High compression large files

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Alternatively, you could hold down the Command key as you click each file, and then drag the highlighted files to Keka.

This will compress the files into a ZIP or 7z, whichever you selected. Include your email address to get a message when this question is answered. If you need to compress a ZIP file that contains an already-compressed format, begin by reducing the sizes of the files you're compressing. This could mean cutting off excess of an audio file, or reducing the resolution of a JPG.

Helpful 0 Not Helpful 0. Both 7-Zip and Keka allow you to split a ZIP or 7z file into smaller files as well as creating one larger file. Submit a Tip All tip submissions are carefully reviewed before being published. You Might Also Like How to. How to. About This Article. Co-authored by:. Co-authors: 5. Updated: October 6, Categories: File Manipulation. Article Summary X 1. In other languages Bahasa Indonesia: Mengompres File dengan 7zip.

Italiano: Comprimere i Dati in Formato 7Zip. Deutsch: Dateien mit 7 Zip stark komprimieren. Thanks to all authors for creating a page that has been read 8, times. Is this article up to date? Cookies make wikiHow better. Click Ok to compress the file. This compresses the file using the settings you specified.

Method 2. Download and install WinRAR. WinRAR is a free for a limited time application you can use to compress files on Windows. Click the blue WinRAR 6. Open the WinRAR ". Click Install and follow the on-screen instructions. Nearly all files can be compressed, but some files can only be compressed by a small amount.

The icon looks like a stack of books. Select an archive format. ZIP is the standard compression option and easiest to open on any system. Select Best from the "Compression Method" menu. This method provides the highest compression ratio the smallest size file. Select a Dictionary Size. The default option will already be selected based on the archive format you selected.

The larger the dictionary file, the more compressed the file can be. However, compression and decompression can take a long time and large dictionary sizes require better computer hardware.

You can try a size that is 10 times lower than your memory, or stick to the default if that takes too long. If a file is particularly large, you have the option to split the file into smaller files. Use the drop-down menu below "Split to volumes, size" to select how big you want each split file to be. Click Ok. It's in the lower right corner. This compresses your file. Method 3. Right-click the file s you want to compress. To select more than one file at a time, press and hold the Command key as you click each file.

Then, right-click the highlighted files. You can compress most files types on your Mac. The size of the compressed file will vary depending on the type of file it is—images, text files, and various documents can usually compress to much smaller files than video and audio, for example. Click Compress. This compresses the file into a ZIP file, which also reduces its size. ZIP file extension, which is a globally-used compression format that can be opened on nearly any system without needing special software.

To decompress the file, double-click it. Method 4. Download Avidemux. To compress a large video into a smaller file, you'll need compression software that's specifically for video. Avidemux is a free option that can considerably decrease a video's size, and it's available for Windows, Mac, and Linux.

Click the download link for your operating system. Open the downloaded file in your web browser or Downloads folder. Follow the instructions to complete the installation. Launch Avidemux. You'll find it in the Windows Start menu or your Mac's Applications folder. Compressing a video means sacrificing its quality. You can play around with compression options to figure out the best size-to-quality ratio. Movie files that you've downloaded from online sources may already be compressed.

Further compression can lead to a virtually unwatchable final product, or may not result in significant size changes. It is not possible to decompress a compressed video. You should always save the compressed version as a separate file so that you don't lose the original.

Open a video file in Avidemux. Here's how: Click File and select Open. Select a video file on your computer and click ' Open. This format gives you the highest level of compression at the best possible quality. This compresses the audio track of the video to keep its size down. This is the most widely-compatible video format. Click the Configure button under the "Video Output" section. It's the first option below "Video Output.

Select Video Size Two Pass from the drop-down menu. It's in the "Rate Control" section at the bottom. This option lets you specify the size you want your video to be.