Unicode Math With LaTeX
Replaces LaTeX symbols you write to Unicode symbols. To use it, write some LaTeX (e.g. \alpha_1 \to +\infty), select it and hit Ctrl+Space. The example above becomes α₁ → +∞.
Primary target is VK.com, so it might not be stable on some other sites. You may try it on https://translate.yandex.ru/...
Workflow & Planning