Yearly Archives: 2017


Program Update – Vatlidator 3.0 now support validation for all EU VAT IDs

Vatlidator 3.0 - English UIAfter valid.eu interruption, Vatlidator 2.1 is not longer retrieve VAT ID info.

Now introducing the Vatlidator 3.0, a whole new validation and info tool for all the EU VAT IDs (AT, BE, BG, CY, CZ, DE, DK, EE, EL, ES, FI, FR, GB, HR, HU, IE, IT, LT, LU, LV, MT, NL, PL, PT, RO, SE, SI, SK), retrieving information directrly from the European Commision VIES SOAP Service.

The new interface, now supports two languages, Greek and English.

As its predecessor, is free software distributed under the terms of the GNU GPL 3 with installer and portable package available.

For downloads, updates and more info see the program’s home page.


Show Windows version on desktop

At beta versions of MS Windows it’s common to see the OS version details at the right bottom of the desktop, in the front of wallpaper.

It is not just a privilege of beta versions, you can make visible those OS version details by do some registry changes.
In particular open the Registry Editor (regedit.exe), go to HKEY_CURRENT_USER\Control Panel\Desktop key, open the PaintDesktopVersion value and change its data from 0 to 1


Fix for Xperia XA NFC issue after update to Android 7

The owners of Sony Xperia XA (single SIM models XA F3111, F3113, F3115, and dual SIM variants F3112, F3116), after apply the official Sony’s update to Android 7.0 – Nougat, may be faced problems with enabling and working with NFC.

The solution solution of this problem is so easy:
Just clear the system’s cached files (Tap Settings → Storage & Memory → Tap Details → Tap Internal Memory → Tal Cache Data and Answer positive at the question of Clear the Cached data) and restart their devices!


Introducing Guietzli – The Guetzli graphical front-end

Guietzli is a MS Windows graphic front-end for the Google Guetzli JPEG Encoder.

Guetzli is an advanced JPEG encoder, with a complete new psycho-optical model, introduced by Google, claims better visual result with smaller file size. And it’s 100% compatible with the JPEG format.

Google provide a command line tool for the Guetzli encoder, although with this Windows front-end you can easily put files to an encode queue, select the output folder and the encoding quality.

This program is open source software, distributed under the terms of the GNU GPL 3.

For more info, updates and downloads see at the Project’s Home Page.


Afterzip becomes Open Source

Afterzip is a a desktop program (uses Java Swing for UI) usefull for split and merge files.

It was developed in 2003 and originaly distributed as Freeware.
Now, 14 years later, the binary files rebuilded, the program repacked and the source code is released under the terms and conditions of the GNU GPL 3.

You get full info and downloads for Afterzip, visiting the project’s Home Page at multipetros.gr/public-projects/desktop/afterzip/


Introducing Hashes Generator WebApp

Hashes Generator is a web (and mobile friendly) app, with retro inspired UI, to generate hahes of the most common nowadays hash algorithms (such as MD5, SHA1, SHA256, SHA512, RIPEMD-160) and encode/decode text with Base64 method.

The app runs from your web browser, just by visiting the url apps.multipetros.gr/hash/.

For more info and updates about the Hashes Generator WebApp, visit the project’s Home Page at multipetros.gr/public-projects/web-apps/hashes-generator/


Introducing VisualTree – a graphic version of the DOS tree command

VisualTree is a graphic version of the DOS tree command, wich allows the user to view a listing of files and folders in tree structure.

In VisualTree, you can choose to view folders only without the files and/or ASCII art for tree nodes. Also you can change font face, size, style, fore and background color. And of course you can save the tree structure to text file.

This program is open source software, distributed under the terms of the GNU GPL 3.

For more info, updates and downloads see at the Project’s Home Page.


Mobile App BorderlandVAT updated

Μειωμένο ΦΠΑ νησιώνMobile web app version, of the desktop BorderlandVAT, to calculate VAT differences on some Greek islands, updated to latest VAT changes and except of that goes full screen capable at mobile devices when you put it on home screen.

Also a list of these islands is accesible from the app’s interface.

For more info, downloads & updates you can see at the Mobile BorderlandVAT project’s home page.