Chatzilla standalone IRC client.
Publisher’s description
What is ChatZilla?
ChatZilla by ChatZilla is open-source Windows software.
Installation and requirements
The publisher provides MSI installers for 32-bit Windows. A silent install is possible with the installer’s documented switches. An MSI package is available for deployment with Group Policy, Intune or Configuration Manager.
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- MSI package for managed deployment
- Documented silent install
Cons
- No native ARM64 build
- 32-bit only
- No update for more than a year
- The official download link did not answer at the last check
In short: ChatZilla is an open-source Windows tool for 32-bit PCs. Updates have slowed down. Administrators can deploy it unattended.
Is ChatZilla safe to download?
- The file is served by chatzilla.rdmsoft.com; check that it is the publisher’s official mirror
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
9526C6F2AC23EA00DD675E48DFF609D0E0705FF9BAB5665BC79785D62B2EAF05· Open the VirusTotal report for this hash - The link did not answer when we last checked it (October 22, 2026)
- 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 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.9.92Latest | April 9, 2022 | — | 32-bit MSI |
Install from the command line
Silent install ›winget install --id ChatZilla.ChatZilla -emsiexec /i chatzilla-0.9.92.en-US.win32.installer.msi /qn /norestartmsiexec /x {507FCA59-09EB-426C-87F9-E948C7EFE525} /qn /norestartRelated guide: How to use winget: install and update apps
Information
Ratings and reviews
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Frequently asked questions
Is ChatZilla free?
Yes. ChatZilla is open-source software under the MPL-2.0 licence.
Is ChatZilla safe to download?
The download comes from chatzilla.rdmsoft.com; 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 ChatZilla 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 ChatZilla be installed silently?
Yes. The silent install page lists the exact command for each installer, including msiexec for the MSI package.
Does ChatZilla run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 32-bit version through emulation.