All mentioned programs except WinRK are free of charge. Your best bet here seems to be trial and error. Try all your available compression techniques on each file and pick the best to put on your website. Luckily computers do this sort of thing pretty fast and don't get bored. You could write a simple script to automate the process so it would be "relatively painless". Just don't expect miracles - mb down to 30 mb just doesn't happen that often. Log files as mentioned above - yes. Nanozip seems to have highest compression together with FreeArc.
But it is not in final version yet. There is how good compression Nanozip achieves. It has very high compression and it does not takes too much time, check the Summary of the multiple file compression benchmark tests , but FreeArc is faster.
Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Highest compression for files for web transfer? Ask Question. Asked 12 years, 4 months ago. Active 6 years ago. Viewed 77k times. I'm using Windows XP. Improve this question. MasterScrat 5 5 bronze badges. Nice idea Open Notepad.
Type 1 Billion times "A". Save, then compress. Create an app that writes 1 Billion true random numbers to a file. Compress that. A billion A's is an A a billion times. If you have a billion random numbers, it becomes difficult to do pattern matching since each consecutive number in a given subset decreases the probability of a matching subset exponentially.
Add a comment. Use the drop-down menu below "Split to volumes, bytes" to select how big you want each split file to be. You will need all the split files to extract the files. Make sure you do not delete or lose any of the split files. 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.
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.
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