Wednesday, 17 December 2025

How to Reduce Video Size and Resolution Using the Samsung Gallery App


Samsung One UI has lots of handy features, but some are hard to find. Most people only use Quick Settings or the main Settings app, so they miss out on useful tools hidden elsewhere. One great example is a built-in video converter in the Samsung Gallery app. It lets you make videos smaller and lower their quality without downloading any extra apps.

This tool isn't for advanced editing—it's just perfect for quickly shrinking a video, reducing its resolution, or changing it to a better codec. If you often record in 4K on your Samsung phone, this feature can free up a ton of storage space.

Why Use the Samsung Gallery App to Reduce Video Size?

Many Samsung Galaxy smartphones can record 4K videos. 4K videos are four times the resolution of a Full HD video (1920x1080 pixels), which means life-like visuals and clarity. Such clarity in 4K videos comes at the cost of storage space—the longer the video, the more space it will claim on your phone’s storage.

For day-to-day tasks, such as recording a few-second clip, taking a video selfie, or recording something that doesn’t require very high detail, you can simply stick to Full HD (1920 x 1080 pixels horizontally or 1080 x 1920 pixels vertically), or even HD (1280 x 720 pixels horizontally or 720 x 1280 pixels vertically), as the 4K format is not required for such videos.

Also, 4K videos are large in size, which makes them a bit difficult to transfer files from one device to another, and they’re also not supported by every device due to the codec and file size. So, if you have got a bunch of 4K videos that are taking much of your phone’s storage, reducing their size and resolution would be ideal if you do not care much about the visual detail.

For reducing the video size and resolution on your Samsung phone, you don’t need any third-party apps because the solution is already built-in to your Samsung Gallery app.

Important Note: This hidden video converter is only available on certain Samsung phones—mostly mid-range and flagship models that can record in 4K. You won't find it on basic entry-level Samsung Galaxy smartphones.

How to Use the Samsung Gallery to Reduce Video Size and Resolution

Let's see this step-by-step guide to use the Samsung Gallery's hidden video converter.

  1. Open the Samsung Gallery app and tap on the desired video.
  2. Now tap the 'Edit' button (pencil icon) to open the Samsung Studio video editor.
Samsung hidden video converter to reduce video size
  1. Then tap the three vertical dots in the top right corner and tap 'Size and format.'
how to reduce video size in Samsung phones
  1. You'll now see video resolution options: QHD, FHD and HD. Select the desired video resolution.
  2. Under 'Video codec' tap 'HEVC (High Efficiency Video Coding)' to save even more space when compared to H.264 codec and then tap 'Done.'
reduce video size and resolution in Samsung Android phones
  1. Finally, tap 'Save' to start converting and reducing your video size and resolution.
  2. Video conversion will take some time depending on the quality, length and video size.
  3. Once the video gets converted, you can check its size and resolution.

FAQ

Q1. How to reduce video file size on Samsung?

Using the Samsung hidden video converter, you can reduce the file size of your recorded camera videos. All you need is a compatible Samsung phone and the availability of this feature.

Q2. How do I resize a video on Samsung?

The video converter in Samsung Gallery offers you several video resolutions such as QHD, FHD and HD. HD is the lowest resolution among these three. You can choose any of these video resolutions to resize your videos on Samsung phone.

Q3. How to lower video quality on Samsung?

Again, to lower the video quality from 4K to QHD, FHD or even HD, you can use the Samsung video converter. Just scroll up a bit and follow this post to reduce the video quality on your Samsung phone.

Conclusion

If you’ve been wondering how to reduce video file size on Samsung without installing third-party apps, this built-in converter is exactly what you need. It’s simple, fast, and keeps your videos private since everything happens right on your phone.

For big 4K videos that don’t really need top-tier resolution, converting them to Full HD or HD makes a huge difference in storage. Personally, I use this all the time now—it’s hands-down the easiest way to manage video storage on my Samsung One UI phone without any fuss.


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