Le site fourcc.org est-il sûr ?

***** they may use your info on their behalf. NOT 100% free as "Software we own and our partner’s software may include advertisements within the application." = adware. ***** By accessing the Sites and downloading the Content, you hereby grant us permission to display promotional information, advertisements, and offers for third party products or services (collectively "Advertising"). The Advertising may include, without limitation, content, offers for products or services, data, links, articles, graphic or video messages, text, software, music, sound, graphics or other materials or services. The timing, frequency, placement and extent of the Advertising changes are determined in our sole discretion. You further grant us permission to collect and use certain aggregate information in accord with our Privacy Policy. and this is just 2 paragraphs into the terms and conditions, hardly 100% free.

Good codec site. No problems downloading files, tested fine. Site is designed well, no scripting issues. Reviewed well on McAfee SiteAdvisor and no real complaints that I could find in a general search. If you need codecs and other graphic tools, this is a trustworthy site.