Open a new Finder window from the OS X Desktop and hit Command+Shift+G (or go to the “Go”. On your Mac, copy the picture you want to use to the Clipboard. One way to do this is to open the picture in the Preview app, choose Edit Select All, then choose Edit Copy. Select the file or folder whose icon you want to replace, then choose File Get Info. At the top of the Info window, click the picture of the icon, then choose Edit Paste. Iconos Mac Descarga 171 Iconos Mac gratis Iconos de todo y para todos, encuentra el icono que necesitas y descargalo sin coste! Don’t provide app icons in ICNS or JPEG format. The ICNS format doesn’t support features like wide color gamut or deliver the performance and efficiency you get when you use asset catalogs. JPEG doesn’t support transparency through alpha channels and its compression can blur or distort an icon’s images. Checkout the following instructions :Use iconutil to Create an icns File Manually. The iconutil command-line tool converts iconset folders to deployment-ready, high-resolution icns files. (You can find complete documentation for this tool by entering man iconutil in Terminal.) Using this tool also compresses the resulting icns file, so there is no need for you to perform additional compression.

Files with icns extension can be usually encountered as icon archives from Mac OS X (macOS). Contains several sizes of icons in a single file.

Software that open icns file

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ICNS file extension- Apple icon graphic format

What is icns file? How to open icns files?

File type specification:

icns file icon:

File extension icns is most notably associated and ued for Apple icon graphic format, which is the native icon format in Mac OS X.

Icns Icons For Mac Os

The typical icns files contain several different sizes of the same icon in a single file. ICSN format supports icons of various sizes, such as 16×16, 32×32, 48×48, 128×128, 256×256 and 512×512 pixels, with both 1- and 8-bit alpha channels and multiple image states. The .icsn files may be both uncompressed and compressed.

The larger icons within the icns file are typically in the JPEG 2000 file format.

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The default software associated to open icns file:

Company or developer:
Apple, Inc.

Apple Preview is document and graphic viewer that is integral part of Mac OS X operating system. It can view and also export/convert the most common bitmap picture formats.

Company or developer:
Apple, Inc.

macOS is Unix-based desktop operating system, a successor of Mac OS X system for MacBook-family, iMac, Mac Mini and Mac Pro computers, developed and sold by Apple, Inc.

Company or developer:
Apple, Inc.

OS X or Mac OS X is Unix-based operating system developed by Apple Inc. for Macintosh computers. It contains basic core applications for everyday use, such as Finder basic file manager, Safari for Internet browsing, QuickTime for video, iTunes for managing audio data and iPod, iOS devices management , iMessage instant messaging, Mail, Contacts, Calendar and many more.

The latest version 10.11 of OS X is called El Capitan. It is available to purchase on Mac App Store as well as is distributed with new Mac computers and notebooks. It includes features to improve the security, performance, design and usability.

OS X operating system was replaced by new macOS in 2016!

Company or developer:
ChickenByte

​IconBox is a graphic utility and icon manager for Mac OS X. It is iPhoto like application that enables you to store, manage & change all your icons or dock icons using simple drag & drop like functionality.

The first icon organizer for Mac OS X now has full icon & dock customization capabilities and online tools for searching new icons.

Related articles:

Help how to open:

ICNS icon can be natively opened in Apple Preview and edited in most icon-editing software tools.

How to convert:

Axialis IconWorkshop and IcoFX are able to work and convert the .incs files.

Find conversions from icns file:

Find converter to icns file type:

List of software applications associated to the .icns file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file Pandora alarm studio for mac. : like open icns file, edit icns file, convert icns file, view icns file, play icns file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting icns files.

Software that open icns file - Apple icon graphic format

Programs supporting the exension icns on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open icns file action.

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Icns Icons For Mac Computers

Apple macOS / Mac OS X:

Main software associated with icns file by default:
Preview
Other suggested software:
icns Browser
Apple Icon Composer
Icons Maker
Image2icon

Developing an application for Mac OS, sooner or later you’ll want to add an icon to it. And Mac OS uses Apple’s own format for application icons - Apple Icon Image format - files with .icns extension. But how does one create such a file?

It is actually not so hard, but there are some tricky moments. I’ll cover those and as a bonus I’ll show you how to use .icns icon in Qt-based application (deadly simple).

There is an out-of-the-box Mac OS tool for such conversion - iconutil (documentation for which is nowhere to find at Apple’s website, so this brief man page is all we have).

However, you cannot just take a random PNG and feed it to iconutil. I mean, you can, but it will give you the following error:

Because iconutil takes only specially named folders. Just how am I supposed to know about that? And it shows similar short and useless error messages for other things it doesn’t like. For example, here’s an output for the situation when files inside iconset folder are not named “properly” or have “wrong” dimensions:

Go figure.

After a set of trials and browsing the internet I found out (hopefully) all the requirements:

1. First you need to prepare a set of icon pictures and put those into a folder with .iconset “extension”, for example some.iconset;
2. Pictures from this set should be named in a certain way and have specific dimensions.

Mac Icns Maker

Correct dimensions can be found in Apple Guidelines. So it’s 5 different dimensions, but actually 10 “physical” files as each dimension is represented twice (you’ll see why). And these files have to be named according to the following format:

So here’s the full list of proper filenames:

At the same time, I’ve got a commit to my script, and this commit adds more sizes, which supposedly solves some missing size error. I never got such an error, so even though I accepted the commit, I won’t add those changes to the article.

Script to automate the process

Icns Icons For Mac Shortcut

But that’s rather boring to create all those files manually in some graphics editor, right? So let’s use sips utility (although, I recommend using ImageMagick, as it gives better quality results):

Better, but still - we have to run it 10 times. So let’s write a Python script for that:

The full script is published here.

As an example, I prepared a square picture with a resolution of 2048x2048 and 150 pixel per inch, so there is plenty room to prevent upscaling:

Pass picture path to the script like that:

The script will:

Icns Icons For Mac High Sierra

1. Create a folder ~/Desktop/apple.iconset;
2. Generate 10 files with different dimensions and save those into that folder;
3. Call iconutil on this folder and put resulting apple.icns to ~/Desktop/.

Here’s how the final apple.icns looks like in Preview:

So everything from that folder is bundled into one file.

And now the bonus part - how to use .icns as an icon for a Qt-based application.

As I said, it’s deadly simple: put apple.icns into your Qt project folder and add the following line into your-project.pro:

And that’s it: