# Trimming down videos files for Atlas hero sections _Author: @toiletgranny_ The purpose of this document is to provide technical guidance for content curators on trimming down video files to be later displayed in featured videos hero sections on Atlas. ## Video license Make sure the video is suited for `All audiences` and that its license is one of the following: - `CC0` - `PDM` - `CC_BY` - `CC_BY_SA` - `CC_BY_NC` - `CC_BY_NC_SA` If the video's license is not listed above, it means it cannot be edited or remixed, thus it can't be trimmed down and be featured in any of our hero sections. ## Trimming video file Depending on how large your video file is and which operating system you're on, your process for trimming down a video file may differ. We recommend starting with the online option. ### Online Using a browser-based online tool is the fastest and easiest way to trim down a video file. Please note, that the tool described in this guide comes with a limit of 700 MB per file and can process up to 10 videos per day unless you upgrade to a paid plan. If the above limits are exceeded, feel free to follow macOS or Windows guides below. #### 1. Copy a link to a video ![copy link](assets/trimming-online-step-1.webp) Right-click in the center of a video player and select `Copy Video Address` to have its URL copied into your clipboard. #### 2. Open the video in Online Video Cutter ![Open the video in Online Video Cutter](assets/trimming-online-step-2.webp) 1. Proceed to [Online Video Cutter](https://online-video-cutter.com) from 123Apps. 2. Click on the arrow icon in the `Open file` button, and select `From URL` from the dropdown. 3. Paste the video URL into the newly opened window and wait for the video file to be processed. #### 3. Select time range ![Select time range](assets/trimming-online-step-3.webp) 1. Once your video file has been processed, using the timeline (1) underneath the video preview click and drag blue handlers to select the **10 seconds** sample of your choice. 2. For maximum precision, fine-tune your selection using timestamps input fields (2) below the timeline. #### 4. Export ![Export](assets/trimming-online-step-4.webp) 1. Once you're happy with your selection, click on the cog icon to open up a `File format` popover. 2. Enable the `No re-encoding` option. 3. To export your video, click `Save` in the bottom right corner. #### 5. Save ![Save](assets/trimming-online-step-5.webp) Once your video has been processed, click on the `Save` button to save it on your computer. And that's all! ### macOS The easiest way to trim down a video file on a Mac is to use the built-in QuickTime video player. #### 1. Download the video ![Download the video](assets/trimming-macos-step-1.webp) Right-click in the center of a video player and select `Save Video As...` to save it on your computer. #### 2. Open the video in QuickTime ![Open the video in QuickTime](assets/trimming-macos-step-2.webp) Open the video file in QuickTime. #### 3. Select time range ![Select time range](assets/trimming-macos-step-3.webp) 1. To enter trimming mode in QuickTime, go into `Edit -> Trim` from the top menu or hit `⌘T` on your keyboard. 2. Once you're in the trimming mode, use the timeline to click and drag yellow handlers to select the **10 seconds** sample of your choice. 3. For maximum precision, click and hold a yellow handler while not moving your cursor for a brief moment. After a while, you should notice the timeline zooming in and allowing for more granular time adjustments. 4. Once you're happy with your selection, click on the `Trim` button on the right side of the timeline. #### 4. Save ![Save](assets/trimming-macos-step-4.webp) 1. Upon clicking the `Trim` button from a previous step you'll end up with a new `Untitled` video file. 2. To save it, go into `File -> Save` from the top menu or hit `⌘S` on your keyboard. And that's all! ### Windows The easiest way to trim down a video file on a Mac is to use the built-in QuickTime video player. #### 1. Download the video ![Download the video](assets/trimming-windows-step-1.webp) Right-click in the center of a video player and select `Save video as` to save it on your computer. #### 2. Open the video in Photos ![Open the video in Photos](assets/trimming-windows-step-2.webp) Open the video file in Photos. #### 3. Enter trimming mode ![Enter trimming mode](assets/trimming-windows-step-3.webp) To enter trimming mode in Photos, click on the three dots icon in the top right corner and select `Trim` from the dropdown. #### 4. Select time range & save ![Select time range](assets/trimming-windows-step-4.webp) 1. Once you're in the trimming mode, use the timeline to click and drag white dots to select the **10 seconds** sample of your choice. 2. Once you're happy with your selection, click on the `Save as` button in the top right corner. And that's all!