Play, loop & bookmark multiple portions of a YouTube video.

Latest Version

Version
1.0.8.1
Update
November 11, 2024
Size
48.95KiB
Developer
Category
Users
435
Rating
4.71429 ★
Manifest Version
3
Web Store Status
Languages Support
English (United States)
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Permissions
Bookmarks
Storage
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YouTube Parts Looper & Bookmarker Extension

Sample Use Case
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Suppose a YouTube video is an album of 5 songs and you only want to listen to the 1st and the 3rd songs in it. Using this extension, you can specify the intervals (ranges) of those songs, and only those portions will be played.

Specifying Multiple Intervals
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An input box appears just below the video. There, you should specify the intervals as a comma separated list. Example: \"00:00-00:30, 5:00-5:30\" (without quotes) specifies two intervals, namely, the first 30 seconds and then the 30 seconds after the 5-minute mark. On clicking 'Apply', these intervals are played one after another.

To make it easier to specify the intervals, two buttons 'Start' and 'End' are provided. This is how you should use them: Click 'Start' at time xx:xx. Then click 'End' at time yy:yy. This will automatically copy the interval \"xx:xx - yy:yy\" into the input box. Repeat this to add several intervals.

Bookmarking
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You can also 'bookmark' the intervals that you have just applied (by clicking the 'Bookmark!' button). Next time you play the same video, those intervals are automatically loaded from bookmarks and only the corresponding portions are played. You can use this feature to essentially create a whole playlist of video segments (by first creating the playlist on YouTube, and then bookmarking the desired portions for individual videos in it).

Clicking the button 'All B.s' opens up a side pane where all the previously bookmarked interval lists are shown. If there are multiple lists for the same video, then the most recently added interval-list will load automatically. Here, you can also manually delete a bookmark.

Looping
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Finally, there's an option to play the sequence of portions on a loop.

Configurable Options (** NEW **)
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Click this extension's icon and click options. (Alternatively, go to 'Manage Extensions', click this extension's 'Details' and click 'Extension options'.) There you can configure the following:
1. Keyboard shortcuts for the Start and End buttons
2. Set looping as the default behavior
3. (Experimental feature) Allow up to 1 decimal place for seconds in the input. This will let you specify more granular intervals, like \"0:0 - 0:0.9\"

After saving the settings, refresh existing YouTube tabs if any, for the changes to reflect.

Miscellaneous
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- Timestamps can be in the hh:mm:ss format (e.g. \"00:00:00-1:00:00\" means the first 1 hour), or the mm:ss format, or just in seconds (\"0-3600\" also means the first 1 hour).
- Intervals are ordered by their starting time. Overlapping intervals are merged.
- This extension stores all the saved interval lists in a dedicated bookmarks directory called 'YoutubePartsBookmarks'. Ensure not to delete or modify it.

Thanks to users for providing valuable feedback.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 3, "name": "YouTube Parts Looper & Bookmarker", "version": "1.0.8.1", "description": "Play, loop & bookmark multiple portions of a YouTube video.", "permissions": [ "bookmarks", "storage" ], "icons": { "16": "images/icon16.png", "48": "images/icon48.png", "96": "images/icon96.png", "128": "images/icon128.png" }, "background": { "type": "module", "service_worker": "background.js" }, "content_scripts": [ { "matches": [ "*://www.youtube.com/*" ], "js": [ "utils.js", "popup.js", "content_ytparts.js" ], "run_at": "document_start" } ], "options_page": "options.html"}
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How to download and manually install YouTube Parts Looper & Bookmarker extension for Chrome

Looking for a way to install YouTube Parts Looper & Bookmarker extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install YouTube Parts Looper & Bookmarker extensions manually, this article outlines two simple methods to effortlessly install YouTube Parts Looper & Bookmarker extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download YouTube Parts Looper & Bookmarker extension and manually install through Drag &Drop

If you ever need to manually install a YouTube Parts Looper & Bookmarker extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the YouTube Parts Looper & Bookmarker Extension by clicking the "Download CRX" button on the website.

Look for the YouTube Parts Looper & Bookmarker extension you wish to install. Go to the website and download the YouTube Parts Looper & Bookmarker extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for YouTube Parts Looper & Bookmarker extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the YouTube Parts Looper & Bookmarker extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download YouTube Parts Looper & Bookmarker extension for Chrome and install in Developer Mode

This is another method to install YouTube Parts Looper & Bookmarker extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the YouTube Parts Looper & Bookmarker extension file

Select and download the YouTube Parts Looper & Bookmarker extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the YouTube Parts Looper & Bookmarker extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your YouTube Parts Looper & Bookmarker extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the YouTube Parts Looper & Bookmarker extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install YouTube Parts Looper & Bookmarker extension in 2 ways. We hope this guide proves helpful.

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