How do I compress a video without losing quality using FFmpeg?

You can use FFmpeg to resize video to compress MP4/MOV/WebM etc. formatted videos without losing quality. For example, try the following command line: ffmpeg -i input. avi -vf scale=1280:720 output.

What video format is lossless?

The are many lossless video codecs, common ones include H. 264 Lossless, H. 265 Lossless, Motion JPEG Lossless, Apple Animation Quicktime RLE, Autodesk Animator Codec, and many more. Lossless, means that when you use this type of compression for your file you do not lose any of the file information.

Is h265 lossless?

Lossless Encoding x265 can encode HEVC bitstreams that are entirely lossless (the reconstructed images are bit-exact to the source images) by using the –lossless option.

How do you make a lossless video?

Here is how you can easily convert videos without losing quality in WonderFox HD Video Converter Factory Pro.

  1. Open Converter. Start HD Video Converter Factory Pro.
  2. Import the Videos. Click +Add Files, select the videos you want to convert, and click Open.
  3. Choose H. 264 or H.
  4. Start Lossless Video Compression.

How do I change video resolution in FFmpeg?

How to Change the Video’s Resolution but Keep the Aspect Ratio?

  1. Specify the Width To Retain the Aspect Ratio. ffmpeg -i input.mp4 -vf scale=320:-1 output.mp4. The resulting video will have a resolution of 320×180 .
  2. Specify the Height To Retain the Aspect Ratio. ffmpeg -i input.mp4 -vf scale=-1:720 output.mp4.

Can MP4 be lossless?

The compression algorithm for an MP4 file format is somewhat similar to the MP3 compression algorithm, but MP4 compression is lossless and audio or video quality of the actual file is not decreased.

Is H 264 better than H265?

The H. 265 codec compresses information more efficiently than H. 264, resulting in files of comparable video quality that are about half the size.

Is H264 better than x265?

265 is newer and more advanced than H. 264 in several ways. H. 265 (also called HEVC, or High Efficiency Video Coding) allows for further reduced file size, and therefore reduced required bandwidth, of your live video streams.