The universally accessible document reader
Publisher’s description
What is Bookworm?
Bookworm is an open-source e-book reader program for Windows from BlindPandasTeam. It is written in JavaScript.
Installation and requirements
Official installers exist for 64-bit and 32-bit as EXE (NSIS). Installation asks for administrator rights. The installer supports unattended (silent) installation.
Updates and version history
The current version is 2026.2, released on July 31, 2026. 4 versions are listed since January 3, 2024, each with links to its own installer files. That is about 1.6 releases a year.
Popularity and file types
The source code on GitHub (blindpandas/bookworm) has 191 stars. Similar programs include calibre, SumatraPDF and Sigil.
Project description on GitHub: “The Universally Accessible document Reader”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
Cons
- No native ARM64 build
- Installation needs administrator rights
In short: Bookworm is an open-source e-book reader tool for 64-bit and 32-bit PCs. Administrators can deploy it unattended.
Is Bookworm safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
659DA483ADC5161F5901A8DA43BCD90ECB6EA27316BF2FE75A3E3B0BA37D9DAF· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 4 versions ›4 versions over 3 years · about 1.6 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 2026.2Latest | July 31, 2026 | — | 32-bit EXE (NSIS)64-bit EXE (NSIS) |
| 2026.1 | April 23, 2026 | — | 32-bit EXE (NSIS)64-bit EXE (NSIS) |
| 2024.2 | January 27, 2025 | — | 64-bit EXE (NSIS)32-bit EXE (NSIS) |
| 2022.1a5 | January 3, 2024 | — | 64-bit EXE (NSIS)32-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id BlindPandasTeam.Bookworm -eBookworm-2026.2-x64-setup.exe /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- BlindPandasTeam
- Category
- E-book readers
- Licence
- GPL V2
- Price
- Free
- Source code
- github.com/blindpandas/bookworm
- Written in
- JavaScript
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, 32-bit
- Installer
- EXE (NSIS)
- Version
- 2026.2
- Released
- July 31, 2026
- Added to the catalogue
- January 3, 2024
- Versions listed
- 4
- Updates / year
- 1.6
- GitHub stars
- 191
- GitHub forks
- 56
- Website
- github.com
- winget ID
- BlindPandasTeam.Bookworm
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Bookworm free?
Yes. Bookworm is open-source software under the GPL V2 licence.
Is Bookworm safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Bookworm with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can Bookworm be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does Bookworm run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit and 32-bit version through emulation.
Where can I download an older version of Bookworm?
The versions page lists all 4 versions with links to their official installer files, back to January 3, 2024.
What are alternatives to Bookworm?
calibre, SumatraPDF, Sigil, BlueGriffon and Kindle Comic Converter. The alternatives page compares them.