Sites like Kalamullah.com host translated excerpts and lessons derived from the book, such as biographies of scholars like Ibn al-Mubarak.
There are dedicated apps for "Sifat al-Safwah pdf" on the Google Play Store that offer an indexed, searchable experience, though often the primary text is in Arabic with English interfaces. Purpose and Spiritual Value Sifat Al-safwah English Pdf
While a full, single-file English PDF of the entire work is rare, you can find the text through these specific channels: Sites like Kalamullah