'I would never do that' vs 'I will never do that'

[Nibras]

Gents,

I would appreciate if explain to me the meaning between the two sentences below:-

“I would never do that "

Or

" I will never do that "

Is there much difference on them? :?:

Many Thask,
Nibras

[Mister Micawber]

.
I would never do that-- This is a conditional statement, meaning 'I'd never do that unless...'. It can be used to express certain actual conditions or as a courtesy ('I'd never do that unless I were e.g. very weak in character'

I will never do that-- A statement of future fact. Used to expressive absolute assurance.
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Native English teacher at Mister Micawber's