FastQC aims to provide a simple way to do some quality control checks on raw sequence data coming from high throughput sequencing pipelines. It provides a modular set of analyses which you can use to give a quick impression of whether your data has any problems of which you should be aware before doing any further analysis.
Go to the Data Page.
Upload any sequence data (.fastq, .fasta, or .fastq.gz).
Wait a moment - FastQC will run automatically on that file :)
Double click the file to open FastQC.