Sounds like a job for ScanTailor. I'm not aware of an actively developed alternative. The version on my system comes from ScanTailor Advanced [3].

[1]: https://scantailor.org/ [2]: https://github.com/scantailor/scantailor [3]: https://github.com/4lex4/scantailor-advanced

Neat idea. Basically an "Enhance Readability" button. I'm looking into how it can be done, will report back.