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Shipping textures as PNGs is suboptimal

Are you shipping textures to players as PNGs? The goal of this post is to convince you that this is suboptimal, and walk you through a better approach. I’ll also share my implementation of the suggested approach, but if you’d rather do it yourself I’ll also provide you with the information you need to get started. If you’re using a game engine, it is almost certainly doing what this post suggests automatically, but it doesn’t hurt to double check! What’s wrong with PNGs? source PNGs are great f

Stop Shipping PNGs in Your Games

Are you shipping textures to players as PNGs? The goal of this post is to convince you that this is suboptimal, and walk you through a better approach. I’ll also share my implementation of the suggested approach, but if you’d rather do it yourself I’ll also provide you with the information you need to get started. If you’re using a game engine, it is almost certainly doing what this post suggests automatically, but it doesn’t hurt to double check! What’s wrong with PNGs? source PNGs are great f

Consider using Zstandard and/or LZ4 instead of Deflate

One of the issues we have with .PNG is slow read/write times. There are now new lossless open source codecs without patent concerns, such as Zstandard (maintained by Facebook) or LZ4: https://facebook.github.io/zstd/ https://github.com/lz4/lz4 Zstandard is used by the new Khronos KTX2 GPU texture format specification. I propose that it be added as an option to a future version of .PNG. The possible speedups are quite significant, and for users that read and write a lot of .PNG's as part of th

GPT-5 is already (ostensibly) available via API

Using the model gpt-5-bench-chatcompletions-gpt41-api-ev3 via the Chat Completions API will give you what is supposedly GPT-5. Conjecture: The "gpt41-api" portion of the name suggests that there's new functionality to this model that will require new API parameters or calls, and that this particular version of the model is adapted to the GPT-4.1 API for backwards compatibility. Here you can see me using it via curl : https://preview.redd.it/glxute607egf1.png?width=1181&format=png&auto=webp&s=

Topics: api gpt https model png

Fun with gzip bombs and email clients

Gzip/Zip bombs have been a thing for decades. Lets create a 10MB gzip file which decompresses to 10GB: dd if =/dev/zero bs =1G count =10 | gzip > 10gb.gz This is called a Gzip bomb, because when it is decompressed, it blows up to a much larger size (~1000 larger). Add it your website document root and configure Nginx to serve it up as an image, with gzip Content-Encoding: location /10gb.png { default_type image/png; add_header Content-Encoding gzip; try_files /10gb.gz = 404 ; } An HTTP clien

Topics: 10gb https img png src

PNG image format receives HDR and animation support in first spec update in decades

Why it matters: For decades, JPEG, PNG, and GIF have remained among the most popular image formats, even as newer options like WebP and AVIF have emerged. Now, PNG is getting its first meaningful update in over 20 years with the release of its third edition, making the format more versatile than ever. The World Wide Web Consortium (W3C), which manages web standards and guidelines, recently published new specifications for the PNG (Portable Network Graphics) image format. The updated format now

A new PNG spec

PNG is back! Jun 24 2025 A new PNG spec was just released! Everyone, go update your 2003 forum avatars. Jokes aside, this is exciting news. PNG is back to its former glory after its progress stalled for over two decades. Did you know the U.S. Library of Congress, Library and Archives Canada, and the National Archives of Australia recommend PNG? It is important that we keep PNG current and competitive. After 20 years of stagnation, PNG is back with renewed vigor! What's new? Proper HDR support

Topics: hdr new png spec support

PNG is back

PNG is back! Jun 24 2025 A new PNG spec was just released! Everyone, go update your 2003 forum avatars. Jokes aside, this is exciting news. PNG is back to its former glory after its progress stalled for over two decades. Did you know the U.S. Library of Congress, Library and Archives Canada, and the National Archives of Australia recommend PNG? It is important that we keep PNG current and competitive. After 20 years of stagnation, PNG is back with renewed vigor! What's new? Proper HDR support

Topics: hdr new png spec support

Show HN: Meow – An Image File Format I made because PNGs and JPEGs suck for AI

MEOW The most Purr-fect Image File Format for your AI workflows Wait- What? You Can Just Make File Formats? Well- yes, but no, I'll come to that bit later, but before that, let me geek out about what this project is MEOW (Metadata Encoded Optimized Webfile) is a Python-based image file format designed to be efficient, practical, and cross-platform compatible. With support for RGBA transparency, metadata, and fast rendering capabilities, MEOW provides a modern alternative for image storage and

Topics: ai data file meow png