Firefox: Enable Spellchecking in Single Line Fields

When You are writing a lot in web forms e.g. issue tracker You definitely want a spellchecker enabled.

In Firefox You can do this via a config value.

  1. Type “about:config” into navigation bar
  2. Accept the “I will be careful” reminder
  3. Search for “layout.spellcheckDefault”
  4. Double click on entry
  5. Set value to 2

This will enable the spellchecker for multi-line controls and single-line controls.