Best CAD Viewers - Page 3

How Many CAD Viewers Products Does G2 Track?

Total Products under this Category: 85

Category Stats (Sep 2026)

  • Average Rating: 4.25/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: SOLIDWORKS (+0.07%) - Among all products in this category, SOLIDWORKS recorded the largest rating increase compared to last month

Last updated: September 01, 2026

How Does G2 Rank CAD Viewers Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 2,700+ Authentic Reviews
  • 85+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for CAD Viewers

G2 Grid® for CAD Viewers plotting products by satisfaction and market presence

Highlighted products: Onshape, SOLIDWORKS, DraftSight, Autodesk Fusion, Autodesk Viewer, Autodesk DWG TrueView, IrfanView, and CADMATIC eBrowser.

Underlying data: [Grid® JSON](https://www.g2.com/categories/cad-viewers/grids.json?focus%5B%5D=onshape&focus%5B%5D=solidworks&focus%5B%5D=draftsight&focus%5B%5D=autodesk-fusion&focus%5B%5D=autodesk-viewer&focus%5B%5D=autodesk-dwg-trueview&focus%5B%5D=irfanview&focus%5B%5D=cadmatic-cadmatic-ebrowser)

Guthrie CAD Viewer

CAD Viewer is an DWG Viewer that views/prints DWF, DXF and DWG drawings up to AutoCAD 2020, as well as Microstation DGN, PDF drawings, HGPL, ESRI Shapefile, and multiple raster image formats. CAD Viewer features include save to PDF, convert DWG to PDF, DXF to PDF, DGN to PDF, with the option to output drawings individually or as a single combined PDF drawings book.

Average Rating: 4.1/5.0

Total Reviews: 4

How Do G2 Users Rate Guthrie CAD Viewer?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.4/10)
  • Ease of Admin: 8.3/10 (Category avg: 8.6/10)
  • File size: 8.3/10 (Category avg: 8.2/10)
  • Dimensioning tools: 7.5/10 (Category avg: 8.2/10)

Who Is the Company Behind Guthrie CAD Viewer?

Who Uses This Product?

  • Company Size: 50% Small, 25% Medium

What Are Recent G2 Reviews of Guthrie CAD Viewer?

What Are G2 Users Discussing About Guthrie CAD Viewer?

ABViewer

ABViewer is universal software for PC for working with drawings. It enables you to view, edit, convert, measure and print DWG and other CAD files, as well as 3D models and raster images. You can work with a separate fragment of a drawing or, on the contrary, with a group of files.

Average Rating: 4.3/5.0

Total Reviews: 3

How Do G2 Users Rate ABViewer?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.4/10)
  • Ease of Admin: 6.7/10 (Category avg: 8.6/10)
  • File size: 7.2/10 (Category avg: 8.2/10)
  • Dimensioning tools: 8.3/10 (Category avg: 8.2/10)

Who Is the Company Behind ABViewer?

  • Seller: CadSoftTools
  • HQ Location: N/A
  • Twitter: @CADSoftTools
    80 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 67% Small, 33% Medium

What Are Recent G2 Reviews of ABViewer?

Acad Solutions

ACAD Solutions Limited, established in 1987, is a premier provider of CAD, CAM, CAE, P6, and BIM services in Hong Kong. With over 34 years of experience, the company specializes in reselling and consulting for leading software and hardware solutions, including AutoCAD, Primavera P6, and various BIM tools. Their extensive client base spans industries such as architecture, building services, civil and structural engineering, mechanical design, shipbuilding, government, and education. Key Features and Functionality: - Authorized Reseller: Offers a wide range of software and hardware products, including AutoCAD, AutoCAD LT, Revit, Navisworks Manage, Primavera P6, and hardware from brands like HP and Lenovo. - Comprehensive Training: Provides CAD, BIM, and P6 training courses, ensuring clients are proficient in the latest technologies. - Professional Services: Delivers BIM and AutoCAD drafting services, P6 programming, and secondment services, catering to various project needs. Primary Value and Solutions Provided: ACAD Solutions Limited addresses the need for advanced design and project management tools by offering top-tier software and hardware solutions. Their training programs and professional services empower clients to enhance productivity, streamline workflows, and achieve project success across multiple industries.

Average Rating: 3.2/5.0

Total Reviews: 3

How Do G2 Users Rate Acad Solutions?

  • File size: 5.0/10 (Category avg: 8.2/10)
  • Dimensioning tools: 8.3/10 (Category avg: 8.2/10)

Who Is the Company Behind Acad Solutions?

Who Uses This Product?

  • Company Size: 67% Small, 33% Medium

What Are Recent G2 Reviews of Acad Solutions?

3DViewStation

3DViewStation is a powerful 3D CAD viewer and universal viewer for engineers and designers, made for 3D viewing, 3D CAD analysis, 2D viewing, Office viewing, technical documentation and 3D publishing.

Average Rating: 5.0/5.0

Total Reviews: 2

How Do G2 Users Rate 3DViewStation?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.4/10)
  • Ease of Admin: 10.0/10 (Category avg: 8.6/10)
  • File size: 10.0/10 (Category avg: 8.2/10)
  • Dimensioning tools: 10.0/10 (Category avg: 8.2/10)

Who Is the Company Behind 3DViewStation?

  • Seller: Kisters
  • Year Founded: 1963
  • HQ Location: Aachen, DE
  • LinkedIn® Page: www.linkedin.com
    70 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of 3DViewStation?

Acme CAD Converter

All-in-one DWG Converter - Batch DWG converter that allows you to convert DWG to PDF, WMF, JPEG, TIFF, EPS, SVG, CGM...,Supports command line parameters, it is also a very nice Free DWG Viewer.

Average Rating: 4.3/5.0

Total Reviews: 2

How Do G2 Users Rate Acme CAD Converter?

  • File size: 6.7/10 (Category avg: 8.2/10)
  • Dimensioning tools: 8.3/10 (Category avg: 8.2/10)

Who Is the Company Behind Acme CAD Converter?

Who Uses This Product?

  • Company Size: 50% Medium, 50% Small

What Are Recent G2 Reviews of Acme CAD Converter?

What Are G2 Users Discussing About Acme CAD Converter?

CAD Assistant

OPEN CASCADE CAD Assistant is a viewer and converter for 3D CAD and mesh files, free for both personal and commercial use. CAD Assistant is based on open source libraries (Open CASCADE Technology, Qt, FreeType, FreeImage, etc.) and employs open formats for CAD and mesh data (STEP, IGES, BREP, DXF, SAT (ACIS), glTF, JT, PLY, STL, OBJ, 3DM).

Average Rating: 4.3/5.0

Total Reviews: 2

How Do G2 Users Rate CAD Assistant?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.4/10)
  • Ease of Admin: 10.0/10 (Category avg: 8.6/10)
  • File size: 6.7/10 (Category avg: 8.2/10)
  • Dimensioning tools: 4.2/10 (Category avg: 8.2/10)

Who Is the Company Behind CAD Assistant?

  • Seller: Open Cascade
  • Year Founded: 2000
  • HQ Location: Issy-les-Moulineaux, FR
  • Twitter: @open_cascade
    904 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    80 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Small, 50% Medium

What Are Recent G2 Reviews of CAD Assistant?

What Are G2 Users Discussing About CAD Assistant?

CoLab

CoLab is a web-based collaboration tool that lets your team share CAD, provide feedback with full mechanical context, and capture the critical design data that your other systems don’t—giving you a design review and collaboration process that’s standardized, simplified, and twice-as-fast. Today CoLab is trusted by Fortune 500 companies like Johnson Controls and Hyundai Mobis, who use the platform to accelerate design cycles by 51%, drive continuous improvement, and reduce product costs and changes.

Average Rating: 4.8/5.0

Total Reviews: 2

How Do G2 Users Rate CoLab?

  • File size: 10.0/10 (Category avg: 8.2/10)
  • Dimensioning tools: 10.0/10 (Category avg: 8.2/10)

Who Is the Company Behind CoLab?

Who Uses This Product?

  • Company Size: 100% Large

What Do G2 Reviewers Say About CoLab?

AI-generated summary from verified user reviews

Pros
  • Users value the free access to CoLab, making it easy to modify and review their Ad copy effortlessly.
Cons
  • Users are frustrated by the lack of direct customer support for addressing changes and issues with CoLab.

What Are Recent G2 Reviews of CoLab?

What Are G2 Users Discussing About CoLab?

DDS-CAD Viewer

It is a free tool used for viewing, analyzing, merging, and discussing BIM models worldwide. In addition to IFC, the DDS-CAD Viewer supports data formats common to the AEC industry such as DWG, gbXML and 3ds.

Average Rating: 4.0/5.0

Total Reviews: 2

How Do G2 Users Rate DDS-CAD Viewer?

  • File size: 6.7/10 (Category avg: 8.2/10)
  • Dimensioning tools: 8.3/10 (Category avg: 8.2/10)

Who Is the Company Behind DDS-CAD Viewer?

  • Seller: Nemetschek Group
  • Year Founded: 1963
  • HQ Location: München, DE
  • Twitter: @nemetschekgroup
    1,558 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    5,341 employees on LinkedIn®
  • Ownership: ETR: NEM

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of DDS-CAD Viewer?

Delcam Data Exchange

With free version of Delcam Exchange you can read all commonly used CAD format files as ACIS, IGES, Parasolid, STEP, VDA, AutoCAD (dwg, dxf), CATIA V3, V4, V5, Cimatron, Elite, IDEAS, Inventor, Pro/Engineer, Rhino, SolidEdge, SolidWorks, SpaceClaims, TopSolid, Unigraphics NX.

Average Rating: 3.4/5.0

Total Reviews: 4

How Do G2 Users Rate Delcam Data Exchange?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.4/10)
  • Ease of Admin: 8.3/10 (Category avg: 8.6/10)
  • File size: 6.7/10 (Category avg: 8.2/10)
  • Dimensioning tools: 8.3/10 (Category avg: 8.2/10)

Who Is the Company Behind Delcam Data Exchange?

  • Seller: TECHSOFT
  • Year Founded: 1993
  • HQ Location: Poprad, SK
  • LinkedIn® Page: www.linkedin.com
    4 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 75% Medium, 25% Small

What Are Recent G2 Reviews of Delcam Data Exchange?

DWGSee

DWGSee is a lightweight and efficient software solution designed for viewing, editing, measuring, and printing DWG, DXF, and DWF files. Developed by AutoDWG, DWGSee offers a user-friendly interface that caters to professionals and enthusiasts who require a reliable tool for handling CAD drawings without the need for resource-intensive applications. One of the standout features of DWGSee is its support for a wide range of file formats. Users can open and work with AutoCAD files from version R14 up to the latest 2027 release, ensuring compatibility with various project requirements. Additionally, DWGSee supports raster image formats such as BMP, JPG, PNG, GIF, and TIF, allowing for versatile usage scenarios. The software provides robust editing capabilities, enabling users to draw and modify objects like lines, polylines, circles, arcs, and text. Enhanced CAD functions, including command line support and design center integration, further streamline the drafting process. For those who need to annotate drawings, DWGSee offers tools for adding dimensions, notes, and other markup elements, facilitating clear communication and documentation. DWGSee also excels in its measurement functionalities. The smart-snap feature allows for precise measurement of lengths, angles, radii, and areas, with easy selection of entity terminals, centers, or intersection points. This precision is invaluable for professionals who require accurate data extraction from their drawings. For users who need to share or distribute their designs, DWGSee includes export options to PDF and various image formats, with support for PDF layers. This feature ensures that drawings can be easily shared with clients or colleagues who may not have access to CAD software. Additionally, the software supports batch printing, enabling efficient handling of multiple files without the need to open each one individually. Collaboration is further enhanced through DWGSee's markup capabilities. Users can add comments and annotations in separate overlay files, preserving the integrity of the original drawing. This approach allows for effective review processes and feedback integration without altering the base design. DWGSee is designed with performance in mind. Its lightweight nature ensures low system resource consumption, leading to faster program launch times and smooth operation, even on less powerful hardware. This efficiency makes it a practical choice for users who need a reliable CAD viewer and editor without the overhead of more complex software. In summary, DWGSee offers a comprehensive suite of features tailored for viewing, editing, measuring, and printing CAD files. Its support for multiple file formats, robust editing and annotation tools, precise measurement capabilities, and efficient performance make it a valuable tool for professionals seeking a streamlined solution for their CAD-related tasks.

Average Rating: 4.3/5.0

Total Reviews: 2

How Do G2 Users Rate DWGSee?

  • File size: 10.0/10 (Category avg: 8.2/10)
  • Dimensioning tools: 0.0/10 (Category avg: 8.2/10)

Who Is the Company Behind DWGSee?

Who Uses This Product?

  • Company Size: 100% Small, 50% Medium

What Are Recent G2 Reviews of DWGSee?

What Are G2 Users Discussing About DWGSee?

EnSuite-View

EnSuite-View is a software that allows users to view all major CAD formats (CATIA, NX, SOLIDWORKS, Creo, Autodesk Inventor, Solid Edge, Rhinoceros, Parasolid, ACIS, IGES, STEP, JT, VDA, SketchUp, and Adobe 3D PDF), as well as neutral formats, without requiring a license of any CAD system which allow users to analyze models and assemblies.

Average Rating: 4.0/5.0

Total Reviews: 2

Who Is the Company Behind EnSuite-View?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of EnSuite-View?

What Are G2 Users Discussing About EnSuite-View?

Wikifactory

Wikifactory unifies teams in real-time, enabling efficient communication, streamlined workflows, and accelerated time-to-market. Wikifactory is a browser-first design-to-production platform that accelerates your product development lifecycle with next-generation features, connecting you faster with your team and clients, improving your CAD design with real-time feedback, storing and managing files without worrying about storage space, speed capacity or format types, and producing your parts and assemblies at the best price with quality-assured manufacturers and expert engineering support, all-in-one platform. Explore our secure hosting, collaboration, and manufacturing solutions built for engineers and designed for everyone on the extended team. Our CAD Agnostic layer on top of CAD design tools breaks down collaboration barriers across organizational boundaries. Our platform brings design, engineering, and manufacturing teams on the same page and, as a result, reduces time-to-market. Our browser-first platform removes the risk and friction of traditional PDM solutions, which often force teams to fall back to messy email threads, manual spreadsheets, and costly factory visits. Our platform enables real-time collaboration with zero set-up costs, training, or installation required. Unlike on-demand manufacturing services, Wikifactory allows for direct communication with our network of manufacturers, as well as integrating our own suppliers for more effective, secure, transparent design-to-manufacturing workflows. Our integrated AI tools provide automated analyses of the manufacturability of CAD designs which radically reduces the risk and costs of failed iterations and production runs.

Average Rating: 4.3/5.0

Total Reviews: 2

How Do G2 Users Rate Wikifactory?

  • File size: 10.0/10 (Category avg: 8.2/10)
  • Dimensioning tools: 10.0/10 (Category avg: 8.2/10)

Who Is the Company Behind Wikifactory?

  • Seller: Wikifactory ltd
  • Year Founded: 2015
  • HQ Location: Copenhagen, DK
  • Twitter: @wikifactory
    2,094 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    8 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Wikifactory?

3D Analyzer

3D_Analyzer is the perfect tool for project mangement tasks. It is not only a Viewer for all major CAD formats, it also provides a wide range of easy to use and powerful 3D inspection computations such as Comparision of geometry, PMI and assembly-structure, Collision and Clearance Detection as well as Wallthickness, Draft and Undercut Analysis.

Average Rating: 4.0/5.0

Total Reviews: 1

How Do G2 Users Rate 3D Analyzer?

  • File size: 6.7/10 (Category avg: 8.2/10)
  • Dimensioning tools: 10.0/10 (Category avg: 8.2/10)

Who Is the Company Behind 3D Analyzer?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of 3D Analyzer?

Amethyst CADwizz Ultra

It supersedes the CADwizz MAX and CADwizz LE versions, and has been completely rewritten. In addition to greater stability and improved 3D features, the program offers increased speed and performance through OpenGL and DirectX rendering.

Average Rating: 4.0/5.0

Total Reviews: 1

How Do G2 Users Rate Amethyst CADwizz Ultra?

  • File size: 10.0/10 (Category avg: 8.2/10)
  • Dimensioning tools: 8.3/10 (Category avg: 8.2/10)

Who Is the Company Behind Amethyst CADwizz Ultra?

  • Seller: CadSoftTools
  • HQ Location: N/A
  • Twitter: @CADSoftTools
    80 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Amethyst CADwizz Ultra?

Apowersoft CAD

Apowersoft Background Eraser is a piece of powerful software that can remove background from any image quickly and easily. It uses the advanced AI tech which has been trained with millions of real-world images, so it can pick the foreground from the image in just seconds. After you upload your image, the precise cutout will be produced. Then you can further enhance it: zoom in and out to edit the edge with the Keep and Erase tool, move, crop, rotate, and add transparency/solid color/new splendid backgrounds - all with a few clicks.

Average Rating: 4.5/5.0

Total Reviews: 1

Who Is the Company Behind Apowersoft CAD?

  • Seller: Apowersoft
  • HQ Location: N/A
  • Twitter: @Apowersoft
    750 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Apowersoft CAD?

Daniel Rivera
DR
Researched and written by Daniel Rivera
Updated June 24, 2026