[SOLVED] How to Compress AVCHD to a Manageable Size: Step-by-Step Guide

[SOLVED] How to Compress AVCHD to a Manageable Size: Step-by-Step Guide

Selena Thomas

September 14, 2021 14:40Posted by to Edit Video

Question: Since I got my AVCHD camera I've pretty much eaten up all the space on my HDD because of the way iMovie converts the files to a format that takes up like 15 times more space. Is there any way to resize an AVCHD clip? Thanks in advance for your suggestions. - an Apple Discussion Community User

Answer: To elaborate on your point, you are looking for an equitable tool to decrease the size of your AVCHD videos without the extra work of re-encoding. This makes perfect sense since AVCHD is already highly compressed thus CPU-heavy for any video editor to process. But how can you squeeze even more juice from a lemon? In this article, we will demonstrate to you exactly how.

Compress AVCHD

Part 1. What is the AVCHD Format

By definition, AVCHD is used by video recorders as the default high-resolution video format encoded on DVD media, hard disk drives, and memory cards. Depends on the brand of the video recorder you are using, AVCHD could be utilizing different codecs. Usually, it is less compressed than other common formats such as MP4.

Part 2. How to Compress AVCHD Video Files Professionally

Due to the workload of AVCHD files, it is highly recommended that you’d better utilize desktop AVCHD compressor software that could handle the heavy-lifting compression job professionally. Blu-ray Master Video Converter Ultimate should be listed on the top of your checklist. Proven and trusted by many pro-level users, it is one of the best all-in-one video and audio media solution provider software in the game. Other than compressing AVCHD video with a competent and qualified touch, it also implements other features such as:

Step 1

Open Video Compressor

Launch the program and find the Toolbox option on the right side of the top ribbon. Click on it, and select the Video Compressor option on the screen. If you are struggling to locate the options, check out the screenshot below for help.

Open Toolbox and Video Compressor

Step 2

Import AVCHD Files

Import your AVCHD videos to the video compressor. Either drag and drop your files to the box or click on the “+” plus button to import the files to your project.

Add File to the Compressor

Step 3

Settings and Configurations

Resize the video to the exact size that you desire. Drag the slide bar beside the Size option to change your output video size. If you wish to get a glance at what your final output video will look like, click on the Preview button.

Video Compressor interface

Step 4

Save Your Videos

Click on the Compress button to complete the final step. Your compressed AVCHD video will soon be ready.

Tips: If you wish to convert AVCHD video to MP4 or other formats, you could simply click on the Format option to select the container codecs as you like.

Part 3. How to Compress AVCHD Free Online

Some users prefer to use an online service instead of desktop apps due to flexibility and adaptability. Among the options floating on the Internet, we picked the Free Online Video Compressor as the default choice for an online AVCHD compressor. Here are the steps on how to use the free online video compressor to resize your AVCHD video:

Step 1

Visit the website in your preferred browser. Click on the Add Files to Compress button to proceed. You may need to install a launcher beforehand. Simply follow the steps indicated on the website.

Add Files to Compress

Step 2

Drag the slide bar on the right side of the Size option to change the compression rate. Choose the desired export format in the Format settings. Eventually, click on the Compress button to complete this step.

Adjust Compression Settings

Step 3

A “Compression Successfully” pop-up would be shown to you once the process is over. Click on the OK button to download your output video.

Compression Completed Notice

Part 4. FAQs about Compressing AVCHD

1. Why are my AVCHD files so big? What can I do?

Generally speaking, AVCHD is a lossless encoding format. It's designed to ensure that you get the best possible quality and performance into your editing software. That’s why the raw footage in AVCHD formats usually comes in gigabytes.

2. How to convert MP4 to AVCHD?

No, do NOT convert MP4 to AVCHD. Since MP4 is a compressed (lossy) format while AVCHD is the original lossless one, it is pointless to convert MP4 to AVCHD. On the other hand, it makes sense if you wish to convert AVCHD to MP4. Use the Video Converter we suggested completing your task.

3. How do I import AVCHD videos to Mac?

AVCHD files are not natively supported by Mac. You might get an “AVCHD video is not recognized or cannot be transferred to a Macintosh computer.” error if you attempted. Use iMovie to import your AVCHD footage instead.

Conclusion

This article introduced popular solutions to compress AVCHD video files. Comparing a Free Online Video Compressor and a dedicated professional AVCHD video compressor, we would highly recommend the second method as your initial choice. We would be happy to listen to other workarounds and alternatives as the reader is encouraged to leave feedback in the comments section.

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