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Preview of Copy LaTeX (KaTeX & MathJax & Wikipedia images)

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 (2 reviews)
2 Users
You'll need Firefox to use this extension
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Screenshots
Hover over KaTeX equations.Click to copy LaTeX code.Works with MathJax as well.
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, and it ensures fast, seamless copying for students, researchers, and developers working with mathematical content online.

GitHub repo with source code and more details: https://github.com/Mapaor/copy-latex-firefox-extension.
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Permissions and dataLearn more

Required permissions:

  • Access your data for all web sites

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 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
More information
Version
1.2.1
Size
12.33 kB
Last updated
6 minutes ago (25 Aug 2025)
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Release notes for 1.2.1
Only handle MathJax v3 and v4 via API if they are present (for better performance).
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