--- title: "#png articles | Hashnode" description: "Explore 54 articles tagged #png on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/png" --- Tag # #png 54 posts · 2 followers [png.now](https://hashnode.com/@pngnow) · [1d ago](https://hashnode.com/posts/why-is-this-png-so-big-lossless-optimization-png-8-palettes-and-when-to-leave-png-behind/6af3570e0dfde341b93e730e) ### [Why is this PNG so big? Lossless optimization, PNG-8 palettes, and when to leave PNG behind](https://pngnow.hashnode.dev/why-is-this-png-so-big-lossless-optimization-png-8-palettes-and-when-to-leave-png-behind?utm_source=hashnode&utm_medium=feed) PNG has a reputation for being "the big format". Sometimes that is fair: a photo saved as PNG really will be several times larger than a decent JPG. But a lot of oversized PNGs are not big because of 6 min read · [pngnow.hashnode.dev](https://pngnow.hashnode.dev/why-is-this-png-so-big-lossless-optimization-png-8-palettes-and-when-to-leave-png-behind?utm_source=hashnode&utm_medium=feed) [Pratyush Ranjan Roul](https://hashnode.com/@pratyushranjanroul) · [Oct 20](https://hashnode.com/posts/how-to-convert-webp-to-png-online-for-free-without-installing-software/6ad6f1ca2d5ded596d5709da) ### [How to Convert WebP to PNG Online for Free (Without Installing Software)](https://cometflow.hashnode.dev/how-to-convert-webp-to-png-online-for-free-without-installing-software?utm_source=hashnode&utm_medium=feed) Have you ever downloaded an image from a website only to discover that it is in WebP format instead of PNG? This can be frustrating when an application, document, or image editor requires a different 4 min read · [cometflow.hashnode.dev](https://cometflow.hashnode.dev/how-to-convert-webp-to-png-online-for-free-without-installing-software?utm_source=hashnode&utm_medium=feed) [Sumit Kumar](https://hashnode.com/@toolifyra) · [Oct 16](https://hashnode.com/posts/png-to-webp-lossy-vs-lossless-and-how-to-shrink-your-website-images/6ad2137a1edad73247cc4b3a) ### [PNG to WebP: Lossy vs Lossless and How to Shrink Your Website Images](https://toolifyra.hashnode.dev/png-to-webp-lossy-vs-lossless-and-how-to-shrink-your-website-images?utm_source=hashnode&utm_medium=feed) I'm Sumit Kumar, founder of TooliFyra. If you run a website, image weight is probably the cheapest speed win available. Many sites still serve large PNGs for logos, screenshots and graphics. WebP can 4 min read · [toolifyra.hashnode.dev](https://toolifyra.hashnode.dev/png-to-webp-lossy-vs-lossless-and-how-to-shrink-your-website-images?utm_source=hashnode&utm_medium=feed) [Sumit Kumar](https://hashnode.com/@toolifyra) · [Oct 16](https://hashnode.com/posts/how-to-convert-svg-to-png-at-high-resolution-up-to-10x/6ad2136a1edad73247cc4931) ### [How to Convert SVG to PNG at High Resolution (Up to 10x)](https://toolifyra.hashnode.dev/how-to-convert-svg-to-png-at-high-resolution-up-to-10x?utm_source=hashnode&utm_medium=feed) I'm Sumit Kumar, founder of TooliFyra. SVG files are brilliant for logos and icons because they stay sharp at any size. The problem is that many places do not accept them. Email clients, some social p 4 min read · [toolifyra.hashnode.dev](https://toolifyra.hashnode.dev/how-to-convert-svg-to-png-at-high-resolution-up-to-10x?utm_source=hashnode&utm_medium=feed) [Sumit Kumar](https://hashnode.com/@toolifyra) · [Oct 16](https://hashnode.com/posts/webp-to-png-how-to-convert-and-keep-transparency-intact/6ad21352a80d2f808d30b081) ### [WebP to PNG: How to Convert and Keep Transparency Intact](https://toolifyra.hashnode.dev/webp-to-png-how-to-convert-and-keep-transparency-intact?utm_source=hashnode&utm_medium=feed) I'm Sumit Kumar, founder of TooliFyra. WebP is a great format for the web, but it can be a nuisance when you are the person who downloaded the image. You save a logo from a website, try to drop it int 4 min read · [toolifyra.hashnode.dev](https://toolifyra.hashnode.dev/webp-to-png-how-to-convert-and-keep-transparency-intact?utm_source=hashnode&utm_medium=feed) [Yogeshwar Peela](https://hashnode.com/@exploitnotes) · [Aug 23](https://hashnode.com/posts/brunnerctf-2026-magic-or-not-writeup/6a8b1960e84c0d73dade1301) ### [BrunnerCTF 2026 : Magic or Not Writeup](https://exploitnotes.hashnode.dev/brunnerctf-2026-magic-or-not-writeup?utm_source=hashnode&utm_medium=feed) Magic or Not BrunnerCTF 2026 writeup: crack single-byte XOR using image magic bytes, decode four slices, and stitch them to recover the flag. 6 min read · [exploitnotes.hashnode.dev](https://exploitnotes.hashnode.dev/brunnerctf-2026-magic-or-not-writeup?utm_source=hashnode&utm_medium=feed) [ahmed isam](https://hashnode.com/@xiaoxiao2026) · [Aug 17](https://hashnode.com/posts/lossy-vs-lossless-compression/6a82a178843cbc443a854dd8) ### [Lossy vs Lossless Compression](https://xiaoxiao2026.hashnode.dev/lossy-vs-lossless-compression?utm_source=hashnode&utm_medium=feed) \- slug: \`lossy-vs-lossless-compression\` - 标题 EN: Lossy vs Lossless Compression: Which One for Your Image - 标题 ZH: 有损 vs 无损压缩：一张图该用哪种 - 主词: lossy vs lo... 6 min read · [xiaoxiao2026.hashnode.dev](https://xiaoxiao2026.hashnode.dev/lossy-vs-lossless-compression?utm_source=hashnode&utm_medium=feed) [Đinh Văn Mạnh](https://hashnode.com/@PrismWalker) · [Jul 14](https://hashnode.com/posts/ghostcommit-hiding-prompt-injection-inside-png-images-to-trick-ai-agents-into-stealing-a-repository-s-secrets/6a55bd62b276a8407ee66b58) ### [Ghostcommit: Hiding Prompt Injection Inside PNG Images to Trick AI Agents Into Stealing a Repository's Secrets](https://blog.fiscybersec.com/ghostcommit-hiding-prompt-injection-inside-png-images-to-trick-ai-agents-into-stealing-a-repository-s-secrets?utm_source=hashnode&utm_medium=feed) Overview On July 11, 2026, Ghostcommit — an attack technique published as a Proof-of-Concept by the ASSET Research Group (University of Missouri-Kansas City), led by Associate Professor Sudipta Chatto 14 min read · [blog.fiscybersec.com](https://blog.fiscybersec.com/ghostcommit-hiding-prompt-injection-inside-png-images-to-trick-ai-agents-into-stealing-a-repository-s-secrets?utm_source=hashnode&utm_medium=feed) [Yogeshwar Peela](https://hashnode.com/@exploitnotes) · [Jul 12](https://hashnode.com/posts/broncoctf-magic-ways-writeup/6a53ce1a1ffb044e7ec7a481) ### [BroncoCTF : Magic Ways Writeup](https://exploitnotes.hashnode.dev/broncoctf-magic-ways-writeup?utm_source=hashnode&utm_medium=feed) Repair a corrupted PNG by restoring magic bytes, fixing the IHDR header, recalculating CRC32, and revealing the hidden BroncoCTF flag image. 6 min read · [exploitnotes.hashnode.dev](https://exploitnotes.hashnode.dev/broncoctf-magic-ways-writeup?utm_source=hashnode&utm_medium=feed) [Baker Odeh](https://hashnode.com/@bakerodeh) · [Dec 13, 2025](https://hashnode.com/posts/structuring-svg-icons-for-scalable-frontend-projects/693deb059f7002f5aafa8165) ### [Structuring SVG Icons for Scalable Frontend Projects](https://bakerodeh.hashnode.dev/structuring-svg-icons-for-scalable-frontend-projects?utm_source=hashnode&utm_medium=feed) A practical guide to structuring SVG icons for scalable frontend projects, focusing on clean markup, customization, animation readiness, and long-term maint 2 min read · [bakerodeh.hashnode.dev](https://bakerodeh.hashnode.dev/structuring-svg-icons-for-scalable-frontend-projects?utm_source=hashnode&utm_medium=feed)