ReadLayer: automatic highlights in Web & PDF

Automatically highlights similar keywords or phrases on the web or PDFs

As of June 2026, ReadLayer: automatic highlights in Web & PDF has 184 users and a 4.25/5 rating from 4 reviews in the Productivity category.

Usersup 14.3 percent+14.3%
184
184
Ratingno change0%
4.25
4 reviews
Reviewsno change0%
4
Version
0.4.2
Manifest V3

History

3 snapshots

Tracking since Apr 1, 2026.

185.92172158.08Apr 1, 2026Jun 2, 2026
View as table
DateUsersRatingReviewsVersion
Apr 1, 20261614.2540.4.2
May 3, 20261604.2540.4.2
Jun 2, 20261774.2540.4.2
Now1844.2540.4.2

Permissions & access

Permissions
storageactiveTabcontextMenusdownloadswebNavigationalarms
Host access
<all_urls>

Screenshots

ReadLayer: automatic highlights in Web & PDF screenshot 1

About

Find information faster, while you browse! Add and classify keywords or phrases relevant to you.  Multi highlight. ReadLayer will highlight similar terms automatically each time you open a website or PDF.

Check the updates in our changelog: https://docs.readlayer.com/changelog

Features:

* Free
The free version of ReadLayer can be used standalone, and it includes a very complete and robust set of features:
• Multi-highlight, choose a color or assign it randomly
• Regular expressions (Regex)
• Similar terms: find similar phrases or terms, e.g., "fatally injured" also highlights "fatalities as a result of work-related injury", "Gartenstraße" also highlights "Gartenstrasse".
• Proximity: highlight only terms that are close to other terms - 1 or more (e.g., money values AND "Exxon")
• Highlights summary where you can navigate across the highlights
• You can display a note on a highlights when the mouse hovers on it
• Granular classification: add items to themes and activate/deactivate themes depending on you current research.
• Synonyms: each item can have more than one terms to represent it, e.g., "Jon Snow" and "King Crow" (the same person) are highlighted under the same item.
• Fine tune your search: case sensitivity, whole words, regex, diacritics sensitivity
• Support dynamic sites: highlights auto refresh on content changes (e.g., live news, online chat, etc.)
• Works in SVG text
• Multi-language
• Unlimited keywords, phrases or themes
• Import/Export your whole collection of terms in JSON
• Import terms from Excel file
• Export the highlights for easy processing
• Domain whitelisting/blacklisting: automatically highlight only the sites you want
• Add new items directly from the context menu
• No registration required
• Privacy: all your data is stored in your browser locally, only
• Privacy: all your collections are encrypted and compressed locally
• Sync your collections across your devices
• No ads, no noise
• Regular updates
• Free of charge

* Premium
ReadLayer Premium includes everything available for free, plus:
• Multi-highlighting in PDFs directly in your browser

Visit https://readlayer.com for more information, or the documentation at https://docs.readlayer.com.

Technical

Version
0.4.2
Manifest
V3
Size
5.55MiB
Min Chrome
88
Languages
1
Featured
Yes

Metadata

ID
lbgbannheedhlpkkemmimeilbobnkcca
Developer ID
u9e5ff4df1918bdd3ac43d17de2fc3295
Developer Email
[email protected]
Created
Nov 9, 2022
Last Updated (Store)
Apr 18, 2024
Last Scraped
Jun 2, 2026
Website
readlayer.com

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Data sourced from the Chrome Web Store · last verified Jun 2, 2026.