Welcome to G.D.G. Software We make high-quality software for everyone and powerful developer tools. Our Software XLS Padlock 2021.1 released Protect and sell your Excel workbooks XLS Padlock Learn More Paquet Builder 2020 published Easily package your files and apps into installers Learn More HTML Executable 4.9.5 released Build secure ebooks from HTML and PDF HTML Executable Learn More ExeOutput for PHP 2020.2 published Turn PHP and HTML into apps for Windows PHP Compiler Learn More

Discover our great software apps

Since 2006, G.D.G. Software has been developing and marketing high-quality software applications for Windows users and developers.

HTML Executable 4.9.5

Create secure ebooks and applications from your websites and PDF thanks to our powerful HTML compiler

Secure ebooks to protect your content

Wrap rich websites, PDF and Web documents into secure .exe applications or ebooks for the desktop. HTML5, CSS3 and JavaScript are supported.

Lots of customization features

Change any aspect of your ebooks, publications and digital products. Sell your ebooks thanks to the integrated licensing solutions.

XLS Padlock 2021.1

Versatile software for protecting and licensing Excel workbooks, VBA and formulas

Excel Workbook Protection

Copy-protect your Microsoft Excel workbooks: create secure and customized applications from Excel worksheets, formulas and VBA.

Advanced licensing features

Secure Excel files with online activation, dongle / USB protection or with hardware-locked keys. Sell licenses for your Excel workbooks and much more.

Paquet Builder 2020.0

Build customized installers and 7-Zip Self-Extracting archives for easy distribution of your files and software

Commercial delivery

Tailored installers and 7z Self-Extracting archives

Build compact 7-Zip Self-Extracting (SFX) archives, installers and updates for professional-and-friendly file and software delivery.

Total control over behavior and functionality

Visually customize installers and Self-Extractors from A to Z thanks to its rich set of features. Easy integration with your build automation tools.

ExeOutput for PHP 2020.2

Use PHP, JavaScript and HTML web technologies to create desktop software and Windows apps

Powerful PHP to EXE Compiler

Make self-contained app EXE files with all source files (PHP, HTML, JS, assets…) and the PHP runtime you choose. No dependencies: one single EXE ready for deployment.

PHP and HTML power in your Windows apps

Use large PHP codebase, frameworks and extensions in your app’s backend. Design frontend with HTML5 and JavaScript, or with our powerful UI editor.

GConvert 5.2

The best solution to extract, manage, edit and convert icons for Windows

Full-featured icon toolkit

With this icon software, you can extract, view, create, edit, manage and convert icons without requiring any additional tool or knowledge.

Convert icons to images and vice-versa

Support for Windows 10, 7, Vista, XP and Mac OS icon format. Build icon libraries. Extract icons from apps and much more.

GSplit 3

Free reliable file splitter to split large files into a set of smaller files called pieces

Split any large file into pieces easier for sharing and storing

Divide your large files, such as compressed archives, text and log files, backups, disk images, video and document files…, into smaller pieces.

Lots of powerful splitting options

Make pieces Self-Uniting with a small stand-alone executable file that will put all of the pieces back together. Split text and log files by number of lines or occurrences of a specified pattern. And much more.

AniTuner 2

Free software to create, edit, convert animated cursors (.ani files) and export them to animated GIF.

Easily create animated mouse pointers

Make animated cursors from animated GIF, AVI clips, bitmap strips, or by importing existing image files. Export ANI files recognized by Windows.

Export animated cursors as GIF for the Web

Use animated cursors to customize mouse pointers, or insert them in web pages, blogs, emails, applications…

CHM to EXE 2

Free software to convert Microsoft HTML Help files (.chm) into ebooks and applications (executable files).

Open HTML Help files (.CHM files), explore them, extract all source files and create related HTML Executable projects.

Compile HTML Help into secure apps and ebooks with HTML Executable.

EPub to App

Free software to convert ebooks from EPUB format to secure applications (executable files) or apps

Convert your ebooks in EPUB format to secure apps with HTML Executable (.epub to exe files)

Protect your e-books, courses, documents… Create branded ebook viewers for safe distribution.

Latest Blog Posts

Updates and articles about our software apps

XLS Padlock Excel compiler
Software

XLS Padlock 2021.1 available

A minor update for our Excel protection software is available: XLS Padlock 2021.1 What’s new in XLS Padlock 2021.1 Added a Paste button in the Online Activation dialog box (see the documentation because it is not automatically added to existing projects). Updated built-in timestamp server URL for (deprecated) SHA1 code

Read More »
XLS Padlock Excel compiler
Software

XLS Padlock 2021 released

For this end of year 2020, we propose you a big update of our Excel compiler to EXE, XLS Padlock 2021.This inaugurates the 2021 series of releases of our software. What’s new in XLS Padlock 2021 released today New saving mode: XLS Padlock can now store defined cell values in

Read More »
Paquet Builder

Paquet Builder 2020.1 available

A minor update for our installer Paquet Builder 2020.1 is available.  Get Paquet Builder 2020.1 from our  installer’s homepage. We strongly recommend you to upgrade if your maintenance is active. See the changelog of our installer builder Internal DLL files are now loaded with absolute paths to prevent possible DLL

Read More »
Paquet Builder

Easily create Self-Extracting 7z Archives directly from Windows Explorer

We released new versions of our Paquet Builder shell extensions; in some clicks, you compress selected group of files and/or folders into compact Self-Extracting 7zip archives. Furthermore, you can also customize the output of the Self-Extracting 7z archive thanks to all of the features of our installer tool. Then, what

Read More »
Paquet Builder

Installer software Paquet Builder 2020 released

Paquet Builder 2020 is available with new features and it is compatible with Windows 10 May 2020 update (2004 build). You can now download Paquet Builder 2020 from the associated installer builder website. This is our first product to include a dark theme, as you can see below. The dark

Read More »
ExeOutput for PHP

ExeOutput for PHP 2020.2 available

We published an important update to ExeOutput for PHP 2020 in order to make PHP applications compatible with Windows 10 May 2020 update (2004 build). You can now download ExeOutput for PHP 2020.2. Some improvements were also integrated into this release as you can see in our changelog. We strongly

Read More »

Subscribe to more news

Stay informed about our software updates.