Automatic Spelling Language

Name: Automatic Spelling Language
Rating: 4.04 (25 reviews)
Author: Jacob Hjort Bundgaard

By: Jacob Hjort Bundgaard

Automatically changes the dictionary used for spell checking based on the language of text in input fields.

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Features & Capabilities

Automatic Spelling Language is a Chrome extension that intelligently switches the spell checking dictionary based on the detected language within text input fields. Utilizing the Compact Language Detection (CLD2) framework integrated into Firefox, it identifies the input text language to apply the correct dictionary automatically, enhancing multilingual typing experiences without sending data to external servers.

The extension supports over 60 languages including English, Spanish, Chinese, Arabic, Russian, and more. It's tested on popular platforms like GitHub, Gmail, Reddit, Stack Exchange, Trello, and Wikipedia, ensuring seamless operation across common sites. Users can reset or adjust content preferences if manual dictionary selections have overridden automatic detection, providing full control over spell check behavior. Perfect for multilingual users, it enhances productivity by removing manual dictionary switching while maintaining privacy and accuracy.

User Growth & Download Statistics

Add-on AI

By:

Jacob Hjort Bundgaard

Daily users:

545

Rating:

4.04

(25)

Version:

1.0 Last updated: 2019-04-20

Version code:

3204477

Creation date:

2019-04-20

Risk:

Content scripts matches:

<all_urls>

Size:

78.74KB

URLs:

Website ,Privacy policy

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-18

Compare stats and ranking:

Ranking

# 4,648 ▲ 9

Other rankings

#197 in Language Support ▲ 1

#6 in spelling keyword 27

#31 in automation keyword 48

#36 in automate keyword 57 ▲ 1

#58 in input keyword 38 ▼ 2

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For Developers

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Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Jacob Hjort Bundgaard

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/automatic-spelling-language/

Website:

https://github.com/kimsey0/FirefoxAutoDict/issues

User Reviews

Users appreciate that the add-on automates switching spellcheck languages and saves manual switching; many say it works well. However, multiple reviewers report inconsistent behavior (fails, needs restarts/reinstalls), site-specific mis-detections (notably Reddit/Facebook), delayed activation, and perceived degradation or lack of maintenance over time.

Pros

Automatically detects and switches spellcheck language, removing the need to switch dictionaries manually.
Many users report it works well and is a practical solution for multi-language typing.
For some people it functions reliably after initial setup or a restart.

Cons

Unreliable or inconsistent: several reviewers report it fails, stops working, or requires reinstalling/restarting to recover.
Site-specific mis-detection or overrides of manual language settings (reported especially on Reddit and Facebook/old Reddit text areas).
Delayed activation: may need you to type a few words before it switches, so it’s not always instant while typing.
Appears to degrade for some users over time; a few reviewers suspect it is no longer well maintained.

Recent reviews

This plugin used to work, but it seems to be unmaintained since 2023. For me, it caused problems on notion.so, leading to thousands of warnings and a huge memory leak. For anyone looking for a reason why Notion may be unbearably slow and produce these warnings, disabling this extension may the the solution. This is Notion's warning when this extension is enabled: NOTION WARNING Reverting mutation of attribute lang from "null" -> "en" in component undefined MutationRecord { type: "attributes", target: div.notranslate, addedNodes: NodeList [], removedNodes: NodeList [], previousSibling: null, nextSibling: null, attributeName: "lang", attributeNamespace: null, oldValue: null }

by Qu*****, 2025-09-11

by 远离*****, 2025-03-23

by 敬念*****, 2025-02-22

View all user reviews ›

Is Automatic Spelling Language Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Automatic Spelling Language requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Automatic Spelling Language has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
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