Forum Discussion
Chelleai
Aug 11, 2026Tin Contributor
The best mp4 file shrinker to compress my videos for Windows 11
Hi everyone, I've got a bunch of MP4 videos that are taking up way too much space on my Windows 11 PC, and I need to shrink them down without turning them into pixel soup. I prefer something that let...
Veronicawxo
Aug 11, 2026Brass Contributor
Using discompress-trim as an mp4 video compressor is an excellent choice if you have a very specific goal in mind. It is a free and open-source batch script, but it's important to understand that its primary function is tailored for a single use case: compressing files down to under 25MB for free Discord uploads.
Here is what makes this a unique mp4 video compressor:
- Targeted Compression: The script's main purpose is to automatically adjust bitrate and encoding to ensure your video file ends up under the 25MB limit. This is a very different approach from a general-purpose mp4 video compressor that might focus on quality or file size trade-offs.
- Built-in Trimming: As the name suggests, you can specify a start and stop time, and it will trim the video before compressing it to the target size. This is a handy feature if you only need a specific clip.
- Simple Usage: You can compress files by simply dragging and dropping them onto the batch script or running it from the terminal. For an even faster workflow, you can add the script to your Windows right-click menu.
While a powerful tool, discompress-trim has specific limits that may affect its use as a general mp4 video compressor:
- Hard Bitrate Floor: The script cannot compress video streams below 125kbps and audio streams below 32kbps. This means that for very long videos, it may be impossible to compress them down to 25MB because the bitrate would need to go below these limits. The script will fail in such cases.
- Dependency on FF mpeg: This script is a wrapper for FF mpeg, a powerful command-line video processing tool. You must install FF mpeg on your system for the script to work.
If your goal is to compress videos for Discord's upload limit, this is a fantastic and free tool. If you need a more general-purpose mp4 video compressor with fine-grained control over quality settings, you might find its focus too narrow.