---
title: "TubeSplit A/B Testing for YouTube Thumbnails – Chrome extension stats, history and permissions"
description: "224 users, rated 5.00 by 1 person. Version 1.0.11, updated 2023-08-23. Requests 3 permissions."
url: "https://extensiontracker.com/extension/bchflhcinkaboeimpkcdmkjkldanljhh"
---

# TubeSplit A/B Testing for YouTube Thumbnails

Live in the Chrome Web Store.

- Users: 224
- Rating: 5.00 from 1 rating
- Last checked: 2026-09-26 22:13 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #47,754 of 264,702 live extensions
- Rank in Workflow & Planning: #11,104 of 44,474

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Better A/B Testing for YouTube Thumbnails!

- Extension ID: `bchflhcinkaboeimpkcdmkjkldanljhh`
- Developer: [Krager Labs](https://extensiontracker.com/developer/u726ec69e5af6a58b8390848b34a4839b)
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2022-10-06
- Last updated: 2023-08-23
- Version: `1.0.11`
- Size: 500 KiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `tubesplit.com`
- Support page: `https://tubesplit.com/terms-of-service`
- Chrome Web Store: <https://chromewebstore.google.com/detail/tubesplit-ab-testing-for/bchflhcinkaboeimpkcdmkjkldanljhh>
- View the code or download the CRX, in CRX Peek: <https://crxpeek.com/?id=bchflhcinkaboeimpkcdmkjkldanljhh>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-26 | 224 | 5.00 | 1 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-26.

## What it can access

From the extension's manifest, in plain language.

### Sites

- `*://studio.youtube.com/*`: studio.youtube.com
- `*://tubesplit.com/*`: tubesplit.com
- `*://tubesplit.test/*`: tubesplit.test

### Sites where it runs scripts

- `*://tubesplit.com/*`: tubesplit.com
- `*://tubesplit.test/*`: tubesplit.test
- `https://studio.youtube.com/channel*`: studio.youtube.com
- `https://studio.youtube.com/video/*`: studio.youtube.com

### Asked for later, if you agree

- `*://channel/*`: channel

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Thumbnails.com - Thumbnail ideas for YouTubers](https://extensiontracker.com/extension/agflcfcjnkbhchhpannnkcccnckjjnlj) | 37 | 5.00 | 1 | Art & Design |

All 2 extensions by [Krager Labs](https://extensiontracker.com/developer/u726ec69e5af6a58b8390848b34a4839b).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-26 22:13 UTC; next check around 2026-10-01.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “TubeSplit A/B Testing for YouTube Thumbnails” (bchflhcinkaboeimpkcdmkjkldanljhh). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/bchflhcinkaboeimpkcdmkjkldanljhh. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_bchflhcinkaboeimpkcdmkjkldanljhh,
  title   = {TubeSplit A/B Testing for YouTube Thumbnails (bchflhcinkaboeimpkcdmkjkldanljhh)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/bchflhcinkaboeimpkcdmkjkldanljhh},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/bchflhcinkaboeimpkcdmkjkldanljhh>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.