HSBC CSV Extension
This Chrome extension scrapes a HSBC UK bank account page to produce a CSV file with all the transactions within a certain date It is available on the Chrome store here
Update
As HSBC have now updated their website with an in-built method to export transactions as CSV files, this project has now been abandoned and is no longer being maintained.
CSV files can be generated for up to a 12 month range across the last 72 months - simply filter your transactions on your main dashboard and click Download at the bottom.
Usage
Install the extension from the Google Web Store Log in to your HSBC account and select the account you would like to scrape Click the extension in the toolbar and select the dates you would like to filter, then download the CSV file