Free Online Research Tools

Category: Reference

The Internet is at once a gold mine and a cesspool, so how can you find the helpful, authoritative information you need? Check out my list of the best free online reference and research tools...

Desperately Seeking Something?

There are plenty of websites with dubious experts, opinionated blowhards, and others who would lead you in a particular direction that benefits them more than you. So where do you turn when you have a problem and you need to find reliable answers from true experts, researchers, and the recognized leaders in a particular area?

I've got a list of websites that I have personally found to meet those criteria. Most of them have been around for over a decade, proving their worth by their longevity. Check out my long list of FREE online reference tools, covering more than a dozen areas of expertise.

General Reference Tools

In a library, if you don't know where to look for a reference book, you go to the Reference Librarian. On the Internet, if you don't know where to look for answers, you go to At first glance, the sheer amount of useful links on the Refdesk home page can be overwhelming. But it's really quite well organized and useful.
reference books gives you credible answers from published reference works. Enter you search words and it will search 40+ encyclopedias, as well as 70+ dictionaries and thesauruses.

The Britannica Online Encyclopedia is another very credible source.

At, you can look up a word in either a dictionary or Roget's Thesaurus (to find synonyms and antonyms). The site also offers Ask Doctor Dictionary (for questions about words or grammar), the Word of the Day, daily crosswords & word search puzzles, and a huge list of links to other online dictionaries, including hundreds of non-English ones. Offers convenient links to popular online Almanacs, Calculators, Dictionaries, Directories, Encyclopedias, Historic Documents, Quotations, Statistics, and Thesauri.

At the Infoplease Homework Center, students will find useful information by subject area, develop better writing, note-taking and study skills, and search through previous questions and answers from other students.

WordReference offers free online translation dictionaries. Enter a word and it will first translate it into
Spanish, French, Italian, German or Russian, then it will display the dictionary definition for that word in the chosen language.

Need a synonym, antonym, or related word? Try this RhymeZone.

The Farmers' Almanac is filled with entertaining short stories, good cooking, fun, facts, forecasts, timely household tips, calendars for fishing and of course gardening.

The CIA World Factbook, published by the United States Central Intelligence Agency, has data on every country in the world, including maps, background, geography, people, government, economy, and military.

Medical Questions

medical advice WebMD is one of the leading medical reference websites. This authoritative website contains thousands of articles on medical conditions, diseases and how to stay healthy.

More Medical Advice Online - For a larger collection of trustworthy online medical websites, alternative medicine, support groups, and online drug stores see

Business and Financial Research

business and finance Hoover's Online provides company capsules and profiles that give comprehensive company, industry, and market intelligence to investors and business professionals.

EDGAR - The SEC requires public companies to file registration statements, periodic reports, and other forms electronically through EDGAR. Now you can access and download this information for free.

Zack's Investment Research has tools that enable individuals to research, select and track their investments more effectively. Company news, profiles, stock prices and more. offers free stock quotes, charts and news from the financial markets.


weather information In addition to local weather maps and forecasts for thousands of cities around the world, The Weather Channel website offers many other useful features such as the free Desktop Weather software for Windows, Inbox Weather (e-mails you the forecast daily) Pollen Reports, Air Quality Forecast, and the Interstate Forecast planner.

For the weather junkies, Weather Underground has everything you'd expect from a weather site, including yesterday's forecast.

Check the BBC Weather Centre for weather forecasts for the UK and cities around the world.


Movies The Internet Movie Database (IMDB) lets you search for a movie or video by its title, and tells you everything you could ever want to know about that movie and its actors.

Ever wonder if a movie is appropriate for your family? ScreenIt has detailed reviews for movies and videos. You'll know just how much language, violence, sex, and other potentially offensive material you'll be exposed to.

Rotten Tomatoes is a site for both casual movie-goers and film buffs alike. Millions each month use Rotten Tomatoes as a dependable resource and objective coverage of movies and videos. With more than 100,000 titles and 360,000 review links in its ever-gro wing database, Rotten Tomatoes offers a fun and informative way to discover the critical reaction on movies from the nation's top print and online film critics, neatly summarized via the TomatoMeter.

Music and Lyrics Research

music and lyrics Try if you want a searchable database of song lyrics covering many different genres.

Kiss This Guy is a website devoted to misheard or misunderstood lyrics. Finally, you can find out why Manfred Mann had a boulder on his shoulder in the song "Blinded by the Light."

US Government

government research tools Visit THOMAS and find up-to-date information on who's really saying what on Capitol Hill. THOMAS is a service of the U.S. Congress to make legislative information publicly available. It contains full text of legislation (both House and Senate bills searchable by keyword or by bill number) and full text of the Congressional Record. No spin, bias, or sound bytes here... Just the raw data from which you can draw your own conclusions. is the U.S. government's official web portal, a guide to finding government info and websites on a wide variety of topics, including Benefits and Grants, Consumer Guides, Environment, Energy, and Agriculture, Health and Nutrition, Money and Taxes, Public Safety and Law, Science and Technology, and Voting and Elections.

Language Translation

translation tools BabelFish does computer-assisted translations from English to Chinese, French, German, Italian, Japanese, Korean, Portuguese, Spanish and Russian -- and back again, sort of.

Find more language translation resources at

Maps, Topography and Astronomy

Maps and directions Google Earth lets you virtually fly to any point on Earth and view streets, houses, buildings, and terrain, from satellite imagery. The built-in Google Sky component lets you zoom out into outer space to view planets, stars, constellations and galaxies.

Microsoft's WorldWide Telescope turns your computer into a telescope. This jaw-droppingly cool tool blends images and data from ground and space-based telescopes to allow for seamless panning and zooming across the night sky. You can also take guided tours, narrated by astronomers, featuring interesting places in the sky.

CitySearch helps you explore city life, from Las Vegas hotels to New York restaurants, Chicago events to Seattle coffee houses. Find recommendations, ratings, reviews, tips and more.

You can find several Online Maps and Driving Directions at


genealogy research Cyndi's List is a comprehensive index to over 100,000 genealogical resources on the Internet. You'll find a list of links that point you to genealogical research resources in many different countries, all categorized & cross-referenced. It's like a "card catalog" to the genealogical collection in the immense library that is the Internet. Over 1000 new links are added each month!

More Genealogy resources at

Urban Legend Research

urban legend research Snopes - Snopes is one of the best urban legend debunking sites on the Net. Before you forward that crazy story to all your friends, check it out on Snopes.

David Emery's Urban Legends and Folklore site also has a wealth of well-researched and common sense information on urban legends.

Air Travel

air travel information Use FBOweb to see the real-time flight path and current location of the flight in progress, overlaid on a map. You can also track flights in 3D, with FBOweb's ultra-cool Google Earth interface.

See how time you have to spare before arriving at the airport. The Federal Aviation Administration's Air Traffic Control Center tracks Arrival & Departure Delays.

Miscellaneous Research Tools

research tools BIBLE SEARCH - Bible Gateway is a tool for reading and searching the Bible online, covering over 100 languages and translations. It provides advanced searching capabilities, which allow readers to find and compare passages based on keywords, phrases, or scripture reference.

FAQ SEARCH - At you can peruse over 3500 Frequently Asked Questions files from Usenet discussion groups. Find (possibly) expert answers to all your questions from Artificial Intelligence to Zoroastrianism.

FINANCIAL AID - FinAid is the most comprehensive collection of information about student financial aid on the web. FinAid is free and has a stellar reputation in the educational community as the best Web site of its kind. Make it your first stop on the Web when looking for ways to finance an education.

HOUSE VALUES - offers free automated house valuations on more than 80 million homes across the United States. You can see the estimated value of your house, your neighbor's house, or just about any other home in the country -- whether it's for sale or not. Zillow pulls information from public real estate records, tax rolls and other sources to compute a house value. Zillow also offers a forum where you can chat with pros, as well as other home buyers and sellers.

PEOPLE FINDERS - Need to find someone's phone number, address, website, profile or other personal info? Check out my long list of people finders at

SPECIALIZED GOOGLE SEARCHES - Just visit Google and type in a phone number, stock symbol, or Fedex tracking number, and see what happens. Learn more about Google's secret search tools at

Got a favorite online reference, research or search tool? Post a comment below and tell us about it...

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Most recent comments on "Free Online Research Tools"

Posted by:

Mick Jacobsen
09 May 2009

Also remember to ask your friendly local librarian. They are great free research tools, and most are online.

Posted by:

Bruce Houghton
09 May 2009

For Urban Legends, I like: Truth or Fiction

Posted by:

10 May 2009

I propose to add main Web research or Web clipping or Note taking tools from my blog Best wishes. Zigmas

Posted by:

13 May 2009

For medical information, there's also MedlinePlus from the National Library of Medicine. It also has some cool surgery videos!

Posted by:

15 May 2009 is a great free resource for finding books, magazine articles, anything that is in a library. Once you find the info, you can locate the closest library that has it.

I have found some really obscure things and was able to get them with an interlibrary loan. The downside- you might actually have to leave the house at some point.

Posted by:

21 Feb 2013

check out, it is new site that offers free research tools you can use to store links under your own profile and personal search projects. you can also search the native data based for links that other users have rannked.

Posted by:

08 Feb 2016

Freepatentsonline is a sophisticated tool for searching for US, World and European patents and knocks the US Patent Office's own search facility (which requires specialized software that has to be paid for) into a cocked hat.

Posted by:

Alex L.
11 May 2016

Also look this lyrics database it works fast

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Article information: AskBobRankin -- Free Online Research Tools (Posted: 8 May 2009)
Copyright © 2005 - Bob Rankin - All Rights Reserved