七牛云图床 is a free Chrome extension developed by niemingzhao. It falls under the category of Browsers and is a subcategory of Add-ons & Tools. This extension allows users to easily upload local pictures to Qiniu Cloud Storage and generate picture links for blogs and other references. With just one-time configuration of the Qiniu Cloud key information, users can seamlessly use this extension.

The main features of 七牛云图床 include the ability to drag and drop images for uploading, as well as the option to copy and paste images for upload. Additionally, users can conveniently copy the generated image link to their clipboard with just a click.

Overall, 七牛云图床 is a useful extension for those who frequently upload images to Qiniu Cloud Storage and need quick access to the generated image links for their blogs or other purposes.