(Edit: Ignore this reply. Probably!)
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Very simple one: Number 5, Make Safe Name in Various simple rename presets.
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More complex one: Advanced Slugify / Web-Safe rename
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There's also: Websafe renaming
Not sure how the last one compares as I have not reviewed it recently. (I've been reviewing, updating and moving rename presets for the last couple of days, but have not done the third one yet.)