Meta Tag Generator. Add your image, title and description and preview how your webpage will look on Google, Facebook, Twitter, LinkedIn etc.

Quickly analyze the SEO of your site. Enter the URL of your site. Find out your score and recommendations. 100% free.

Load, enter or copy-paste a text then choose your language. The tool reformulates your text in seconds.

SEO Minion is a free Chrome (and Firefox) extension that lets you analyze a page's On-Page SEO, check for broken links, and preview your content in search results.

PageSpeed Insights is a tool created by Google that measures the loading speed of a page on mobile and desktop. The tool highlights areas for improvement to have a faster site.

TinyJPG allows to optimize and compress the weight of images in WebP, JPEG and PNG formats.

Google Trends allows you to measure the number of searches for a term typed in the Google search engine, its evolution over time, the regions in which it is most popular and the associated queries and topics.

If Ahrefs is an essential paying tool in SEO, here it provides the possibility of checking broken incoming and outgoing links for free.

This tool makes it easy to add campaign parameters to the URLs you want to track in Google Analytics.

1.fr analyzes the text of a web page to determine if it is rich enough in content. The tool also suggests keywords that might be present depending on the content.

Find out what people are looking for on search engines based on a keyword. tool in english

Find out what people search for on Google based on a keyword. Limited to 3 requests per day in free version. French equivalent of the famous AnswerThePublic.

Ubersuggest is a comprehensive SEO tool that helps improve content creation. Ubersuggest suggests keyword ideas, generates a report on top ranking pages and backlinks. The tool is limited in its free version.

Created by the University of Caen, this electronic dictionary of synonyms (DES) allows you to look up a synonym with a simple click.

Online spell checker.