Side by side

3D-Tool vs Autodesk Viewer

Both stand on cad viewer software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

3D-Tool

Free plan Windows

3D-Tool offers a limited free viewer, a 14-day full-feature trial and one-time paid licenses. Check the edition's supported formats and Windows requirements before choosing a license.

Visit 3D-Tool

Autodesk Viewer provides a free way to inspect and share supported design files in a browser, with measurement and markup tools. Keep in mind that shared views do not expose source files, and the default retention period is 30 days.

Visit Autodesk Viewer

The facts

	3D-Tool	Autodesk Viewer
Free plan	Yes	Yes
Open source	No	No
Runs on	Windows	API, Linux, Mac, Web, Windows
Lowest paid plan	See the plans	Free or on request
Plans published	8	2
Maker	Not published	Not published
Website	3d-tool.com	viewer.autodesk.com
On cad viewer software	#3 of 31	#1 of 31

3D-Tool: what it does well

Free Viewer has no time limit or registration requirement.
Measures distances, angles, wall thicknesses and clearances.
Analysis results appear as model heatmaps.
Paid licenses are one-time purchases.
14-day trial unlocks all functions and import formats.

What to know first

Free Viewer opens only DDD, STL and 3MF files.
Free Viewer cannot export CAD files.
Premium interfaces and converter require 64-bit Windows 10 or later.
Paid license prices are plus VAT.

Autodesk Viewer: what it does well

Free plan; no trial required.
Supports many 2D and 3D design formats.
Includes measurement, section, and markup tools.
Share views and collaborate with annotations.
Available in browsers on Windows, Mac, and Chrome OS.

What to know first

Requires an Autodesk Account.
Shared-link access is available to anyone with the link.
Views expire after 30 days by default.
Data storage is limited to the United States.

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