https://support.apple.com/en-afri/guide/pages/tanafea6d099/mac
In Pages on Mac, align, center, or justify paragraphs on a page or in a column, table cell, text box, or shape.
justify textmac applealignpagessupport
https://www.caniemail.com/features/css-text-justify/
Partially supported in Gmail, Outlook, Yahoo! Mail. Not supported in Apple Mail.
textjustify
https://support.apple.com/en-sg/guide/pages-iphone/tanafea6d099/ios
In Pages on iPhone, align, centre or justify paragraphs on a page or in a column, table cell, text box or shape.
justify textiphone applealignpagessupport
https://support.apple.com/en-bh/guide/pages-ipad/tanafea6d099/ipados
In Pages on iPad, align, center, or justify paragraphs on a page or in a column, table cell, text box, or shape.
justify textapple supportalignpagesipad
https://support.apple.com/en-mn/guide/pages/tanafea6d099/mac
In Pages on Mac, align, center, or justify paragraphs on a page or in a column, table cell, text box, or shape.
justify textmac applealignpagessupport
https://textcompare.io/justify-text
Justify Text Online tool aligns text to have even left and right margins, creating a polished and professional appearance for documents and printed materials.
justify textadvanceoptions