Are you in need of a reliable and easy-to-use IFC file viewer but don't want to invest in expensive software? Look no further! We've compiled a list of the best free online IFC file viewers for 2021 to help you access and view IFC files with ease.

1. BIMvision

BIMvision is a powerful and user-friendly IFC file viewer that supports the latest IFC versions. It offers a range of features including measurement tools, clash detection, and the ability to customize the view according to your needs. The best part? It's completely free and web-based, so you can access your IFC files from any device with an internet connection.

2. XBIM Xplorer

XBIM Xplorer is another great option for viewing IFC files online for free. It is a lightweight and easy-to-use viewer that enables you to navigate through complex BIM models with ease. With support for various IFC versions and a range of functionalities, XBIM Xplorer is a go-to choice for many professionals working with IFC files.

3. IfcOpenShell

IfcOpenShell is an open-source IFC file viewer that provides a robust set of tools for visualizing and analyzing IFC files. It is available as a web-based viewer, allowing you to access your IFC files from anywhere without the need for installation. IfcOpenShell is constantly updated and supported by a community of developers, ensuring that you have access to the latest features and improvements.

4. BIM Surfer

BIM Surfer is a WebGL-based viewer for IFC files that offers high-performance rendering and a smooth user experience. It is free to use and can be easily integrated into web applications, making it an ideal choice for those looking to embed IFC file viewing capabilities into their websites or platforms.

5. IFC.js

IFC.js is a JavaScript library for viewing IFC files in the browser, making it a versatile and easily accessible option for anyone working with IFC files. It offers support for various IFC versions and has a range of features to facilitate navigation and exploration of BIM models.

These free online IFC file viewers offer a range of features and functionalities to make accessing and viewing IFC files a breeze. Whether you're a BIM professional, an architect, or an engineer, having a reliable IFC file viewer at your disposal can streamline your workflow and help you collaborate more effectively with others in the industry.

So, if you're in need of an IFC file viewer but don't want to break the bank, consider trying out one of these top picks for free online IFC file viewers in 2021. Happy viewing!