When it comes to SEO copywriting, it is important to understand SEO basics such as the effect of headings, bold characters, anchor text and various SEO techniques but as search engines keep improving their algorithm, keyword research, semantics and style have become more important than ever for the SEO professional.
Online competition is now so strong that old-fashioned “on-page” SEO techniques are not enough. Link building is an important part of the optimization puzzle but well done SEO copywriting can help you highlight niche keywords with a good ratio of traffic potential vs. competition and make the difference between high search engine rankings and web pages lost in the crowd.
Once on your website, not only your visitors (and search engines) are looking for good and unique content but your vocabulary, style and use of semantics can play a big role in having them coming back.
A few days ago I published a list of my top 10 free keyword tools. Today, I will focus on free online SEO copywriting tools and resources that can help you write content with more style and vocabulary.
1. Readability Test
The Readability Test from Juicy Studio is a nice little tool for analyzing the readability of your content and making sure your visitors understand your language.
2. Textalyser
Textalyser is a text analysis tool providing reports on readability, lexical density and frequency.
3. Rhymer
Find rhyming words online with Rhymer, a free rhyming dictionary from WriteExpress.
4. Google Docs
Google Docs is a free Web-based word processor and spreadsheet including a U.S. English dictionary, thesaurus and encyclopaedia.
5. Farlex Encyclopedia
The Farlex Encyclopedia is great tool for finding acronyms. Simply search for a term and it will return a fully detailed page about your term and its corresponding acronym.
6. Synonym.com
Find synonyms with this great free online thesaurus.
7. Copywriters Board
Copywriters Board is a great forum for people to discuss about copywriting.
8. Copyblogger
Great blog about copywriting for the SEO copywriter looking for tips on how to write good headlines, landing pages and more.

Frank,
Thank you for the list of free tools. I’ve been using Google Docs for a while now, but the rest of these look promising. I’ll be trying them out in the near future.
Forex Autopilot Editor,
Mike Tran
As I am a content writer and the owner of a website, I was in search of some tools that could not only improve my vocabulary but also my writing style. I found your website and the content in it quite useful. Thanks a lot for giving the names of SEO copywriting tools. I will definitely try them.
I had to take a moment and leave a comment on your post because it was very informative. Thanks for the free tools!
niche kewords are seemingly impossle now a days. All my competition seems to know every word in the dictionary. Maybe I can make up a word, implement that word into my copy and then convince everyone that the made up word is a real one… I wish SEO was as easy as it used to be. There is so much competition now a days that unless you are retardedly persistant, or just a genius, failure is on your side 95% of the time.