An advanced file optimizer featuring a lossless (no quality loss) file size reduction
Publisher’s description
What is FileOptimizer?
FileOptimizer is an open-source system utilitie program for Windows from Javier Gutiérrez Chamorro (Guti).
Installation and requirements
Official installers exist for 64-bit as EXE (NSIS). The main installer is 118.5 MB. Installation asks for administrator rights. The installer supports unattended (silent) installation.
Updates and version history
The current version is 17.1.0.0, released on September 5, 2025. 17 versions are listed since June 26, 2021, each with links to its own installer files. That is about 4.1 releases a year. The last update is more than a year old.
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
- No update for more than a year
In short: FileOptimizer is an open-source system utilitie tool for 64-bit PCs. It is actively maintained. Administrators can deploy it unattended.
Is FileOptimizer safe to download?
- The file is served by sourceforge.net, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
030D1DBA332B9FC2ADBB924AE84E9168948D75370FF2317178A439D7DDA9931A· Open the VirusTotal report for this hash - The link answered 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 17 versions ›17 versions over 4 years · about 4.1 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 17.1.0.0Latest | September 5, 2025 | 118.5 MB | 64-bit EXE (NSIS) |
| 17.0.0.0 | July 1, 2025 | — | 64-bit EXE (NSIS) |
| 16.9.0.0 | November 14, 2024 | — | 64-bit EXE (NSIS) |
| 16.7.0.0 | July 12, 2024 | — | 64-bit EXE (NSIS) |
| 16.6.0.0 | April 2, 2024 | — | 64-bit EXE (NSIS) |
| 16.5.0.0 | January 10, 2024 | — | 64-bit EXE (NSIS) |
| 16.3.0.0 | September 14, 2023 | — | 64-bit EXE (NSIS) |
| 16.0.0.0 | September 9, 2022 | — | 64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id Nikkho.FileOptimizer -escoop install extras/fileoptimizerdownload /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- Javier Gutiérrez Chamorro (Guti)
- Category
- System utilities
- Licence
- AGPL-3.0
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (NSIS)
- Version
- 17.1.0.0
- Released
- September 5, 2025
- Added to the catalogue
- June 26, 2021
- Versions listed
- 17
- Updates / year
- 4.1
- Website
- nikkhokkho.sourceforge.io
- winget ID
- Nikkho.FileOptimizer
- Scoop package
- extras/fileoptimizer
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is FileOptimizer free?
Yes. FileOptimizer is open-source software under the AGPL-3.0 licence.
Is FileOptimizer safe to download?
The download comes from sourceforge.net, 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 FileOptimizer 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 FileOptimizer be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does FileOptimizer run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of FileOptimizer?
The versions page lists all 17 versions with links to their official installer files, back to June 26, 2021.
What are alternatives to FileOptimizer?
AutoHotkey, Bazel, osquery, LocalSend and Windows File Manager. The alternatives page compares them.
