QuillBot: AI Writing and Grammar Checker Tool

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Elevate your writing with QuillBot's AI-powered productivity tools: Grammar Checker, Paraphrasing Tool, AI writer, and more!

: Type
Extension
: Users

5,000,000 users

1M
: Website https://quillbot.com/
: quillbot
View author page of quillbot
: Featured Extension
Hand-picked for quality and usefulness
: Published 7 years ago
Published on February 8, 2018
: Version 4.46.1
: Manifest version

3
: Updated 5 days ago
Updated on November 21, 2025

Download QuillBot: AI Writing and Grammar Checker Tool - All Versions & Previous Releases

Get QuillBot: AI Writing and Grammar Checker Tool Chrome extension version history. Download and install older versions safely for Chrome, Edge, Brave and other Chromium browsers.

Total Users: 5,000,000+
Latest Version: 4.46.1
Size: 27.19MiB
Total Downloads: 0

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Safety First: Important Notice

The extension files provided here are for reference and backup purposes only. To ensure your safety and security:

Install extensions directly from the Chrome Web Store whenever possible
Exercise caution with older versions as they may contain security vulnerabilities
Always verify the source and integrity of downloaded extension files

Download History & Previous Versions of QuillBot: AI Writing and Grammar Checker Tool

Explore the complete version history and download archive of QuillBot: AI Writing and Grammar Checker Tool. Access all previous releases and updates safely and securely.

Version Number	Release Date	Download Options
4.46.1 Latest Version	Nov 22, 2025	Download extension as ZIP archive Download extension as CRX package View extension manifest file
4.46.0	Nov 20, 2025	Download extension as ZIP archive Download extension as CRX package View extension manifest file
4.45.1	Nov 17, 2025	Download extension as ZIP archive Download extension as CRX package View extension manifest file
4.44.0	Nov 06, 2025	Download extension as ZIP archive Download extension as CRX package View extension manifest file
4.43.1	Nov 03, 2025	Download extension as ZIP archive Download extension as CRX package View extension manifest file
4.42.0	Oct 18, 2025	Download extension as ZIP archive Download extension as CRX package View extension manifest file
4.41.0	Oct 15, 2025	Download extension as ZIP archive Download extension as CRX package View extension manifest file
4.40.1	Oct 08, 2025	Download extension as ZIP archive Download extension as CRX package View extension manifest file
4.40.0	Oct 07, 2025	Download extension as ZIP archive Download extension as CRX package View extension manifest file
4.37.0	Sep 30, 2025	Download extension as ZIP archive Download extension as CRX package View extension manifest file

Showing 1 to 10 of 55 results

Step-by-Step Guide: Installing Chrome Extensions from ZIP and CRX Files

Learn how to safely install Chrome extensions from local files. Follow our detailed installation guides for both ZIP archives and CRX packages.

Installing ZIP File

1 Unzip the downloaded file to a location you can easily find
2 Open Chrome and navigate to chrome://extensions
3 Toggle on "Developer mode" using the switch in the top right corner
4 Click the "Load unpacked" button and select the unzipped folder
5 The extension will be installed and ready to use

Installing CRX File

1 Open Chrome and navigate to chrome://extensions
2 Toggle on "Developer mode" using the switch in the top right corner
3 Drag and drop the downloaded .crx file directly onto the extensions page
4 Click "Add extension" when prompted to confirm
5 The extension will be installed and ready to use

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