{"slug": "kaitai-struct", "name": "Kaitai Struct", "category": "other", "category_name": "Other software", "description": "", "recommenders": 3, "commenters": 3, "warners": 0, "score": 2.704, "rising": 0.35, "first": "2025-12-13", "latest": "2026-09-03", "why": "Well now you've gone and linked to a fascinating tool which I'm going to have to dive into and learn", "why_is_quote": true, "has_verdict": false, "sentiment": {"recommend": 3, "neutral": 0, "compare": 0, "warn": 0}, "spark": [0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0], "listed": true, "loved": [], "caveat": "", "short_quote": "Well now you've gone and linked to a fascinating tool which I'm going to have to dive into and learn", "kind": "", "icon": true, "domain": "kaitai.io", "github_repo": null, "official_url": "https://kaitai.io", "pricing": "", "aliases": ["Kaitai Struct"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 792722769, "item_id": 49545173, "url": "https://news.ycombinator.com/item?id=49545173", "by": "Charon77", "date": "2026-09-03", "version": null, "stance": "recommend", "quote": "I use both ImHex and Kaitai struct", "excerpt": "I use both ImHex and Kaitai struct, give it a try maybe you'll like it", "context": "", "use_case": "Binary format parsing", "switched_from": "", "story": "Reverse Engineering Unknown File Formats with ImHex"}, {"id": 779551312, "item_id": 48721957, "url": "https://news.ycombinator.com/item?id=48721957", "by": "a_e_k", "date": "2026-06-29", "version": null, "stance": "recommend", "quote": "I became a fan of Kaitai Struct", "excerpt": "I became a fan of Kaitai Struct [0] when doing some amateur sleuthing last year. It has a web-based IDE [1] for writing and testing structure definitions against hex dumps, and can generate binary parsers in Python (and many other languages) right from the Web IDE. [0] https://doc.kaitai.io/user_guide.html [1] https://ide.kaitai.io/devel/", "context": "does amateur sleuthing on binary files", "use_case": "generate binary parsers", "switched_from": "", "story": "Dissecting Apple's Sparse Image Format (ASIF)"}, {"id": 740050032, "item_id": 46253127, "url": "https://news.ycombinator.com/item?id=46253127", "by": "liampulles", "date": "2025-12-13", "version": null, "stance": "recommend", "quote": "Well now you've gone and linked to a fascinating tool which I'm going to have to dive into and learn", "excerpt": "Well now you've gone and linked to a fascinating tool which I'm going to have to dive into and learn: https://kaitai.io/ Thanks.", "context": "", "use_case": "", "switched_from": "", "story": "Go is portable, until it isn't"}]}], "caveats": [], "who": [{"by": "a_e_k", "context": "does amateur sleuthing on binary files", "url": "https://news.ycombinator.com/item?id=48721957", "date": "2026-06-29"}], "tags": [], "use_cases": ["binary format parsing", "generate binary parsers"], "compared": [], "makers": [], "threads": [{"url": "https://news.ycombinator.com/item?id=49508608", "title": "Reverse Engineering Unknown File Formats with ImHex", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=48708644", "title": "Dissecting Apple's Sparse Image Format (ASIF)", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=46180911", "title": "Go is portable, until it isn't", "mentions": 1}], "sentiment_by_month": {"2025-11": {}, "2025-12": {"recommend": 1}, "2026-01": {}, "2026-02": {}, "2026-03": {}, "2026-04": {}, "2026-05": {}, "2026-06": {"recommend": 1}, "2026-07": {}, "2026-08": {}, "2026-09": {"recommend": 1}, "2026-10": {}}, "versions": [], "version_unnamed": 0, "family_ref": null, "runs_on": null, "lines": [], "quotes": [{"id": 792722769, "item_id": 49545173, "url": "https://news.ycombinator.com/item?id=49545173", "by": "Charon77", "date": "2026-09-03", "version": null, "stance": "recommend", "quote": "I use both ImHex and Kaitai struct", "excerpt": "I use both ImHex and Kaitai struct, give it a try maybe you'll like it", "context": "", "use_case": "Binary format parsing", "switched_from": "", "story": "Reverse Engineering Unknown File Formats with ImHex"}, {"id": 779551312, "item_id": 48721957, "url": "https://news.ycombinator.com/item?id=48721957", "by": "a_e_k", "date": "2026-06-29", "version": null, "stance": "recommend", "quote": "I became a fan of Kaitai Struct", "excerpt": "I became a fan of Kaitai Struct [0] when doing some amateur sleuthing last year. It has a web-based IDE [1] for writing and testing structure definitions against hex dumps, and can generate binary parsers in Python (and many other languages) right from the Web IDE. [0] https://doc.kaitai.io/user_guide.html [1] https://ide.kaitai.io/devel/", "context": "does amateur sleuthing on binary files", "use_case": "generate binary parsers", "switched_from": "", "story": "Dissecting Apple's Sparse Image Format (ASIF)"}, {"id": 740050032, "item_id": 46253127, "url": "https://news.ycombinator.com/item?id=46253127", "by": "liampulles", "date": "2025-12-13", "version": null, "stance": "recommend", "quote": "Well now you've gone and linked to a fascinating tool which I'm going to have to dive into and learn", "excerpt": "Well now you've gone and linked to a fascinating tool which I'm going to have to dive into and learn: https://kaitai.io/ Thanks.", "context": "", "use_case": "", "switched_from": "", "story": "Go is portable, until it isn't"}]}