• If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old.

  • Dokkio Sidebar applies AI to make browsing the web faster and more productive. Whenever you open Sidebar, you'll get an AI summary of the web page and can ask any question you like about the content of the page! Try Dokkio Sidebar for free.



DiRT (Digital Research Tools) has a new home! Please visit Bamboo DiRT to explore this excellent collection of research tools.


There are some handy programs available that help you convert, download, and otherwise manipulate files.



  • DownThemAll: "a powerful yet easy-to-use Mozilla Firefox extension that adds new advanced download capabilities to your browser.

    DownThemAll lets you download all the links or images contained in a webpage and much more: you can refine your downloads by fully customizable criteria to get only what you really want." (Free, Firefox-based)

  • Free .pdf to .doc converter: software that converts PDF (*.pdf) files to Word (*.doc) files (Free; Windows, via Lifehacker)
  • Gnu Wget: "a free software package for retrieving files using HTTP, HTTPS and FTP, the most widely-used Internet protocols. It is a non-interactive commandline tool, so it may easily be called from scripts, cron jobs, terminals without X-Windows support, etc." (Free, cross-platform)
  • irfanView [Review]: an easy-to-use image editor and viewer; nice conversion features (Free, PC)
  • Lemon8-XML: "a web-based service designed to make it easier for non-technical editors and authors to convert scholarly papers from typical word-processor editing formats such as MS-Word .DOC and OpenOffice .ODT, into publishing layout formats such as the open, industry-standard NLM Journal Publishing XML format." (Free, web-based)
  • PDFCreator: Create PDF and PDF/A files; merge files; encrypt PDFs (Open source, Windows)
  • PDFMiner: "a suite of programs that help extracting some meaningful information out of PDF documents." (Open source, cross-platform)
  • PDFMyURL: Convert a web page to a PDF in seconds. (Free, web-based)
  • PDFsam: Split and manipulate PDF files (Open source, cross-platform)
  • PDFtk: PDF manipulations including merging, splitting, extracting, and rotating pages (Open source, cross-platform)
  • Sort My List: a text alphabetization, sorting, and reformatting tool to allow painless rearrangement and cleanup of blocks of text (Free, web-based)
  • Tofu: Reformats text so that it appears in horizontal columns rather than scrolling vertically.  Display text according to your preferences. Navigate using voice commands. (Free, Mac)
  • Transformer [Review]: Perform search/replace operations in text files, with output in Unicode; useful for converting/"rescuing" data from files created by obsolete word processing programs (Free, Windows)
  • Zamzar: Convert files (up to 1GB) in a simple online interface and receive the results by email (Free, web-based)





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