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. Now with Typst support!
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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 and then click to 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.
v1.4 Update: Now you can also select text that includes equations and right click to copy the selection as Markdown.
v1.5 Update: Now with Typst support! You can choose between LaTeX mode or Typst mode.
You can see a tutorial on how to disable or add certain sites and read more information about this add-on in the GitHub repo of the extension: https://github.com/Mapaor/copy-latex-firefox-extension.
v1.4 Update: Now you can also select text that includes equations and right click to copy the selection as Markdown.
v1.5 Update: Now with Typst support! You can choose between LaTeX mode or Typst mode.
You can see a tutorial on how to disable or add certain sites and read more information about this add-on in the GitHub repo of the extension: https://github.com/Mapaor/copy-latex-firefox-extension.
Rated 5 by 6 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.
More information
- Add-on Links
- Version
- 1.5.1
- Size
- 145.24 KB
- Last updated
- 9 days ago (Jan 15, 2026)
- Related Categories
- License
- MIT License
- Version History
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