Bǎ zhè duàn dàimǎ bǎocún wéi xiǎoshūqiān jí kě shǐyòng.
Just save this code as a bookmarklet to use it.
Tips
usage
A computing term — the diminutive 小 distinguishes it from a regular bookmark (书签 shūqiān). For a literal small paper bookmark you would still just say 书签 or specify 纸质书签 (paper bookmark).