Extension Tracker

Buster: Captcha Solver for Humans

700,000 users Rated 3.79 from 925 ratings Last updated 20 Jun 2026

By Armin Sebastian Live in the Chrome Web Store mpbjkejclgfgadiemmefgebjfooflfhl Search Google ↗ Last checked 12 Nov 2026, 19:59 UTC

The listing

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

Save time by asking Buster to solve CAPTCHAs for you.Summary from the listing
Developer
Armin Sebastian
Enhanced Safe Browsing
Trusted. What this means →
Category
Productivity › Tools
First published
9 Dec 2018
Last updated
20 Jun 2026
Version
3.4.0
Size
6.57 MiB
Minimum Chrome
123
Languages
1 language

English

Website
armin.dev
Support page
https://github.com/dessant/buster/issues
See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store
700K750K800KTracking began 27 Sep 202627 Sep4 Oct11 Oct18 Oct25 Oct1 Nov8 Nov2026-09-27: 800,000 users2026-09-30: 800,000 users2026-10-07: 800,000 users2026-10-14: 800,000 users2026-10-21: 800,000 users2026-10-28: 800,000 users2026-11-05: 700,000 users2026-11-12: 700,000 users700,000700K750K800KTracking began27 Sep18 Oct8 Nov2026-09-27: 800,000 users2026-09-30: 800,000 users2026-10-07: 800,000 users2026-10-14: 800,000 users2026-10-21: 800,000 users2026-10-28: 800,000 users2026-11-05: 700,000 users2026-11-12: 700,000 users700K
Average rating
3.703.8027 Sep11 Oct25 Oct8 Nov3.793.703.8027 Sep18 Oct8 Nov3.79
Number of ratings
92094027 Sep11 Oct25 Oct8 Nov92592094027 Sep18 Oct8 Nov925
New version One point per check. Source: the extension's public Chrome Web Store listing.
Show the numbers
CheckedUsersRatingRatings
2026-11-12700,0003.79925
2026-11-05700,0003.79925
2026-10-28800,0003.79925
2026-10-21800,0003.79925
2026-10-14800,0003.71924
2026-10-07800,0003.85924
2026-09-30800,0003.85923
2026-09-27800,0003.85923
Users, 7 days
No change
since a week ago
Users, 30 days
−100,000
-12.5%
Rank
#373
by users, of 292,130 extensions
In its category
#65
of 115,640 in Tools

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

Developer history

Moves to another publisher account and new contact emails, newest first

No move to another account and no new contact email since tracking began on 27 Sep 2026.

We know contact emails only by a keyed hash, so they're never shown. Recent account and contact changes →

What it can access

From the extension's manifest, in plain language

Every websiteIt can read and change your data on all the sites you visit.
Sites
  • <all_urls>Every website
Sites where it runs scripts
  • http://127.0.0.1/buster/setup?session=*127.0.0.1
  • https://google.com/recaptcha/api2/bframe*google.com
  • https://google.com/recaptcha/enterprise/bframe*google.com
  • https://recaptcha.net/recaptcha/api2/bframe*recaptcha.net
  • https://recaptcha.net/recaptcha/enterprise/bframe*recaptcha.net
  • https://www.google.com/recaptcha/api2/bframe*www.google.com
  • https://www.google.com/recaptcha/enterprise/bframe*www.google.com
  • https://www.recaptcha.net/recaptcha/api2/bframe*www.recaptcha.net
  • https://www.recaptcha.net/recaptcha/enterprise/bframe*www.recaptcha.net
Browser features
  • declarativeNetRequestBlock or change network requests, using rules
  • nativeMessagingTalk to programs installed on your computer
  • notificationsShow notifications
  • offscreenOpen a hidden page for background work
  • scriptingRun scripts on sites it can reach
  • storageSave settings and data in your browser
  • webNavigationFollow your browsing, page by page
  • webRequestWatch network requests on the sites it can reach

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
Search by Image300,000 3.64545 Tools
Web Archives50,000 4.8359 Tools
Clear Browsing Data20,000 4.0837 Developer Tools
Video Quality Settings for YouTube™ (HD/4K)10,000 3.9355 Tools
Autoplay Settings for YouTube™6,000 3.0537 Tools
Scroll Zoom3,000 4.1429 Accessibility
Ping Blocker1,000 5.005 Privacy & Security
All 8 extensions by Armin Sebastian →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 12 Nov 2026, 19:59 UTC; next check around 20 Nov 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Buster: Captcha Solver for Humans” (mpbjkejclgfgadiemmefgebjfooflfhl). Chrome Web Store data, last checked 2026-11-12. https://extensiontracker.com/extension/mpbjkejclgfgadiemmefgebjfooflfhl. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_mpbjkejclgfgadiemmefgebjfooflfhl,
  title   = {Buster: Captcha Solver for Humans (mpbjkejclgfgadiemmefgebjfooflfhl)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-12},
  url     = {https://extensiontracker.com/extension/mpbjkejclgfgadiemmefgebjfooflfhl},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

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