LexAnnotate Extension

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

As of June 2026, LexAnnotate Extension has 16 users and a 5.00/5 rating from 4 reviews in the Developer Tools category.

Usersup 100.0 percent+100.0%
16
16
Ratingno change0%
5.00
4 reviews
Reviewsup 33.3 percent+33.3%
4
Version
1.0.0
Manifest V3

History

8 snapshots

Tracking since Apr 1, 2026.

16.64127.359999999999999Apr 1, 2026Jun 8, 2026
View as table
DateUsersRatingReviewsVersion
Apr 1, 202685.0031.0.0
Apr 9, 202695.0031.0.0
Apr 20, 2026115.0041.0.0
Apr 25, 2026115.0041.0.0
May 6, 2026105.0041.0.0
May 12, 2026135.0041.0.0
May 21, 2026115.0041.0.0
Jun 8, 2026135.0041.0.0
Now165.0041.0.0

Permissions & access

Permissions
downloadsstoragescriptingtabsactiveTab
Host access
<all_urls>

Screenshots

LexAnnotate Extension screenshot 1LexAnnotate Extension screenshot 2LexAnnotate Extension screenshot 3

About

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

Technical

Version
1.0.0
Manifest
V3
Size
108KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
aocppgcaloklohnkfimegpiiigichbpg
Developer ID
u161ebea957f25a2905ce43e3b30f608f
Developer Email
[email protected]
Created
Jan 20, 2026
Last Updated (Store)
Jan 20, 2026
Last Scraped
Jun 8, 2026
Website
Support URL

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Data sourced from the Chrome Web Store · last verified Jun 8, 2026.