Copy LaTeX (KaTeX & MathJax & Wikipedia images) by Mapaor4

Quickly copy LaTeX code from mathematical expressions on websites like ChatGPT, DeepSeek, Stack Exchange, Wikipedia and other math sites or blogs by simply hovering and clicking.

5 (5 reviews)

74 Users

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About this extension

Copy LaTeX code from any KaTeX or MathJax-rendered math expression directly in your browser. It also works with Wikipedia images. Hover over an equation to reveal a “Click to copy” overlay, then click to instantly copy the LaTeX code to your clipboard. Works on ChatGPT, DeepSeek, Stack Exchange, GitHub, ProofWiki and any website using KaTeX or MathJax as well as Wikipedia and Wikiwand. No external dependencies are required.

You can see a tutorial on how to use it, disable certain sites and add new ones in the GitHub repo of the extension: https://github.com/Mapaor/copy-latex-firefox-extension.

Rated 5 by 5 reviewers

Permissions and data

Required permissions:

Access your data for all websites

Optional permissions:

Access your data for sites in the notion.site domain
Access your data for sites in the wikipedia.org domain
Access your data for sites in the wikiversity.org domain
Access your data for sites in the wikibooks.org domain
Access your data for chatgpt.com
Access your data for chat.deepseek.com
Access your data for math.stackexchange.com
Access your data for physics.stackexchange.com
Access your data for proofwiki.org
Access your data for www.notion.so
Access your data for www.wikiwand.com
Access your data for wikimedia.org
Access your data for mathoverflow.net
Access your data for publish.obsidian.md
Access your data for nbviewer.org
Access your data for www.phind.com
Access your data for chat.mistral.ai
Access your data for librechat-librechat.hf.space
Access your data for www.perplexity.ai
Access your data for phys.libretexts.org
Access your data for gemini.google.com

Data collection:

The developer says this extension doesn't require data collection.