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. The larger the file size, the better the quality. Setting the target size significantly smaller than the original size will result in a drastic decrease in quality. If you're not sure which size to use, keep the default. Enter the target size for the converted video. Avidemux will adjust its settings to get as close to your target size as possible, but it may end up slightly over or slightly under the target size.
This returns you to the previous screen. Click the disk icon to save and compress the video. It's in the upper-left corner of the app. You'll be asked to name the video before compression begins. Depending on the length of the video and the quality settings, this could take quite some time to complete.
Method 5. Understand what can be compressed. Most audio files that you download from the internet, such as MP3 or AAC files, are already compressed. Further compression of these types of files will typically result in a poor-sounding file, but will decrease the file's size. Download Audacity. This is a free, open-source audio editing program for Windows, Mac, and Linux. Click the install link for your operating system. Open the downloaded file in your Downloads folder and follow the on-screen instructions to install.
Open Audacity. You'll find it in the Windows Start menu if you're using Windows, or the Applications folder if you're using a Mac. Open the audio file you want to compress. Here's how: Click the File menu and select Open. Select an audio file and click Open. Make the file mono optional. This isn't recommended for music or anything with essential stereo effects, but for spoken voice or other recordings that don't require high-fidelity, switching to mono single-track can make the file significantly smaller.
Use the following steps to convert a stereo file to mono: Click the down-arrow next to the file's name in the project area. Select "Split to Mono" from the menu. Open the "Export Audio" window. This will open a window allowing you to set where you want the file to be saved, as well as the format you want to use.
Here's how: Click File. Click Export. Click Export Audio…. Select your compressed format. All of the formats listed in the "Save as type" menu are compressed formats except. The format you choose depends on your requirements. It's also compatible with virtually any device. It is good if you intend to play back the audio through a high-quality sound system, but it is not compatible with many devices.
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