Hacker News with Generative AI: File Formats

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 21 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 40 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 41 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 69 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 93 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 97 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 123 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 161 days ago | 24 comments

Visualizing Entropy in Binary Files (2012) (corte.si)

Data Visualization, Entropy, File Formats

6 points by Bluestein 177 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 244 days ago | 10 comments

Wuffs: Wrangling Untrusted File Formats Safely (github.com/google)

Security, Programming Languages, Software, File Formats

279 points by nequo 247 days ago | 68 comments

The Nimble File Format by Meta (github.com/facebookexternal)

File Formats, Meta, Programming, Software

52 points by zzulus 267 days ago | 21 comments