I want your opinion on the best free tool for preparing the text for pasting into the HTML.

Namely, the following tasks:

  • removing invisible characters that come from text copied from Adobe products (such as ETX'es coming from Photoshop)
  • encoding special characters into entities, even emoji
  • doing light typography improvements: m-dashes, n-dashes, fancy quotes
  • removing widow words (last paragraph's word sitting on the last line, alone)
  • encoding line breaks into  's

There are quite few tools on the market:

I use Detergent.io, but I'm wondering which tools do you use in your daily email campaign work?