How to sort a huge Watch Later list by length for playlist hoarders in 2026

Q: Which browsers work with YTSort?

The YTSort extension needs Chrome or Edge. The script version works in any browser, including Firefox, with Tampermonkey, Violentmonkey, or Greasemonkey installed. A bookmark that runs the tool is another available option. Choose the method that matches the browser you use and check its installation instructions before starting.

Learn how to sort a huge YouTube Watch Later list by video length, check the new order, and choose a manual method or YTSort.

By XP Daily · 2026-10-27

XP Daily is published by the makers of DaysAid, QuickDictate and YTSort, which are compared here alongside other tools.

To sort a huge Watch Later list by video length, start with a playlist you own, choose a method that can handle its full contents, and arrange videos from shortest to longest or longest to shortest. A paper list or spreadsheet can help with manual sorting. YTSort is a free browser tool that reorders a YouTube playlist you own by video length, shortest or longest first. ^[1]

Option	How it handles video length	Playlist changes	Cost information
Paper list or sticky note	Rank titles and durations by hand	Apply the order separately	Depends on what you already own
Spreadsheet	Sort a column containing video durations	Apply the resulting order separately	Check the chosen app's details
YTSort	Reorders a YouTube playlist you own by video length, shortest or longest first ^[1]	Changes the playlist order and checks the result ^[1]	Free, with the same features across install options ^[1]

What you need before you start

A huge Watch Later list can be difficult to manage when short clips, long talks, tutorials, and videos saved for another day all sit together. Before sorting, decide whether the goal is to clear quick videos first or reserve longer videos for a dedicated session.

A playlist you own. Check that the playlist belongs to your account before changing its order. YTSort reorders a YouTube playlist you own by video length. ^[1]
A sorting goal. Choose shortest first if you want to fit videos into short breaks, or longest first if you want extended videos near the top.
A way to review the list. Keep track of titles and durations so you can spot videos that belong together or deserve special attention.
A browser. You can sort by hand or use a browser tool. YTSort offers a bookmark, a browser script, and a Chrome Web Store extension. ^[1]
Time to check the result. A changed order can affect how you work through saved videos. Review the proposed sequence before applying it when your chosen method allows that.

A large list does not need to be cleared before sorting. Start by choosing a method that suits the size of the playlist and the amount of manual work you want to do.

Step by step

These steps work whether you sort by hand or use a tool.

Open Watch Later. Confirm that you are looking at the playlist you want to organize. If you plan to change its order, make sure you can edit the playlist.

Choose the direction. Shortest to longest puts brief videos first. Longest to shortest puts extended videos first. Pick the direction that matches how you expect to watch the saved material.

Decide how to handle a very large list. Manual sorting requires a way to track video titles and durations. If you use a tool, check whether it can process the whole playlist instead of only the videos currently shown on screen. YTSort sorts the full playlist, not just the videos loaded on screen. ^[1]

Choose a sorting method. For a manageable list, you can record titles and durations in a spreadsheet and sort the duration column. For a large list, consider a tool that can reorder the playlist directly rather than making you move every video individually.

Keep related videos in mind. A duration-based order does not account for whether one video explains another. If several videos form a lesson series or a sequence you want to follow, note that before changing the order.

Preview the result. Read the proposed order before applying it, if your method supports a preview. YTSort shows the before and after order so you can check it before applying. ^[1]

Apply the new order. Follow the instructions for your chosen method. YTSort reorders videos by sending requests to YouTube's own system using your existing session, with no dragging or scrolling. ^[1]

Check the finished playlist. Confirm that the videos appear in the intended direction. After sorting, YTSort reads the playlist back from YouTube and re-applies any moves that did not stick. ^[1]

Start watching from the top. Use the new order to choose a video that fits the time available. If the sequence is not helping, review the order and decide whether another arrangement would be more useful.

Tools that can do it

You do not need a browser tool to organize saved videos. The main choice is between keeping a manual record and using a method that changes the playlist itself.

Paper list or sticky note. Write down video titles and durations, then rank them by hand. This gives you a visible list to work from, but you need to record the videos yourself and apply any playlist changes separately.

A spreadsheet. Put video titles in one column and durations in another, then sort by duration. This can help you inspect a long list in one place. You still need to gather the information and decide how to apply the resulting order to YouTube. Check the spreadsheet app's own details for available features and costs.

YTSort. YTSort is made by the team that publishes this site, XP Daily. It is one option for reordering a YouTube playlist you own by video length, shortest or longest first. ^[1] It can show the proposed order before applying it, sort videos within a chosen length range, and move videos outside that range to the end. ^[1] ^[1]

YTSort also shows the playlist's total, average, shortest, and longest video duration. ^[1] It can export each video's position, title, duration, and URL to a CSV file, which can help you keep a separate record of a large collection. ^[1]

You can get YTSort as a bookmark that runs it, a browser script, or a Chrome Web Store extension. ^[1] The extension needs Chrome or Edge. ^[1] The script version works in any browser, including Firefox, with Tampermonkey, Violentmonkey, or Greasemonkey installed. ^[1] YTSort is free, and all install options include the same features. ^[1]

Before choosing, check whether your preferred method can handle the full playlist, whether you can inspect the proposed order, and whether you want to keep a separate list of titles and durations.

Common mistakes to avoid

Sorting without choosing a direction. Shortest first and longest first solve different problems. Decide which videos should appear near the top before applying an order.

Assuming the visible videos are the whole list. A long playlist may extend beyond what is currently shown on screen. Check whether your method handles the full playlist. YTSort sorts the full playlist, not just the videos loaded on screen. ^[1]

Changing the order before reviewing it. Duration alone cannot tell you whether a video belongs before another one in a course or series. Preview the order where possible and identify any videos that need to remain together.

Forgetting videos outside a chosen range. If you filter by duration, decide where the remaining videos should go. YTSort can move videos outside the selected length range to the end. ^[1]

Keeping no record of the collection. A separate list can help you review titles and durations without relying on the playlist's current order. YTSort can export video positions, titles, durations, and URLs to a CSV file. ^[1]

Choosing a method without checking browser requirements. The available YTSort options have different installation requirements. Check which browser and supporting script manager are needed before choosing an option. ^[1]

Frequently asked questions

How can a huge YouTube Watch Later list be sorted by length?

Choose whether to put the shortest or longest videos first, then use a manual list, a spreadsheet, or a browser tool. Manual methods require recording video durations and applying the order separately. YTSort can reorder a YouTube playlist you own by video length, shortest or longest first. ^[1] Check the proposed order before applying changes whenever your chosen method allows it.

Can YTSort sort a huge YouTube playlist all at once?

YTSort sorts the full playlist rather than only the videos loaded on screen. ^[1] It reorders videos by sending requests to YouTube's own system using your existing session, without dragging or scrolling. ^[1] After sorting, it reads the playlist back and re-applies moves that did not stick. ^[1]

Can YTSort show the new playlist order before applying it?

Yes. YTSort shows the before and after order so you can check the proposed arrangement before applying it. ^[1] This gives you a chance to review whether related videos still make sense together and whether the chosen direction matches your plans. For a manual list or spreadsheet, read through the resulting order before making separate changes to the playlist.

Is YTSort free to use?

Yes. YTSort is free, and all its install options include the same features. ^[1] It is also open-source software under the GPL-2.0-only licence. ^[1] The available options are a bookmark that runs the tool, a browser script, and a Chrome Web Store extension. ^[1] Check the browser requirements before choosing an installation method.

Which browsers work with YTSort?

The YTSort extension needs Chrome or Edge. ^[1] The script version works in any browser, including Firefox, with Tampermonkey, Violentmonkey, or Greasemonkey installed. ^[1] A bookmark that runs the tool is another available option. ^[1] Choose the method that matches the browser you use and check its installation instructions before starting.

YTSort is free; all install options include the same features. ^[1]

Try YTSort

Sources

YTSort's own description of itself (the product of this site's publisher)