---
title: 'How to Compress Video using FFmpeg to Reduce 90% Size without Quality Loss'
source: 'https://youtube.com/watch?v=vsIIJ83sjpc'
video_id: 'vsIIJ83sjpc'
date: 2026-06-14
duration_sec: 134
---

# How to Compress Video using FFmpeg to Reduce 90% Size without Quality Loss

> Source: [How to Compress Video using FFmpeg to Reduce 90% Size without Quality Loss](https://youtube.com/watch?v=vsIIJ83sjpc)

## Summary

This video demonstrates how to use FFmpeg to compress a video file by up to 90% without noticeable quality loss. The process is free and works on Windows, with steps covering installation, adding FFmpeg to PATH, and running a compression command.

### Key Points

- **Goal: Compress video by 90% without quality loss** [0:00] — The video aims to show how to use FFmpeg to reduce video size significantly while maintaining quality.
- **Download and install FFmpeg on Windows** [0:25] — Download FFmpeg from the link in the description, save it to a folder, and copy the path to the bin folder.
- **Add FFmpeg to PATH** [0:39] — Open environment variables, edit the user PATH variable, and paste the path to the bin folder containing ffmpeg.exe.
- **Run compression command** [1:01] — Navigate to the video folder, open Terminal, and type the ffmpeg command with the input file name. Hit enter to start compression.
- **Result: 90% size reduction** [1:31] — The compressed video shows a size reduction of over 90%, with the same resolution but different bitrate.

### Conclusion

FFmpeg provides a free and effective way to compress videos by up to 90% without significant quality loss, making it a valuable tool for managing video file sizes.

## Transcript

in this video I will show you how to
compress video using ffmpeg to reduce
90% size without loss before we begin
make sure you hit subscribe and tap the
Bell icon to get Daily Tech videos if
you want to compress a video for some
reason then you can use FFM Peg to do
that there are paid tools to do the same
thing but with FFM Peg you can do it for
free and I will show you how let's see
how to do it on Windows download ffmpeg
from the link in the description and and
then add it to the
path to add it to path just save it in
some folder and copy its
path next open environment variables
settings by searching the environment in
start now open environment variables and
from the user variables double click on
path paste the path to the bin folder
where ffmpeg.exe file is save the
changes and
exit
now you go to the folder where the video
file is that you want to compress right
click on the empty area and then open
Terminal type this ffmpeg command edit
the input file name here same as your
Source video
file hit enter and then let it compress
your video depending on the size of the
input video it will take some time I
will suggest leaving your PC idle and
not the other
work
once it is done you will see the final
compressed video you can clearly see the
size difference it is more than
90% you can also compare the properties
of the videos and see both have the same
resolution just different bit
rate this is it this is all it takes to
compress videos on PC using FFM
Peg if you found this video helpful then
check out more Tech videos on our
Channel thanks for
watching