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Preview of SelectON — selection popup. Copy & search

SelectON — selection popup. Copy & search by emvaized

Customizable popup with actions on text selection, just like in Opera browser

4.8 (53 reviews)4.8 (53 reviews)
363 Users363 Users
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Extension Metadata

Screenshots
Selection handles to edit text selectionCustom search optionsCurrency conversion on the flyIcons-only modeLive translation of the selected textMeasure units conversionCustomizable appearance
About this extension
● Copy or search any text in one click, just like in Opera browser
● Currency converter (supports 30+ currencies and 10+ crypto currencies)
● Basic units converter (metric/imperial)
● Contextual buttons depending on selected text, such as 'Open link', 'Translate', 'Show on map', CSS color preview and more
● Smart selection feature — automatic snapping by words, so you'll never lose that last letter again
● Customizable appearance for the tooltip, and ability to set custom text selection color
● Selection handles, which allow to quickly edit text selection
● Live translation of the selected text on hovering the "Translate" button
● Dictionary button, which fetches definition from Wikipedia on hover
● Highlighter button, which allows to highlight specific text on page
● Instant word and symbols count in the text selection
...and many more

SelectON does not collect, store or share any personal data, and will always remain open-source as a guarantee of it. If you want to financially support the project, you can find the Ko-Fi link on GitHub page or in the extension options.
Rated 4.8 by 53 reviewers
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Permissions and dataLearn more

Required permissions:

  • Get data from the clipboard
  • Display notifications to you
  • Access your data for all web sites

Optional permissions:

  • Access your data for sites in the wikipedia.org domain
  • Access your data for translate.googleapis.com
  • Access your data for api.exchangerate.host
  • Access your data for min-api.cryptocompare.com
More information
Add-on Links
  • Support site
  • Support Email
Version
3.9.8
Size
154.56 kB
Last updated
4 days ago (4 Aug 2025)
Related Categories
  • Search Tools
  • Tabs
Licence
MIT Licence
Version History
  • See all versions
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Release notes for 3.9.8
  • Updated style of Translate and Dictionary hover popups
  • Fixed search buttons in the main panel getting color inverted
  • Fixed text field panel reappearing after button click
  • Improvements for Dictionary button hover popup
  • Improved dates detection for the Calendar button
  • Improved compatibility with other extensions and websites
  • Renamed CSS selectors from "selection-" to "selecton-" for better compatibility
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