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PNGmini 2.0

Optimise PNG files to cut their size

by Mike Williams

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License: Freeware
Operating Systems: Windows 7 (32 bit), Windows 7 (64 bit), Windows 8, Windows Server, Windows Vista (32 bit), Windows Vista (64 bit), Windows XP
Languages: English
Software Cost: Free
Date Updated: 27 February 2014
Watchlist: Add download to my watchlist
Downloads To Date: 276
Developer: Voralent
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PNGmini 20
Optimise PNG files to cut their size

PNGmini is a simple free tool which rewrites PNG files to reduce their size, without losing any image quality.

The program looks great. There's a sleek, black interface; red status bar and highlighting; menus slide out smoothly, while flat buttons carry out its main actions.

The problem here, though, is there really aren't that many actions. There's no "Add" button to import files, so you must drag and drop them onto PNGmini. There are no options or settings to consider. All you get is an Optimize button which rewrites each file, trying to save space, before displaying the results.

This simplicity is certainly appealing, but it does have one important consequence. You don't get to choose an output folder, or decide how the rewritten PNG files will be named: PNGmini will by default overwrite the original files.

To be clear: PNGmini will overwrite your original files. This shouldn't be a major issue - the worst that's likely to happen is they won't be reduced in size - but just in case of problems, you should always work with copies.

What results can you expect? We ran PNGmini through our two standard PNG compression tests.

First, we passed it 100 web graphics taken from real websites, and it reduced their size by 20.04%. That's disappointing, as tools like File Optimizer achieve around 40% here.

Our second test uses 25 HD photos, 200MB of data. This is much tougher, but PNGmini still cut them down by 4.22%, comparable with the market leaders.

Version 2.0 brings:
 - a new "backup" setting tells the program to create .BAK copies of any source files. The original copies will still be overwritten, but at least the BAK files will be there if you need them.
 - an "optimisation level" setting affects compression and performance (low = minimal compression but works quickly, high = maximum compression but is extremely slow).


PNGmini delivered below-average compression rates on our test PNG web graphics. The program was much better at optimising our HD photos, though, so if you're working with larger files then it might be worth a try. Just keep in mind that it will overwrite your source files. Enable the option to create backups, or just make sure you're always working with copies of your original images.

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Spotlight: Free Full Software

WhatsApp Messenger 2.12.11

Free Full Commercial Software

WhatsApp Messenger is the world's most popular instant messaging app for smartphones.

You can use it to send and receive text and voice messages, photos, videos, even call your friends in other countries, and because it uses your phone's internet connection it might not cost you anything at all (depending on whether you'll pay data charges).

It's easy to set up and use. There's no need to create and remember new account names or pins because it works with your phone number, and uses your regular address book to find and connect you with friends who use WhatsApp already.

You can talk one-to-one or in group chats, and because you're always logged in there's no way to miss messages. Even if your phone is turned off, WhatsApp will save your messages and display them as soon as you're back online.

There's plenty more (location sharing, contact exchange, message broadcasting) and the app is free for a year, currently $0.99/ year afterwards.

Version 2.12.11 brings:

• Links that you share or receive will now include a rich preview. When sending a link, you have the option to not include a rich preview.
• Additional 3D Touch features: You can now quickly Peek and Pop chats.
• Redesigned Settings tab. 
• You can now view all your starred messages across all your chats in Settings — Starred Messages.