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The article introduces 'memoryfields', a portable file format for AI agent memory that uses Markdown files and optional SQLite indexes, advocating for a simpler, data-driven approach over existing complex systems.
The article demonstrates how to use ImHex, a free and open-source hex editor, to reverse engineer the save file format of the game FEZ, providing a practical guide from binary analysis to pattern definition.
Decayfmt is a Rust-based file format that intentionally corrupts data each time it is opened, simulating digital decay for artistic or conceptual purposes.
This article explains the internal structure of PowerPoint files, detailing how slides, text, shapes, and properties are stored using file systems and hierarchical data formats.
A reverse-engineer explains how to read Codemasters' BIGF archive format from TOCA Race Driver using pure Ruby, focusing on the String#unpack method for binary decoding.
A technical blog post dissects Apple's new Sparse Image Format (ASIF) for virtual disks in macOS Tahoe, covering the process of reverse-engineering the file format from hex dumps.
The article describes the Hershey vector font format, a textual representation of glyphs using a coordinate encoding system where letters map to signed values, and includes examples and links to related resources.
This article explores the GGUF file format used by llama.cpp for language models, highlighting its single-file convenience and the role of embedded chat templates and special tokens. It also compares different Jinja implementations and discusses what is still missing from the format.