Free Online eDrawings Viewer (No Signup)
Also opens DWG, DXF, STEP, IGES, IFC, SKP, STL, OBJ, GLB, FBX, 3DM and other 3D/CAD files. Drop any file on the viewer.
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What Is an eDrawings File?
eDrawings is the publishing format of SolidWorks. A designer saves a part as .eprt, an assembly as .easm or a drawing as .edrw, and sends that file to a customer, a supplier or a shop, who can look at the design without a SolidWorks licence. The file holds what the design looks like: the display mesh of every body, its colours, the assembly layout and the views the author saved.
An eDrawings file is a ZIP package. Its eModel entry is a HOOPS Stream File (HSF), the tessellated model SolidWorks writes for display. The viewer reads that stream in your browser with its own decoder, the same one behind its 3D DWF support, and draws every body where the file places it, in metres, SolidWorks’ internal unit. It has been tested on HSF 19.10 and 20.90 streams.
The model exports like any 3D model, for example to STEP, STL, OBJ or GLB. For the original SolidWorks documents (.sldprt, .sldasm, .slddrw), use the SolidWorks viewer.
Who Uses eDrawings Files?
SolidWorks designers publish .eprt and .easm files for the people who need to see a design without owning SolidWorks: customers approving a concept, suppliers quoting a part, fabricators and machine shops checking what to build, and reviewers signing off a revision. The eDrawings Viewer app runs on Windows, macOS and mobile; this page opens the same files in any browser, on any operating system, with no sign-in.
Common Use Cases
- Look at an eDrawings part or assembly someone sent you, on any computer or phone
- Check an assembly with every component in place before a quote or an order
- Measure a part at its real size
- Convert an eDrawings model to STEP, STL, OBJ or GLB for another CAD system, a slicer or a render
- Save the view as a PDF, PNG or JPG for a report or an email
- Send a share link that opens the model in any browser
Features
Opens .eprt, .easm and .edrw
Parts, assemblies and drawings published from SolidWorks or eDrawings, loose or inside a .zip.
Assemblies Come Assembled
Every body is placed as saved, so an assembly opens with all its components in position.
Saved Colours
Each body keeps the colour it was published with; textured faces show their base colour.
Real Size in Metres
The model opens in metres, SolidWorks’ internal unit, so measurements match the design.
Upright From the Saved View
The model is turned upright from the view the author saved in the file, Z-up models included.
Tested on HSF 19.10 and 20.90
The decoder is tested on HOOPS streams of versions 19.10 and 20.90, as written into eDrawings files by SolidWorks and eDrawings.
Renamed Files Still Open
Files are recognised by content; a bare HOOPS stream (.hsf) opens with a status-line note saying what it is.
Clear Notices
An .edrw that carries only 2D sheets gets a notice naming the export to make from eDrawings or SolidWorks.
Measure on the Model
Click two points to measure a distance at the model’s real size.
Convert to STEP, STL, OBJ or GLB
Save the model as STEP, STL, OBJ, GLB, 3MF, PLY and more, or the view as PDF, PNG or JPG.
Nothing Is Uploaded
The file is read and drawn entirely in your browser. No account, no upload, no copy of your design on a server.
Share and Embed
Send a link that opens the model in any browser, or drop the viewer into your own page with one iframe.
Compatibility & Format Notes
Parts and assemblies (.eprt, .easm): the HOOPS stream in the package’s eModel entry is decoded and every body is placed as saved, so an assembly opens assembled. Each body keeps the colour saved with it, sizes are real sizes in metres, and the model is turned upright from the view the author saved in the file, which matters for the many SolidWorks models drawn Z-up. Tested on HSF 19.10 and 20.90 streams.
Drawings (.edrw): the 3D model a drawing carries opens the same way. The 2D sheets of a drawing are not drawn; an .edrw that carries only 2D sheets shows a notice advising a PDF, DXF or DWG saved from eDrawings, or a STEP export from SolidWorks.
Recognised by content: a renamed eDrawings file still opens, an eDrawings file inside a .zip opens, and a bare HOOPS stream (a .hsf, or the eModel entry saved on its own under another name such as eModel.STEP) opens too, with a status-line note saying what the file really is.
Not drawn: texture images (textured faces show their base colour), RealView appearances and lighting, markups, measurements saved in the file, configurations other than the saved one, and the edge linework and annotation text stored beside the bodies. Files up to 50 MB open on a phone, 100 MB on a tablet and 200 MB on a desktop, and a larger file can be opened anyway from the size notice.
Embed on Your Website
Add this viewer to your own site with a single line of HTML. Click Embed in the toolbar to generate an embed code, or use the snippet below with your own file URL.
Your Files Stay on Your Computer
Your eDrawings files are parsed entirely in your browser. Nothing is uploaded, stored, or shared unless you explicitly click the Share button. Shared files are hosted for 90 days then deleted.
Frequently Asked Questions
▶Do I need eDrawings Viewer or SolidWorks installed?
No. The viewer reads the 3D stream inside the eDrawings file with its own decoder, in your browser. Nothing from Dassault Systèmes needs to be installed, and no account is needed.
▶Does an assembly open with all its parts?
Yes. An .easm stores the display model of every component in its assembled position, so the assembly opens put together, each body in the colour saved with it.
▶Why does my .edrw show a notice and no model?
An eDrawings drawing often carries only its 2D sheets, and the viewer draws the 3D model. When an .edrw has no 3D model inside, the viewer says so. Save the drawing as PDF, DXF or DWG from eDrawings, or export STEP from SolidWorks, and open that file here.
▶How accurate is the geometry?
It is the display mesh SolidWorks published into the file, at the model’s real size in metres, so measurements match the design to the precision of that tessellation. A STEP export from the viewer writes the mesh as a faceted solid; for the exact curved surfaces in another CAD system, export STEP from SolidWorks.
▶What is a .hsf file, and why did a file named .STEP open as one?
A .hsf is a HOOPS Stream File, the 3D stream every eDrawings file carries in its eModel entry. When that entry is pulled out of the package and saved on its own, sometimes under a misleading name such as eModel.STEP, the viewer recognises the stream by its content, opens it, and notes in the status line what the file really is.
▶Is this eDrawings viewer really free?
Yes, completely free. No signup, no watermarks, no file size limits on the viewer (the optional share-link feature has a 100 MB upload cap). Built by Innerscene as a tool for architects, engineers, and designers.
▶Are my files uploaded to a server?
No. All parsing, rendering, and conversion runs in your browser — nothing is uploaded, stored, or transmitted by default. The Share button is the only feature that uploads a file, and only when you explicitly click it.
▶Can I convert to another format?
Yes. Click Export in the toolbar. The menu offers STEP (a faceted solid), STL, OBJ, GLB, 3MF, PLY, USDZ, WRL, 3DM, DXF, DWG (converted on our server), PDF, SVG, PNG and JPG.
▶Can I embed this viewer on my own site?
Yes. Click Embed in the toolbar to generate a one-line <iframe> snippet you can paste into any HTML page. You can choose whether the embed shows the viewer’s toolbar.
SolidWorks and eDrawings are trademarks of Dassault Systèmes SolidWorks Corporation; Innerscene is not affiliated with Dassault Systèmes.