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The RubyEncoder protects Ruby scripts by compiling Ruby source code into a bytecode format and this is followed by encryption.

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Simple, fast and reliable RubyEncoder encryption software.

RubyEncoder News

Welcome to the RubyEncoder news. We'll keep you up to date with our latest developments and we have some exciting plans in the pipeline

Friday 28th July 2023
RubyEncoder 3 refinements

We have updated RubyEncoder up to version 3.0.1 and the loaders for Linux, MacOS, MinGW. This is version number change in the loaders but updating of the encoder is recommended. 

Please note, this version does not use loader version check in the encoded files header. The version check was always on since version 2.7 and now it is optional. 

Normally, there is only one version of the loader installed along with encoded files, so it does not need checking for every loaded file. 

However, there are rare situations when it's useful to keep loader version checking. For example, if a product includes various encoded parts or plug-ins created by different developers. As developers may use different versions of RubyEncoder, they may include older and newer versions of loaders with their plug-ins. In this case the very recent loader must be chosen and this is what loader version check was/is doing.

A newer version of the loader can run files encoded by an older version of the encoder but not vice versa.

In case you think it is necessary for your project, add --loader-version-check option when encoding.


Posted on: July 28th 2023 on 04:15pm
Labels: version check

Saturday 24th June 2023
RubyEncoder 3 for Windows updated

Today we updated RubyEncoder 3 for Windows. This includes fixing 'unexpected ucrtbase.dll' on Windows 11. 

Please note, this version supports only Ruby 2.6 and newer. Older versions of Ruby are considered deprecated. If you need to encode for Ruby < 2.6 and can't use Linux or MacOSX version for this, please contact us.

You may download and install the new version from the user profile. Install over the current version to keep the license.


Posted on: June 24th 2023 on 12:04am
Labels: ucrtbase.dll, windows 11

Monday 17th April 2023
RubyEncoder 3

This major new release includes support for Ruby 3 including versions 3.0, 3.1 and 3.2. 

Please note, the files encoded with this version will require updated loaders. RubyEncoder 3 is available for Linux x64, MacOS and Windows as well as new loaders for these platforms. We are working on the new release for FreeBSD and also updating loaders for all the other supported platforms. 

Windows loaders are available for MinGW versions of Ruby (rubyinstaller.org). Note, Ruby 3.1 and 3.2 for Windows x64 are build with UCRT as well as RubyEncoder loaders for this platform. This is important to note, if you use a custom built Ruby for MinGW. While the loaders may start, using them with MSVCRT Ruby 3.1/3.2 on Windows x64 may produce unexpected results, errors or memory allocation issues. Use standard UCRT version on Ruby or build a custom Ruby against UCRT.

Windows MinGW x86 Ruby versions are not affected as well as x64 Ruby 3.0 - they are still built with MSVCRT.

We tested encoding for Ruby 3.x as much as possible using standard tests and encoding of some real working projects. Tested new Ruby 3.x features. But if you find any problems with Ruby 3.x encoding, please don't hesitate to contact us and we will work on fixing the issues asap. In case of issues with encoding or loaders, please provide a sample code that we can use to reproduce the issue. Thank you.

Posted on: April 17th 2023 on 12:07am

Wednesday 06th April 2022
RubyEncoder for FreeBSD updated
We are happy to announce an update of RubyEncoder for FreeBSD. Despite of the doubt we had about FreeBSD support, we decided to continue updating and supporting RubyEncoder for FreeBSD. As usual this is a CLI-only version.
This release was built on FreeBSD 12.2 with minimal shared lib dependencies. Ruby support starts from Ruby 2.3 and goes up to Ruby 2.7. We will continue removing support for very old versions of Ruby for other platforms too.
As usual you may download all the recent loaders from our loader page.

Posted on: April 06th 2022 on 10:56pm
Labels: freebsd

Monday 28th March 2022
Loaders for macOS arm64 (M1)

We have added loaders for Apple Silicone Macs. Ruby 2.6, 2.7 only. Please note that loaders for x86_64 and arm64 differ and loader bundles are NOT built as universal bundles. So, please choose appropriate loaders for your system and Ruby installation.

Note, that the new arm64 loaders work with custom build Rubies compiled on Apple Silicone from source or similar installations. You may check the ruby executable architecture with 'file' tool on your Mac. Standard Ruby which may be preinstalled by Apple is arm64e architecture and while the new loaders may work with it, it's not recemmended that you use this combination.

Please download from our loaders page:


Posted on: March 28th 2022 on 12:57pm
Labels: arm64 macos m1 apple silicone

Saturday 26th March 2022
RubyEncoder 2.7.5 refinements

 Linux shared libraries dependencies minimized:

- Linux CLI encoder and tools include custom libcurl and do not depend on the system one
- Linux CLI encoder min GLIBC version is 2.17. It means the CLI encoder may run on older Linux systems like CentOS 7 and many others. Automatic registration is available for the CLI version on the first run of the CLI 'rubyencoder' executable. 
- Linux GUI still requires newer Linux with GLIBC 2.27+ It's built on Debian 10 and tested on Debian 10 and Ubuntu with Gnome and Cinnamon desktop IDE. 
Update is recommended.
Windows and MacOS GUI versions refinements. Update is recommended.

Posted on: March 26th 2022 on 02:52pm

Wednesday 09th March 2022
RubyEncoder 2.7.5 launched - updated GUI

We are happy to announce the launch of RubyEncoder 2.7.5 with an updated GUI!

The updates include:
· A fully rebuilt GUI. You will not notice many visual changes but the updated version supports hi DPI monitors and has some other minor refinements.

· Communication with rubyencoder.com website uses SSL connection now.

· We removed support of 32-bit (x86) encoders and loaders for Linux. Embedded platforms support did not change.

This new version is available now to download on our site. Please feel free to try it.

Already using  RubyEncoder? Our active users may upgrade from their user profile as usual.

Posted on: March 09th 2022 on 08:54pm
Labels: 2.7.5 gui hi-dpi

Thursday 24th June 2021
Version 2.7.1 GUI improvements

• Source Path column added to the project window.
• File masks in Preferences if they contain a slash are applied to absolute source paths instead of file names. This lets use masks to filter source folders or select appropriate encoding modes depending on source folders rather than file names.
• Option to show hidden files in Preferences/Interface. If enabled hidden (dot) files are shown in the Add Files popup and may be added to the project.
• New shortcuts for Lock (C+L) and Advanced (C+K).
• Locking options compatibility check for "encrypt-to" options which cannot be used with locking to a license file.
• Options compatibility check in Advanced options.
• Desktop, Documents and Volumes(macOS) shortcuts in Add Files popup.

Version 2.7 GUI encoder may be automatically updated. If you use an older version, please download the update from your user profile. You may need to update your support subscription in order to update. If you get any problems with automatic update, please download the recent version from your user profile and install over the current copy.

Note for Windows version users. Please re-run RubyEncoder 2.7 GUI with administrative permissions in order to perform automatic update.

Posted on: June 24th 2021 on 10:18pm
Labels: gui

Wednesday 24th June 2020
Loaders for Linux ARMv8 (aarch64) added

We added support for Linux ARMv8 (aarch64) for running RubyEncoder encoded files. Please find the new loaders on our loaders page. Please enjoy running the encoded files on your newest Raspberry Pi 4 and similar 64-bit boards! Ruby 2.6.x and 2.7.x are supported.

Posted on: June 24th 2020 on 12:34am
Labels: armv8 aarch64

Saturday 30th May 2020
Loaders for Raspberry Pi etc boards updated

 We have updated loaders for Raspberry Pi etc boards based on ARMhf platform. Please download from our loaders page https://rubyencoder.com/loaders/

Posted on: May 30th 2020 on 02:44pm
Labels: raspberry 2.7


2023 (3) July (1) RubyEncoder 3 refinements June (1) RubyEncoder 3 for Windows updated April (1) RubyEncoder 3 2022 (4) April (1) RubyEncoder for FreeBSD updated March (3) Loaders for macOS arm64 (M1) RubyEncoder 2.7.5 refinements RubyEncoder 2.7.5 launched - updated GUI 2021 (1) June (1) Version 2.7.1 GUI improvements 2020 (3) June (1) Loaders for Linux ARMv8 (aarch64) added May (2) Loaders for Raspberry Pi etc boards updated RubyEncoder 2.7 launched! Includes Ruby 2.7 encoding 2019 (4) November (2) RubyEncoder 2.6 is available for Windows and FreeBSD RubyEncoder 2.6 launched! February (1) RubyEncoder 2.5 for FreeBSD is available January (1) RubyEncoder 2.5 launched with Ruby 2.5 support and many new features 2017 (4) October (1) RubyEncoder 2.4.1 update release June (1) MinGW Loaders for Ruby 2.4 are available February (1) Ruby 2.4 support! RubyEncoder 2.4 launched! January (1) Critical update of the loaders for Ruby 2.3 for Mac, Linux and FreeBSD 2016 (1) December (1) RubyEncoder 2.3 launched with full Ruby 2.3 support 2015 (4) September (1) New loaders for MinGW for Ruby 2.1 and 2.2 April (1) RubyEncoder for Linux 64-bit is available again February (2) RubyEncoder for Ruby 2.2 updated RubyEncoder 2.2 launched - encoding for Ruby 2.1 and 2.2 2014 (1) February (1) Loaders for Ruby 2.1 2013 (5) September (1) RubyEncoder 2.0 launched! Now with Ruby 2.0 encoding support. May (1) Loaders for MSWIN updated and VC9 and VC10 versions added. April (1) Added "no GUI" packages for Linux March (2) RubyEncoder for IBM PowerLinux RubyEncoder 1.5 launched, now with GUI! 2012 (1) January (1) Ruby 1.9.3 support and new loaders 2011 (1) January (1) Loaders for Linux ARM added! 2010 (4) September (1) RubyEncoder 1.3 released June (1) RubyEncoder Teams up with Japanese Company, Soft Agency. February (1) Our Blog Update Notification January (1) Loaders Update 2009 (4) October (1) Ruby Encoder used in US Department of Defence Project March (1) Update of RubyEncoder February (1) Loaders fixed for better Ruby-Enterprise support January (1) Loaders Update 2008 (5) November (2) RubyEncoder for Windows is launched! RubyEncoder 1.1 September (1) Launch Day - RubyEncoder 1.0 August (1) We're in beta! July (1) Ruby Encoder - The First version