Hacker News with Generative AI: File Formats

Zeroperl: Sandboxing Perl with WebAssembly (andrews.substack.com)
I’m building a new startup and file metadata plays an important role. There are thousands of file formats, each format may have dozens of versions, and each stores metadata differently.
WebAssembly, Perl, Security, Startups, File Formats
68 points by ccakes 9 days ago | 34 comments
PE basics: A windows executable walkthrough – File formats hexplorations 16 [video] (youtube.com)
Windows, Executables, File Formats, Programming, Tutorials
21 points by matt_d 19 days ago | 0 comments
How to Create HTML/ZIP/PNG Polyglot Files (gildas-lormeau.github.io)
This article is a summary of the presentation available here. The resulting demo file can be downloaded at the end of the article. The repository can be found at https://github.com/gildas-lormeau/Polyglot-HTML-ZIP-PNG.
Security, Programming, Web Development, File Formats
106 points by gildas 55 days ago | 37 comments
JSON5 – JSON for Humans (json5.org)
JSON5 is an extension to the popular JSON file format that aims to be easier to write and maintain by hand (e.g. for config files). It is not intended to be used for machine-to-machine communication. (Keep using JSON or other file formats for that. 🙂)
JSON, Configuration Files, Programming, Software, File Formats
364 points by rickcarlino 74 days ago | 344 comments
Reverse engineering the Sega Channel game image file format (infochunk.com)
In November 2024, the user RisingFromRuins on the Sonic Retro forum announced that he had found a Sega Channel game image CD for September 1996 while he was going through a lot of PC equipment he had bought years earlier.
Reverse engineering, Game Development, Sega, Gaming History, File Formats
245 points by ndiddy 75 days ago | 47 comments
Hackers use ZIP file concatenation to evade detection (bleepingcomputer.com)
Hackers are targeting Windows machines using the ZIP file concatenation technique to deliver malicious payloads in compressed archives without security solutions detecting them.
Cybersecurity, Malware, Windows, Security, File Formats
207 points by sandwichsphinx 102 days ago | 105 comments
Maximum best compression for binary data: xz (LZMA) vs. ZSTD vs. 7z vs. bzip2 (dwaves.de)
once upon a time, compressing massive amounts of binary was required.
Compression, File Formats, Software, Performance
8 points by delduca 126 days ago | 4 comments
Ask HN: Why is PDF still king? (ycombinator.com)
As the title suggests, why is the PDF document the go-to file when it comes to sharing documents? Why hasn't there been a widespread adoption for a document standard that's more interactive (videos, code, visualizations etc...)?
Technology, File Formats, Document Sharing, Web Standards
14 points by ata_aman 131 days ago | 13 comments
Rga: Ripgrep, but also search in PDFs, E-Books, Office documents, zip, etc. (github.com/phiresky)
rga is a line-oriented search tool that allows you to look for a regex in a multitude of file types. rga wraps the awesome ripgrep and enables it to search in pdf, docx, sqlite, jpg, movie subtitles (mkv, mp4), etc.
Search Tools, Software, Text Processing, File Formats, Open Source
516 points by bukacdan 156 days ago | 57 comments
Interval parsing grammars for file format parsing (2023) (dl.acm.org)
File Formats, Programming Languages, Parsing, Computer Science
108 points by fanf2 194 days ago | 24 comments
Visualizing Entropy in Binary Files (2012) (corte.si)
Data Visualization, Entropy, File Formats
6 points by Bluestein 210 days ago | 3 comments
Windows 11 now supports 7-zip and TAR files (xda-developers.com)
Windows, Operating Systems, Software Updates, Compression, File Formats
28 points by miles 278 days ago | 10 comments
Wuffs: Wrangling Untrusted File Formats Safely (github.com/google)
Security, Programming Languages, Software, File Formats
279 points by nequo 280 days ago | 68 comments
The Nimble File Format by Meta (github.com/facebookexternal)
File Formats, Meta, Programming, Software
52 points by zzulus 301 days ago | 21 comments