IFClite is an open-source toolkit designed for working with IFC files directly in the browser. It enables users to open, view, parse, query, edit, and export IFC files, addressing a broad range of needs related to the IFC file format. The toolkit supports multiple IFC schemas, including IFC2X3, IFC4, IFC4X3, and IFC5 (IFCX), and is built with a Rust and WebAssembly (WASM) core. The tool offers a variety of features such as WebGPU rendering, a columnar in-memory store, and integration with renderers like Three.js and Babylon.js. IFClite can be run from a CDN and is available as a bundle of approximately 260 KB gzipped, which includes the parser, geometry, and renderer. Its architecture is designed for performance, with benchmarks indicating high tokenizer throughput and fast parsing and geometry handling for large models. Users can interact with IFC files through drag-and-drop functionality, and the platform supports viewing hierarchies, properties, and 2D drawings within the browser interface. Developers can scaffold projects using IFClite via a command-line utility, with a TypeScript-first, asynchronous API available across six packages. The toolkit covers the full pipeline for IFC files: reading STEP files, viewing, querying, editing, federating, validating, automating with agents, and writing files back out. This breadth of functionality distinguishes IFClite from other browser-based IFC libraries that may focus solely on parsing or rendering. IFClite is distributed under the MPL-2.0 license, making it open-source and accessible for integration into web-based workflows or applications. Its design and features are suited for developers and professionals who need to handle IFC files efficiently in browser environments.
IFClite is a Frameworks & SDKs product. It enables developers to efficiently parse, view, and manipulate IFC files in the browser or via API/CLI without heavy dependencies. It is built as an open-source project for developers working with building information modeling (BIM) and IFC files. IFClite is open source under the MPL-2.0 license. IFClite is available on the web and the command line.
It is developed by LTplus-AG, and the product first shipped in 2026. Development happens publicly on GitHub with 263 stars and 816 commits in the last 90 days. PulseGate's similarity index finds few close equivalents — IFClite occupies a relatively distinct niche. Key capabilities include IFC parsing, webGPU rendering, and 2D drawings. It exposes integrations via a public API.
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LTplus-AG/ifc-lite discovered by the PulseGate indexer
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