Comprehensive Spellchecking Tool for Firefox Users

LanguageTool Website Spellcheck (LTWS) is a versatile Firefox extension designed for web development and text editing. This subscription-based tool offers users the ability to check spelling easily on any web page by selecting text and either right-clicking or using the CTRL+Q hotkey. The extension features a user-friendly sidebar that displays all detected errors along with suggested corrections. It also supports over 30 languages, automatically detecting the language of the selected text or allowing manual selection. Additionally, users can create a personalized list of ignored words that can be imported or exported, enhancing their writing experience.

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With two checking modes available, users can either connect to a local LanguageTool server or utilize the public API, which is rate-limited for security. The extension's customizable design allows users to choose between light, dark, or automatic themes based on system settings. For those concerned about privacy, a local server can be set up to avoid sending text to external servers. Overall, LTWS is an essential tool for students, bloggers, non-native speakers, and anyone who values accurate spelling in their online communication.

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App specs

  • License

    Subscription

  • Version

    1.5.1

  • Latest update

  • Platform

    firefox

  • Size

    66.05 KB

  • Developer

Program available in other languages



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Laws concerning the use of this software vary from country to country. We do not encourage or condone the use of this program if it is in violation of these laws.
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Is LanguageTool Website Spellcheck - LTWS safe?

100/100

Score result: Clean

This file passed a comprehensive security scan using VirusTotal technology. It is safe to download.

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  • Malware free
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Scan Info

Last scan
Tuesday, February 24, 2026
Scan provider
VirusTotal · Full report

File Integrity

File
1.5.1.xpi
SHA256
8c493903208bfe90f82dc733af0115262faf99a9ff7ca940e5888f47780f0b88
SHA1
a4bf04db8ec4883406fe9dcdf3561a4a0052aa5f

Softonic security commitment

LanguageTool Website Spellcheck - LTWS has been thoroughly scanned by our advanced security systems and verified by industry-leading partners. This file comes from the official developer and has passed all our security checks, showing no signs of viruses, malware, or spyware. For more information, visit our Security and Trust Center