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Underline Chrome Extension Analysis

AI & Writing Assistants

Chrome extension ID: ogdfpjfkomoeoodbemmkloabcjkmmbol

A language learning extension that allows users to translate words on a webpage, listen to pronunciation, and save them as flashcards. The saved words are synchronized with a mobile application for structured review and learning.

Developer:Underline
Version:0.1.33
Size:503KiB
Last updated:
View developer profile
External:Chrome Web StoreOfficial website

Overview

Installs

688

Rating

★ 4.9

15 reviews

Languages

4 locales

Includes English, English (United Kingdom), English (United States), polski

Market analysis

Review-backed positioning, friction, and market signals for this Chrome extension.

Backed by review samples

Macro category

AI & Writing Assistants

Pricing friction

Low review signal

Complaint intensity

Low review signal

Listing & review signals
Observed signals from store listing text and review samples.

Listing positioning

Underline positions itself as a tool to expand vocabulary by integrating translation and flashcard creation directly into the web browsing experience. It emphasizes a seamless ecosystem that connects a browser extension with a companion mobile app for studying.

Inferred product pattern

Browser-to-mobile synchronization for personalized language acquisition.

Review-backed pain points

Users have reported that the extension does not work when attempting to translate words within PDF files.

Observed feature gaps

Absence of functionality for PDF documents and limited language support (e.g., request for Persian).

Tags
Language LearningVocabulary BuilderFlashcardsTranslation ToolStudy Aid
Target users

- Language learners

- Students

- Professionals reading foreign technical articles

Primary use cases

- Translating unfamiliar words while browsing

- Building a personalized vocabulary database

- Studying saved words via mobile flashcards

Positive themes

- Ease of use

- Effective contextual translations

- Seamless mobile app synchronization

- Utility for technical reading

Negative themes

- Lack of PDF support

Observed friction

- No current pricing friction observed, though some users express a desire for the tool to remain free.

Evidence boundary: Extracted from the Chrome Web Store listing and 10 provided user review samples. Small review sample size and lack of explicit monetization details in the store listing.
Complaint summaries
Review-backed complaint signals grouped by operational area.

Support

No support or account-related complaints found in the provided review samples.

Reliability

The extension is reported to be non-functional on PDF pages.

Privacy

No privacy or security complaints observed.

Access & pricing

- No clear monetization signal

- Account required for core usage

- Free plan or free usage claimed

Store listing facts

Listing assets

- Screenshots: 3

- Videos: 1

- Languages: 4

Trust signals

- Privacy policy

- Developer contact

- Official website

Store metadata

- Version: 0.1.33

- Size: 503KiB

- Last updated:

Listing SEO keywords

Search intent keywords
Keyword signals for evaluating how users may discover, compare, or search for this extension category.

Core discovery

language learning extensionvocabulary builder chromewebpage translator flashcards

Comparison

Underline vs Google Translatebest browser extension for vocabulary

Problem

how to save new words from weblearn foreign language while browsing

Alternative

Underline alternativevocabulary flashcard extension

Similar extensions

Jump to related discovery paths:

More in educationMore from this developer

Screenshots

Underline screenshot
Underline screenshot
Underline screenshot

Links

Website: getunderline.io

Privacy policy: https://docs.google.com/document/d/1kKOyWmcThexpCw5JbPvkdsoguF2wurqixAQwO1ELAjU/edit

Videos: Watch

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