Hacker News with Generative AI: File Formats

Acorn's File Format Documented (shapeof.com)
With the release of Acorn 8 last December, I published "ACTN002 Acorn's Native File Format" as part of the documentation updates, which is exactly what it sounds like.

File Formats, Documentation, Software, New Releases

5 points by zdw 14 days ago | 0 comments

We asked camera companies why their RAW formats are all different and confusing (theverge.com)
When you set up a new camera, or even go to take a picture on some smartphones, you’re presented with a key choice: JPG or RAW?

Photography, Technology, Digital Cameras, File Formats

361 points by Tomte 22 days ago | 254 comments

Compound File Binary Format (wikipedia.org)

File Formats, Data Structures, Software

23 points by luu 40 days ago | 2 comments

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 73 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 83 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 119 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 138 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 139 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 167 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 191 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 195 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 221 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 258 days ago | 24 comments

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

Data Visualization, Entropy, File Formats

6 points by Bluestein 275 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 342 days ago | 10 comments

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

Security, Programming Languages, Software, File Formats

279 points by nequo 345 days ago | 68 comments

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

File Formats, Meta, Programming, Software

52 points by zzulus 365 days ago | 21 comments