Highlight This: finds and marks words

Name: Highlight This: finds and marks words
Rating: 3.795620437956204 (411 reviews)
Author: https://highlightthis.net

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

Download

Install Compare

Highlight This is a powerful Chrome extension that automatically searches for and highlights specified words and phrases on any webpage. Users can organize their search terms into customizable lists, employ advanced Regular Expressions (Regex), and sync these lists between browsers, all without any registration needed. The extension stores all data locally, preserving privacy while ensuring lightning-fast performance.

Featuring auto-refresh capabilities, Highlight This updates highlights dynamically on page reloads and content changes, including shadow DOM and Ajax-loaded content. Users can customize highlight styles with color coding, bold, italic, underline, rounded corners, padding, shadows, and can even define click actions for highlighted words. The extension supports importing/exporting settings and lists, disabling highlights on select sites, and loading word lists from Google Sheets or Pastebin. Available in free and paid versions with unlimited words and additional features, Highlight This offers a seamless and efficient keyword highlighting experience for research, reading, and web navigation.

Extension Productivity Developer Tools Accessibility

By:

https://highlightthis.net

Users:

100,000

Rating:

3.80

(411) 3 new ratings

Version:

6.3.11 Last updated: 2024-09-02

Creation date:

2020-06-15

Risk:

Permissions:

tabs
contextMenus
notifications
alarms
storage
offscreen

Size:

4.25MB

Email:

hi*****@deboel.eu

URLs:

Website

Full description:

Source:

Chrome Web Store

Data ingested on:

2025-07-16

Ranking

# 1,642 ▲ 7

Other rankings

#214 in Education

#28 in define keyword 3 ▼ 5

#107 in iframe keyword 11 ▼ 2

#116 in definition keyword 35 ▼ 7

#151 in keyword keyword 63 ▼ 26

Upgrade to see more rankings

Other platforms

Highlight This: finds and marks words (v5.2)

2,403 4.11

(76)

User reviews

This extension is praised for its effective highlighting functionality, customization, speed, and ability to manage large sets of highlights across browsers. However, many users face significant issues with the limited free version and subscription activation, leading to dissatisfaction with support. Other common complaints include the absence of source references in highlight lists and occasional display or compatibility glitches. Despite these drawbacks, users find it generally useful and superior to alternatives.

Pros

Highly useful for highlighting words and phrases across different web pages.
Works well with various browsers including Brave and Chrome OS.
Allows creation of multiple lists and extensive customization options.
Performs well even with hundreds of highlights, providing fast execution.
Supports syncing with external tools like Google Spreadsheets for keeping highlight lists updated.

Cons

Free tier has very restrictive limits making it barely usable without payment.
Paid version requires a subscription and product key, which some users report issues receiving or activating, leading to frustration and claims of poor customer support.
Lack of direct links or references from highlight list back to original source location is inconvenient.
Visual appearance issues like borders on highlighted words can be distracting.
Incompatibility or glitches on specific platforms or websites (e.g., LinkedIn, editable text boxes) causing unexpected behavior.

Recent reviews

Used to be great, but now you can only highlight 200 words without paying an annual subscription. I'm not paying an annual subscription for a browser extension.

Mo*****, 2025-07-15

works great as of now

ja*****, 2025-07-14

Dear author, I beg you, please update the version of the extension for the Mozilla Firefox browser. 🙏

Ро*****, 2025-07-14

View all user reviews ›

Extension safety

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Highlight This: finds and marks words requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
Medium ******* ******* ************* ***** *** ** ******* *** **** ******* ****** ******** *******

Risk likelihood

Risk likelihood measures the probability that a Chrome extension may turn malicious. This is determined by the publisher and the Chrome extension reputation on Chrome Web Store, the amount of time the Chrome extension has been around, and other signals about the Chrome extension. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Chrome extension.

Highlight This: finds and marks words has earned a good reputation and can be trusted.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
Good **** ********* ** ****** ** ********
Good **** ********* *** **** **** *******