LexAnnotate Extension icon

LexAnnotate Extension

by lexdatalabs364 · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Captures screenshots and JSON from Label Studio/CVAT on save actions

Users
20
−3 in 30 days
Rating
4.2 / 5
unchanged in 30 days
Ratings
5
0 in 30 days
Store rank
#150K
#125K among extensions
Version
1.0.0
updated 20 Jan 2026

Users

monthly, 9 months
01122Jan 2026Jun 2026Oct 2026
Latest, 16 Oct 2026: 20 usersMove the mouse over the chart for any month

Ratings count

monthly, 9 months
025Jan 2026Jun 2026Oct 2026
Latest, 16 Oct 2026: 5 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 LexAnnotate Extension

LexAnnotate Extension - Chrome Web Store Description ===================================================== SHORT DESCRIPTION (132 characters max): --------------------------------------- Capture screenshots and annotation data from Label Studio, CVAT, Roboflow, and custom annotation tools with one click. DETAILED DESCRIPTION: --------------------- LexAnnotate Extension is a powerful productivity tool designed for data annotation professionals, machine learning engineers, and computer vision teams. It seamlessly captures screenshots and annotation data from popular annotation platforms. KEY FEATURES: • One-Click Capture Automatically capture screenshots and annotation JSON data when you save your work in annotation tools. • Multi-Platform Support Works with popular annotation platforms: - Label Studio - CVAT (Computer Vision Annotation Tool) - Roboflow - LexAnnotate.ai - Custom annotation tools (configurable) • Automatic Data Extraction Intelligently extracts bounding boxes, labels, polygons, and other annotation data in a standardized JSON format. • Cloud Sync Upload captured data directly to LexAnnotate.ai backend for centralized storage and team collaboration. • Admin Controls - Add custom domains/IP addresses for local development servers - Configure server endpoints - Monitor upload history and statistics • Secure Authentication Role-based access control with user, admin, and superadmin roles powered by secure authentication. • Local Downloads Save screenshots (JPEG) and annotation data (JSON) locally for backup and offline access. HOW IT WORKS: 1. Install the extension and login with your LexAnnotate account 2. Navigate to your annotation platform (Label Studio, CVAT, etc.) 3. Create or edit annotations as usual 4. Click "Save" or press Ctrl+S - the extension automatically captures your work 5. Screenshots and JSON data are saved locally and uploaded to the cloud USE CASES: • Quality Assurance - Review annotation work with visual snapshots • Version Control - Track annotation changes over time • Team Collaboration - Share annotation progress with team members • Backup & Recovery - Keep local copies of your annotation work • Training Documentation - Create visual records of annotation guidelines PERMISSIONS EXPLAINED: • Downloads - Save screenshots and JSON files locally • Storage - Store authentication tokens and settings • Tabs - Detect which annotation platform you're using • Scripting - Inject capture functionality into annotation pages • ActiveTab - Capture screenshots of the current tab PRIVACY & SECURITY: • Your annotation data is only captured when you explicitly save • Data is encrypted during transmission • No data is collected from non-annotation websites • Domain whitelist ensures capture only works on approved platforms SUPPORT: For help, feature requests, or bug reports: • Website: https://lexannotate.ai • Documentation: https://lexannotate.ai/docs REQUIREMENTS: • Google Chrome (version 88 or later) • LexAnnotate.ai account for cloud sync features • Works offline for local capture functionality VERSION HISTORY: v1.0.0 - Initial Release • Support for Label Studio, CVAT, Roboflow, LexAnnotate.ai • Screenshot and JSON capture • Cloud upload to LexAnnotate.ai • Admin panel for domain management • Role-based authentication CATEGORY: Productivity TAGS: annotation, machine learning, computer vision, label studio, cvat, roboflow, screenshot, data labeling, AI, ML, image annotation

Growth

WindowUsersChangeRatingsRating
7 days−2−9.1%00.00
30 days−3−13.0%00.00
6 months+10+100.0%+1−0.80

Version history

1 versions recorded
1.0.020 Jan 2026

Details

Category
Developer Tools
First seen
20 Jan 2026
Size
108 KB
Languages
en-US
Pricing
Free
Privacy policy
lexdata-labs.github.io
Extension ID
aocppgcaloklohnkfimegpiiigichbpg

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
downloadsstoragescriptingtabsactiveTab
Site access
<all_urls>
Can read and change data on every website you visit.

Alternatives to LexAnnotate Extension

Extensions that rank for the same store searches or share the Developer Tools category, ordered by users