Clean up whitespace

Trim spaces, remove empty lines, join broken lines and normalize line endings and tabs.

In: Typed or pasted text, or plain-text files
Out: Text

Text

Trim spaces at the start and end of linesCollapse repeated spacesJoin lines broken mid-sentence (text copied from PDFs)Remove zero-width characters, replace non-breaking spacesStraighten smart quotes

Blank lines

KeepKeep oneRemove

Line endings

KeepLFCRLF

Tabs

KeepTabs to spacesIndent with tabs

Result