Video Compressor

World’s best video compressor công cụ béo Quay video timeslape
video tệp tin size

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Drop any files here !Upgrade to ProSign Up for moreMax tệp tin size 1GB .

Advanced settings ( optional )

Video Quality và Size

Video Codec

H265 codec can reduce video size 20-75% more compared to H264 (especially high-resolution video)
Compression Method

Choose “Target a file size” to get an exact output file size. Choose “Target a video quality” when quality is of importance.Select Target Size ( % )

%

%

Select a target tệp tin size as a percentage of the original. Smaller values compress more. For example, a 100M b tệp tin would become 25M b if you select 25 % .
Make video compatible with old devices?

Make video compatible with old devices ? Only use this option if you plan to play the video on a really old device or if you are having playback issues (it compress less)

Only use this option if you plan to play the video on a really old device or if you are having playback issues (it compress less)

How To Compress a Video?

1. Click the “ Choose Video ” button mập select your video tệp tin 
2. Keep the mặc định options ( they vì a great job ! ) or specify advanced options 
3. Click on the “ Compress Video ” button béo start compression 
4. When the status change lớn “ Done ” nhấp chuột the “ Download Video ” button 

World’s best video compressor bự compress MP4, AVI, MKV, or any other video tệp tin. Choose the mặc định options phệ compress video size by 40 %, or choose a custom size .

Which Encoder Is Best for Compressing Video?

We use two popular video encoding methods that are supported by most modern devices & browsers : H. 264 và H. 265. Out of these two encoding methods, H. 265 yields better compression, especially at higher resolutions such as 1080 p or bốn k .

How to play compressed video?

Codecs we use for compression are supported by all major browsers và devices. So you should not have any playback issues. If any issues, try opening the video with the không lấy phí VLC player ( Windows, Mac, Linux, and Mobile versions available ). Allowed tệp tin types are : vob, f4p, divx, mpv, rm, swf, m4v, rmvb, mts, mp4, qt, wtv, ba gp, ba gpp, webm, mp4, mp4, mp4, mpeg, mkv, avi, f4v, ogv, tam g2, mov, mp4, m2ts, xvid, asf, dvr-ms, mp4, mp4, wmv, flv, mpg, mp4, m1v, ts, gian lận, mxf

Advanced Methods of Video Compression

There are two main methods mập compress a video. You can either optimize the bitrate or resize the video mập a smaller size. We provide bốn settings related bự both methods. Here’s an explanation :

1. By Video Quality

CRF (Constant Rate Factor): CRF method attempts to keep a constant perceived video quality. To do that, it uses different compression levels on different frames. For the H264 encoder, possible CRF values range from 0 to 51. Higher values mean more compression (reduced file size), lower values mean better quality (but bigger file size). The default is set at 23.

Preset: Presets refers to the video compression speed. Choosing a slower preset allows better optimization (lower bitrate/file size) for a given video quality level. If you prefer a lower file size over encoding time, choose a slower preset.

2. As a Percentage of the Original Size (Default)

This method allows you phệ phối a target tệp tin size for your video as a percentage of the original size. For example, if you mix it phệ 60 % for a 1G b tệp tin, we will attempt bự make your compressed tệp tin size 600M b or less .

The pros of this method are, you can achieve a certain target size. The downside is you don’t know how the target size will affect video quality. To overcome this, start with a decent size (as a percentage of original), then test for video quality. Increase the target size if you need better quality. This is the default video compression method used.

3. Set Max Bitrate

This method allows you to set the max bitrate for given video quality. The quality is set by CRF (constant rate factor). Select this method if you are using the video in a streaming application where you want to control the streaming bandwidth rate. To choose this option, select “By Max Bitrate” from the “Video Compress” dropdown. For more info: read video bitrate control.

4: Make Video Size Smaller (Re-Size)

Choosing a smaller video resolution (dimensions) can also save file size. For example, if you have a 4K (4320p) video but your target device is 1080p, you can downsize the video to fit 1080p and save file size. To choose this option, choose “Re-size video” from “Advanced Settings” above.

Other compressors by FreeConvert.com

1. Compress PNG
2. Compress JPEG
3. GIF Compressor
4. PDF Compressor
5. Image Compressor

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Source: https://leowiki.com