--- title: "Buster: Captcha Solver for Humans – Chrome extension stats, history and permissions" description: "700,000 users, rated 3.79 by 925 people. Version 3.4.0, updated 2026-06-20. Requests 9 permissions." url: "https://extensiontracker.com/extension/mpbjkejclgfgadiemmefgebjfooflfhl" --- # Buster: Captcha Solver for Humans Live in the Chrome Web Store. - Users: 700,000 - Rating: 3.79 from 925 ratings - Last checked: 2026-11-12 19:59 UTC - Users gained in 7 days: No change - Users gained in 30 days: −100,000 (-12.5%) - Rank by users: #373 of 292,125 live extensions - Rank in Tools: #65 of 115,633 ## The listing What the Chrome Web Store shows, as of the last check. Summary from the listing: > Save time by asking Buster to solve CAPTCHAs for you. - Extension ID: `mpbjkejclgfgadiemmefgebjfooflfhl` - Developer: [Armin Sebastian](https://extensiontracker.com/developer/uffe0be7d28562c67a7ecc39c743b6e71) - Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing)) - Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools) - First published: 2018-12-09 - Last updated: 2026-06-20 - Version: `3.4.0` - Size: 6.57 MiB - Minimum Chrome: 123 - Languages (1): English - Website: `armin.dev` - Support page: `https://github.com/dessant/buster/issues` - Chrome Web Store: - View its code or download CRX: - Search Google for the ID: ## Users over time One row per check, newest first, as shown on the Chrome Web Store. | Checked | Users | Rating | Ratings | | --- | ---: | ---: | ---: | | 2026-11-12 | 700,000 | 3.79 | 925 | | 2026-11-05 | 700,000 | 3.79 | 925 | | 2026-10-28 | 800,000 | 3.79 | 925 | | 2026-10-21 | 800,000 | 3.79 | 925 | | 2026-10-14 | 800,000 | 3.71 | 924 | | 2026-10-07 | 800,000 | 3.85 | 924 | | 2026-09-30 | 800,000 | 3.85 | 923 | | 2026-09-27 | 800,000 | 3.85 | 923 | ## What changed Every change found on a check, newest first. No changes found since tracking began on 2026-09-27. ## 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 2026-09-27. We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/). ## What it can access From the extension's manifest, in plain language. **Every website:** it can read and change your data on all the sites you visit. ### Sites - ``: 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 - `declarativeNetRequest`: Block or change network requests, using rules - `nativeMessaging`: Talk to programs installed on your computer - `notifications`: Show notifications - `offscreen`: Open a hidden page for background work - `scripting`: Run scripts on sites it can reach - `storage`: Save settings and data in your browser - `webNavigation`: Follow your browsing, page by page - `webRequest`: Watch network requests on the sites it can reach ## More from this developer Other extensions from the same publisher account. | Extension | Users | Rating | Ratings | Category | | --- | ---: | ---: | ---: | --- | | [Search by Image](https://extensiontracker.com/extension/cnojnbdhbhnkbcieeekonklommdnndci) | 300,000 | 3.64 | 545 | Tools | | [Web Archives](https://extensiontracker.com/extension/hkligngkgcpcolhcnkgccglchdafcnao) | 50,000 | 4.83 | 59 | Tools | | [Clear Browsing Data](https://extensiontracker.com/extension/bjilljlpencdcpihofiobpnfgcakfdbe) | 20,000 | 4.08 | 37 | Developer Tools | | [Video Quality Settings for YouTube™ (HD/4K)](https://extensiontracker.com/extension/hlbopkdbimgihmpcaohopplcbpanmjlb) | 10,000 | 3.93 | 55 | Tools | | [Autoplay Settings for YouTube™](https://extensiontracker.com/extension/aogbgdnkcjgamgglpikcenliinchedel) | 6,000 | 3.05 | 37 | Tools | | [Scroll Zoom](https://extensiontracker.com/extension/ccfomhdaagemnbhbpminjoggkbglmcgb) | 3,000 | 4.14 | 29 | Accessibility | | [Ping Blocker](https://extensiontracker.com/extension/jkpocifanmihboebfhigkjcdihgfcdnb) | 1,000 | 5.00 | 5 | Privacy & Security | All 8 extensions by [Armin Sebastian](https://extensiontracker.com/developer/uffe0be7d28562c67a7ecc39c743b6e71). ## 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 2026-11-12 19:59 UTC; next check around 2026-11-20. How the data is collected: . ## Cite this page 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} } ``` --- From Extension Tracker, a public record of the Chrome Web Store: . It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (), crediting Extension Tracker. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.