in the form of batch of jpgs/pngs rather than in a single pdf since it can give me a very fast overview of the ...
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4 votes
0 answers
143 views

png image viewer that shows tEXt metadata

I am looking for a simple image viewer for PNGs that also displays the metadata encoded within the image (png tEXt chunks). It needs to: support most PNG image types (but MUST support viewing 16bit ...
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  • 141
9 votes
3 answers
6k views

Convert video to APNG

I'm looking for an application that converts any video into animated PNG format (aka. APNG). The application should read MKV files as well as other popular formats and allow to select: Dimensions of ...
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3 votes
2 answers
3k views

Conversion from PNG to EPS

I would like to convert PNG images/graphs to EPS without losing even a bit on resolution. All the things I tried (potrace, autotrace, using convert, gimp) the resolution is getting too bad. Any kind ...
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  • 33