Web Annotator icon

Web Annotator

by Masaya N · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 20 Oct 2026

Add highlights and sticky notes to web pages, export as Markdown

Users
32
+4 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#129K
#107K among extensions
Version
1.1.1
updated 7 May 2026

Users

monthly, 11 months
01632Nov 2025May 2026Oct 2026
Latest, 20 Oct 2026: 32 usersMove the mouse over the chart for any month

Ratings count

monthly, 11 months
001Nov 2025May 2026Oct 2026
Latest, 20 Oct 2026: 0 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 Web Annotator

## Detailed Description (English) Web Annotator is a powerful yet simple tool for annotating any web page. Perfect for researchers, students, and anyone who wants to mark up important information while browsing. **Key Features:** - **Text Highlighting** - Select any text and highlight it with 4 beautiful colors (yellow, green, blue, red) - **Sticky Notes** - Add floating notes anywhere on the page to jot down your thoughts - **Bulk Text Import (NEW in v1.1.0)** - Paste a list of texts (Markdown bullets, comma-separated, or line-separated) and have the extension automatically find and highlight (or attach sticky notes to) every occurrence on the page - **Persistent Storage** - Your annotations are automatically saved and restored when you revisit the page - **Markdown Export** - Export all your highlights and notes as a clean Markdown file - **Cross-paragraph Support** - Highlight text that spans multiple paragraphs - **Keyboard Shortcuts** - Quick access with Ctrl/Cmd + Shift + H for highlighting - **Auto Theme Adaptation (NEW in v1.1.0)** - Highlight colors automatically adjust between light and dark themed pages so text always stays readable (WCAG AA contrast) - **Multi-language Support** - Available in English and Japanese **How to Use:** 1. Select text on any webpage to see the floating toolbar 2. Click the highlighter icon or press Ctrl/Cmd + Shift + H to highlight 3. Alt + Double-click anywhere to add a sticky note 4. Ctrl/Cmd + Click on a highlight to remove it 5. Click the extension icon to manage all annotations and export to Markdown **Importing Texts (NEW):** 1. Click the extension icon to open the popup 2. Expand the "Import texts" section 3. Paste a list in any of these formats: - Markdown list: `- foo`, `* bar`, `1. baz` - Comma-separated: `foo, bar, baz` (full-width `、` also supported) - One per line (no markers required) 4. Choose **Highlights** or **Notes** mode, pick a color, then click **Import** 5. Every matching occurrence on the page is annotated at once **Privacy First:** All your data is stored locally on your device. Nothing is sent to external servers. Your annotations stay private. **Perfect for:** - Academic research and note-taking - Reading and studying online articles - Bookmarking important information - Collaborative document review - Personal knowledge management - Reviewing a list of terms / quotes against any web page

Growth

WindowUsersChangeRatingsRating
7 days+1+3.2%00.00
30 days+4+14.3%00.00
6 months+18+128.6%00.00

Version history

4 versions recorded
1.1.17 May 2026
1.1.06 May 2026
1.0.17 Feb 2026
1.0.027 Nov 2025

Details

Category
Tools
First seen
27 Nov 2025
Size
47 KB
Languages
en, ja
Pricing
Free
Extension ID
gckpllfnimaepbbelfmhcelibclnkena

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
storagealarms
Site access
<all_urls>
Can read and change data on every website you visit.

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