HSHTG - Generate, manage, save and edit hashtags just in a few finger tap
Batch Docs - Replace text in, add or remove content, and edit thousands of Word documents in doc and docx formats, PDFs, RTF documents, and other text documents.
HashtagWiki.com - Hashtag Generator Tool
Doxillion - Download fast and easy to use document file converter for PC or Mac. Convert Word, Doc, Docx, PDF, WPS, ODT, TXT, RTF, WPD, HTML, XML, word perfect and more source code file types. Freeware for home use.
Hashtagify.me - Free hashtags search engine, with paid advanced analytics
regexxer - regexxer is a nifty GUI search/replace tool featuring Perl-style regular expressions.