You can compress files to make them smaller or to roll several files into a single file that’s easier to manage and send in an e-mail message. These days, hard drive space isn’t difficult to come by, and most people don’t compress files to save disk space. However, many people compress files so that they can send files more quickly over the Internet.
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Compressed archive, which is the same as a UNIX compression method called cpgz. Regular archive, also known in the UNIX world as cpio. This method actually doesn't perform any compression; instead, it just creates a container file made up of all of the selected files. ZIP is the final option, and the one most Mac users are familiar with. Free PDF Compressor by freepdfcompressor.com is a free to use piece of software that will help you compress your PDF documents to reduce their size. Unfortunately, Free PDF Compressor for Mac is not available for download, so you need an alternative Mac app capable of compressing PDF documents. File compression is the practice of packaging a file or files to use less disk space. The File Compression category includes software programs that will archive your files and extract archived. Aug 20, 2019 Now that you know what file compression is and how to compress a file in Windows, Mac, and Linux, you can store files at a much smaller size and save space on your device’s hard disk.
Depending on what type of file you’re dealing with, compressing files can shrink them by 50 to 90 percent. Sending several compressed digital photographs over the Internet takes half to one-tenth the time that it takes to send digital photographs that haven’t been compressed. The person to whom you send a compressed file doesn’t have to wait as long to get it, nor do you have to wait as long to receive a compressed file.
That’s the good news. The bad news is that people to whom you send compressed files must have the software and the wherewithal to uncompress them. Without the software, they can’t open your compressed file. They can’t extract it, to use file-compression terminology.
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Compressed files are often called Zip files because they’re usually compressed with WinZip, the most popular utility for compressing and uncompressing files. Everyone with a computer that runs Windows XP can compress and uncompress files because Windows XP offers the Compression utility for doing just that. What’s more, the Compression utility can uncompress — or unzip — files that were compressed with WinZip. However, if WinZip or another third-party compression utility is installed on your computer, you can’t use the Compression utility to compress files. You have to compress them using the third-party utility. If you try to use the Compression utility, Windows XP runs the third-party utility anyway.
After you compress files into a Zip file, Windows XP attaches a folder icon with a little zipper on it to the file. Zip files in Windows XP take some getting used to. A Zip file is a folder in the sense that the folder holds files, and Windows XP treats it like a folder, but a Zip file is really only a file. Look for folders with zippers on them when you try to locate Zip files.
Compressing files
Besides shrinking them, compressing files gives you the opportunity to roll a bunch of files into one easy-to-manage file. The 12 digital photographs you want to send to Aunt Enid can be sent in one file attachment rather than 12. The 50 files you want to copy to a CD-R can be stored on the CD as one file rather than 50.
Follow these steps to compress a file or files:
1. In Windows Explorer or My Computer, select the file or files you want to compress.
Files of different types can be compressed into the same Zip file.
2. Right-click one of the files and choose Send To –> Compressed (Zipped) Folder.
What happens next depends on whether a third-party compression utility is installed on your computer:
• No third-party utility is installed: You’re done.
• Third-party utility is installed: Click the Yes or No button — it doesn’t matter which one — when the dialog box asks whether you want to associate compressed files with the Windows XP Compression utility, not the third-party utility.
• Windows XP wants to associate each file type with one kind of program. Here, Windows XP is asking you to make its Compression utility the official compression program on your computer, but it doesn’t matter what you decide, because you can’t compress files with the Compression utility if a third-party compression utility is on your computer.
• The third-party utility compresses the files, names the compressed file after the last file you selected, and places the compressed file in the same folder as the files you compressed. In other words, if the last file you selected is called Learning3, the folder-file is called Learning3 as well. To rename a compressed folder-file, right-click it and choose Rename.
Knowing that people like to send compressed files over the Internet, Windows XP offers a convenient command for sending compressed files right after you create them. Right-click the Zip folder-file and choose Send To –> Mail Recipient. Whichever e-mail program you use opens so that you can compose an e-mail message to go along with your compressed file.
Uncompressing files
If someone sends you a Zip, or compressed, file, follow these steps to extract the files from the Zip file:
1. Right-click the folder-file.
Which command you choose on the shortcut menu depends on whether a third-party compression utility is installed on your computer:
• No third-party utility is installed: Choose Extract All on the shortcut menu.
• Third-party utility is installed: Choose Open With –> Compressed (Zipped) Folders. Windows Explorer opens the Zip folder-file in a new window. Now you can see the names of the files that you’re about to extract. Click Extract All Files in the Explorer bar.
The Extraction Wizard dialog box appears.
2. Click the Next button.
If you want, click the Browse button and choose a folder for the files you’re about to extract in the Select a Destination dialog box. If you simply click the Next button, the extracted files land in the folder-file where the Zip file is currently located.
3. Click the Next button.
The Extraction Complete dialog box appears.
4. Click the Finish button.
You see the extracted files in a new Windows Explorer window. From here, you can open a file or move files elsewhere. Click the Folders button to see where the folder with the extracted files is located on your computer.
The fastest way to uncompress files is to double-click the name of the Zip file. Doing so extracts all the files at once.
by Brian Fisher • Feb 25,2020 • Proven solutions
You may have seen something about audio or AAC audio formats being 'compressed'. That's talking about making the file size smaller so it can be more easily used on the web. The audio compression is not the same thing as 'data compression', which could be achieved by using WinZip or WinRAR compressing software. For audio compression, different codec (the method to store audio information) has different compression ratio. Also different audio settings will affect the file size to some extent, for example, the bit rate, sample rate, channels, etc.
Best Software to Compress Audio Files
Here we will show you both ways to compress audio on Mac and Windows. The only tool you need is UniConverter, which is not only a video converter, but also audio converter and audio compressor. Mac and Windows versions are both provided.
Get the Best Audio Compressor - UniConverter![]()
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3,981,454 people have downloaded it
1. Video Tutorial on How to Compress Audio File
First of all, you can watch the video below to get a quick look over how to compress audio files, then follow the detailed steps to resize your audio right away.
2. Step-by-step Guide to Compress Audio Files on MacStep 1. Add audio files to audio compressor
Open UniConverter for Mac when it has been installed in your computer. To import audio, just drag and drop it to the program. Alternatively, you can go to 'File' > 'Load Media Files' to achieve that.
File Compression Free DownloadStep 2. Choose different compression methodsMac File Compression Software To Email Download
Method 1: Choose a codec with higher audio compression ratio. This method is very effective, but will decrease audio quality apparently. In most case, MP3 is a decent audio format to store compressed audio data with good quality and small file size.
Method 2: Vary audio settings: If you want to keep the original audio format, you can change the audio settings after choose an output format from the list. Generally, the lower the bit rate is set, the smaller the file size will be. For example, an audio file with 128 kbps bit rate can save nearly 1 MB per 5 MB without any major decrease in quality after changing the bit rate to around 90 kbps.
So, depending on your demands, you can either select MP3 or other format, as well as change audio settings or not.
Step 3. Start to compress audio files on Mac
The final thing is to click the 'Convert' button to start compressing audio on Mac. You'll get the compressed audio after a while.
So now you know what compression is. Cool, huh? If you want to experiment with recording and producing audio, there are lots of tutorials out there on the web. Of course I think you'll like the ones at our Audio Solution section. But I may be biased. Either way, go forth and either impress your friends, make the world safe for better audio, or both! By the way, if you want to compress MP3 files, compress WAV audio files or even compress MP4 videos, just check these pages to get details.
File Compression software, free downloadTips for Using Audio CompressionMac File Compression Software To Email Free
Audio compress is use everywhere, but there are loss audio compress and lossless audio compress. The former includes Free Lossless Audio Codec (FLAC), Apple Lossless, Dolby TrueHD, RealPlayer Lossless, WMA Lossless, etc., while the latter includes MP3, AAC, WMA, Dolby AC-3, Ogg Vorbis, etc. Lossless compression ratios are around 50-60% of original size, while lossy compression typically creates files of 5 to 20% of the size of the uncompressed original. The ratio will determine how much level your audio is compressed.
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