The complete text of the SDA Bible Commentaries can be found at BibleTools.info. However, by scrolling through one Bible verse at a time, the text can only be viewed alongside multiple different commentary sources.
Many various commentaries are available on BibleTools.info, but the SDA Commentaries are particularly beneficial because they are located at the top of the website. Text can be searched verse by verse or paged through verse by verse. Ellen G. White’s chapters of the SDA Bible Commentaries are also available in a variety of forms at egwwritings.org. As of 2015, there is no website that contains the complete commentary in a long text format.