Highlight This: finds and marks words icon

Highlight This: finds and marks words

by Wim Deboel · highlightthis.net · Education
FeaturedEstablished publisherManifest V3 in_app
View in Chrome Web Store Data as of 15 Oct 2026

Automatically finds and highlights words and phrases on the web page according to your list

Users
100K
0 in 30 days
Rating
3.7 / 5
−0.12 in 30 days
Ratings
432
0 in 30 days
Store rank
#1,772
#1,548 among extensions
Version
6.3.12
updated 22 Mar 2026

Users

monthly, 3 years
30K65K100KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 100,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
100266432Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 432 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Highlight This: finds and marks words

- No registration required - Organize your search words in groups and lists - Use Regular Expressions (Regex tokens) - All data stored locally - Auto-refreshes highlights on page reload and content changes - Unlimited words and lists - Synchronise lists between your browsers Highlight This! comes: - as a Free version, limited to 200 words and limited highlighting styles - an Unlimited version with affiliate partner link highlighting https://highlightthis.net/PartnerLinks.html - 2 paid versions. Easy to use Chrome Extension that automatically searches for defined words in the current browser tab and marks them in a text. Many more advanced features available through settings: - Create color-coded keyword lists - Disable highlighting on certain sites - Export or import your settings and keyword lists - Define click action - Use lists from Pastebin, Google Sheets Privacy Statement: https://highlightthis.net/Privacy.html EULA: https://highlightthis.net/EULA.pdf ** New in 6.3.10 - Fix: Issue with lookbehind regex ** New in 6.3.8 - Fix: Issue when extending license information ** New in 6.3.8 - Fix: Minor fix in detecting words after, or before, a forward-slash ** New in 6.3.7 - Fix: Minor fix in detecting words after lower quotation marks - Fix: Incorrect highlighting with Regular Expressions that contain \b ** New in 6.3.6 - Fix: lists are not sorted anymore - Fix: breaking highlights due to specific control for "flex" containers ** New in 6.3.4 - Fix: an issue with sequence of Regex words - Fix: an issue with invalid characters in a wordlist - New: You can now order lists of words to give priority in highlighting if there are duplicate words ** New in 6.3.3 - Fix: Complete words are not always correctly highlighted ** New in 6.3.2 - Improved: Word breaking symbols list has been extended ** New in 6.3.1 - Fix: zip file issue when installing extension ** New in 6.3 - New: Better support for languages which have no spaces or punctuation between words - New: Better support for languages with diacritics - Fixed: Sync with Google Sheets has been fixed ** New in 6.2.3 - New: You can now put a border around input fields if there is a matching word inside ** New in 6.2.2 - Fixed: a performance issue ** New in 6.2.1 - Fixed: an issue with highlighting in shadow-root elements ** New in 6.2 - New : Improved performance on large webpages - Fixed: an issue whereby words could disappear while filtering the list of words ** New in 6.1 - New: Make backups automatically - New: Open clicks on highights in new window or current tab ** New in 6.0.10 - Fixed: an issue with highlighting of web components - Fixed: an issue with look behind regular expressions ** New in 6.0.9 - New: Now also highlighting in Shadow DOM ** New in 6.0.8 - Fixed: an issue whereby lists cannot be opened to edit - Fixed: an issue on LinkedIn jobs ** New in 6.0.6 - Fixed: highlighting on Single Page Apps - New: Form to send a bug to the developer ** New in 6.0.5 - Fixed: issue with corrupted synchronized lists which breaks the rendering of the lists ** New in 6.0.4 - Fixed: issue with restoring backups - New: ability to reset all data and settings ** New in 6.0.1 - Fixed: issue with transforming Synchronized lists ** New in 6.0.0 - Extra styles for highlighting : Bold, Italic, Underline - Ability to change highligting by selecting rounded corners, padding, shadow - Ability to define a zone on a page for highlighting - Switch to Manifest v3, which better protects user security - Subscriptions - Fixed: speed of editor - Fixed: various small issues with remote lists ** New in 5.3.6 - Fixed: an issue with scrolling to highlight tags ** New in 5.3.5 - Fixed: Performance issues ** New in 5.2 - Define click actions for highlighted words - Support for loading words from Google Sheets - Define download frequency for remote lists - Fixed: Negative reverse lookup regex - Fixed: Issue with Highlight overview - Fixed: Issue with download button ** New in 5.1 - Support for case sensitive matching - Manage words from context menu ** New in 5.0 - New editor to manage your words (filter, select, delete, move) - Support for Regex tokens ** Define words ** Easily specify words and phrases you want to be highlighted. ** Highlighting ** Highlights the words and phrases on the page Shows how many words have been highlighted ** Works on Ajax pages ** The extension detects changes to the page and re-highlights the words.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%0−0.12
30 days0+0.0%0−0.12
6 months0+0.0%+7−0.14
1 year0+0.0%+12−0.14

Chrome Web Store search rankings

Where Highlight This: finds and marks words appears when people search the store, with the 30 day change
Search phrasePosition30 days
define#69−18

Version history

39 versions recorded
6.3.1222 Mar 2026
6.3.112 Sep 2024
6.3.912 Jun 2024
6.3.85 May 2024
6.3.724 Mar 2024
6.3.610 Mar 2024
6.3.48 Mar 2024
6.3.319 Feb 2024

Details

Category
Education
First seen
15 Jun 2020
Size
4.2 MB
Languages
en, nl, es, fr, ru
Pricing
in_app
Extension ID
fgmbnmjmbjenlhbefngfibmjkpbcljaj

Permissions and risk

Minimal riskimpact 3, likelihood 0
Permissions
tabscontextMenusnotificationsalarmsstorageoffscreen

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