Back يوبلوك أوريجن Arabic UBlock Origin Azerbaijani UBlock Origin BS UBlock Origin Catalan UBlock Origin Czech UBlock Origin German UBlock Origin Greek UBlock Origin Spanish UBlock Origin Finnish UBlock Origin French
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 uBlock Origin pop-up interface | |
| Original author(s) | Raymond Hill (gorhill) |
|---|---|
| Developer(s) | Current: Raymond Hill Past: Deathamns, Chris Aljoudi, Alex Vallat[1] |
| Initial release | June 23, 2014[2] |
| Stable release | 1.64.0[3]
/ 13 May 2025 |
| Repository | |
| Written in | JavaScript |
| Operating system | Cross-platform |
| Predecessor | HTTP Switchboard and uMatrix |
| Available in | 72[4] languages |
| Type | Browser extension |
| License | GPLv3 |
| Website | github |
uBlock Origin (/ˈjuːblɒk/ YOO-blok[5]) is a free and open-source browser extension for content filtering, including ad blocking. The extension is available for Firefox and Chromium-based browsers (such as Chrome, Edge, Brave, and Opera).[6]
uBlock Origin is actively developed and maintained by its creator and lead developer Raymond Hill and the open source community.[1] As of April 2025[update], the Chrome version of uBlock Origin had over 29 million active users and the Firefox version had over 9 million active users, making it the most popular extension on Firefox.[7][8]
- ^ a b "Contributors to gorhill/uBlock". GitHub. Retrieved December 4, 2019.
- ^ "Changelog for the first versions". GitHub. Retrieved December 4, 2019.
- ^ "Release 1.64.0". Retrieved May 14, 2025.
- ^ "Completed translations". Crowdin.com. Retrieved May 16, 2024.
- ^ "uBlock Origin: README.md". uBlock GitHub Repository. December 25, 2022 – via GitHub.
pronounced you-block origin (/ˈjuːˌblɒk/)
- ^ "uBlock / README.md". GitHub. Retrieved December 4, 2019.
- ^ "uBlock Origin Chrome". chrome.google.com. Retrieved April 27, 2025.
- ^ "Search results for Firefox Browser add-ons". Firefox Browser Add-ons. Mozilla Foundation. Retrieved April 27, 2025.
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