Opera browser required.
- This extension can access your data on all websites.
- This extension will manage your extensions.
- This extension can exchange messages with programs other than Opera.
- This extension can access your tabs and browsing activity.
Screenshot
About the extension
- Downloads
- 71,068
- Category
- Developer Tools
- Version
- 3.2.9
- Size
- 11.3 KB
- Last update
- 18 Jul 2025
- Licence
- Privacy policy
- Service website
- https://help.kontur.ru
- Support page
- https://help.kontur.ru
Related
-
DomainUserAgent
This extension changes the UserAgent sent by your browser on a per-domain base. You can set up a different UserAgent for a specific domain, but still use the default one otherwise.
-
Web Developer
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.
-
Open in Pale Moon
Open current page, link, or all tabs in the Pale Moon browser.
-
PX to REM and REM to PX
PX / REM bidirectional converter
-
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.