Software · Office & notes

ExcelsisView

Name: ExcelsisView
Author: Excelsis

Local-first Windows viewer for DXF, DWG, PDF, and supported 3D PDF documents.

Completely free
Windows
Open source
No account

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by Winget (Windows Package Manager)
License: AGPL-3.0+ — Open source (copyleft)confirmed by Winget (Windows Package Manager)
Open source: Yes
Commercial use: Yesconfirmed by Winget (Windows Package Manager)
Account required: Noconfirmed by Winget (Windows Package Manager)
Credit card required: Noconfirmed by Winget (Windows Package Manager)
Watermark: Not applicable
Ads: not documented
Platforms: WindowsEstablished by Windows: Winget
Publisher: Excelsis
Latest version: 1.1.48
Source code: github.com/simonsystem609/excelsisviewer

Overview

ExcelsisView is a PDF reader, available on Windows.

Features described on its official website, in its Winget manifest and in its GitHub repository: offline use and PDF merging.

File formats mentioned: PDF, DXF and DWG.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“Local-first Windows viewer for DXF, DWG, PDF, and supported 3D PDF documents.” — Winget, 10 November 2026
“Explorer Merge PDFs and Batch print collect multi-file selections reliably.” — official website, 10 November 2026
“ExcelsisView | Local CAD and PDF Viewer” — official website, 10 November 2026

At a glance

ExcelsisView is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (AGPL-3.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
No account needed
Commercial use allowed

Sources and checks

Facts collected from Winget (Windows Package Manager) (credit card, account, source code, publisher, licence, free status, platforms, commercial use, version) — 8 November 2026
Last technical check: 8 November 2026
Description from github.com — Manifeste Winget (MIT)

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