臺灣歷史數位圖書館為收錄臺灣相關史料的全文資料庫，包括「淡新檔案」、「明清臺灣行政檔案」與「古契書」三文獻集。「淡新檔案」收錄1,162案，共19,246件全文資料，是清乾隆四十一年（1776年）至光緒二十一年（1895年）淡水廳、臺北府及新竹縣的行政與司法檔案。「明清臺灣行政檔案」收錄逾四萬五千件全文資料，內容為明清時期與臺灣有關之官方行政公文，來源包括故宮收藏之月摺檔、宮中檔、諭旨等，亦包含中央研究院典藏之內閣大庫檔案部份選件。「古契書」收錄逾四萬件全文資料，內容包含臺灣總督府檔案抄錄契約文書與岸裡大社文書，以及明清以降臺灣各類契約，其中又以土地契約為最多，但亦包括相關之公私文書，如契尾或婚姻契等。資料庫可進行全文檢索或詮釋資料搜尋，另提供延伸查詢工具，如後分類、詞頻分析、年代分布圖、相關人物小辭典、自訂文件集、相似文件與相關文件比較等功能。

This database contains nearly 20,000 documents of “Tan-Hsin Archives,” 45,000 complete texts of “Ming-Qing Taiwanese Archives” and 40,000 pieces of “Taiwanese Old Deeds.” The “Tan-Hsin Archives” are the most completed collection of administrative and judicial documents from Hsin-chu Hsien, Tamsui Ting, and Taipei Fu dating from 1776 to 1895. The “Ming-Qing Taiwanese Archives” comprise official administrative documents concerning Taiwan during Min-Qing era, including the selected documents of the Monthly Memorial Copies, the Palace Memorials also the Imperial Edict from National Palace Museum’s holdings and the Grand Secretariat Archives from Academia Sinica. The “Taiwanese Old Deeds” cover nearly 40,000 complete documentaries consisting of the Governor General’s Office manuscript copies, the original “Lahodoboo Cultural Archives” as well as all sorts of civil deeds in Taiwan during Min-Qing era. The collection of the civil deeds is made up of mostly land deeds, and then followed by public/ private documents such as marriage and land registration papers.This database provides full text search, advanced search, multi-facet classification, term frequency analysis, chronicled distribution, personal corpus for customizing information search and storage, and reference dictionary for notable personages.