https://chrome.google.com/webstore/detail/take-webpage-screenshots/mcbpblocgmgfnpjjppndjkmgjaogfceg?hl=en
Take FULL webpage screenshots. Capture, edit and save them to PDF/JPEG/GIF/PNG, upload, print, send to OneNote, clipboard or email.
FireShot takes full web page screenshots. You can edit and annotate captures.
You can capture web pages entirely to PDF / JPEG / PNG files, print, or copy to clipboard. FireShot can work offline.