Rushi's Pinboard Toolkit
kippt_list_to_tags.php- Every kippt bookmark was assigned to a 'list' which is like a folder. This script will add a tag to the Pinboard bookmark with the name of the list.
404check.php- Check if your bookmarks are working or not. Checks if the url is available and returns a valid HTTP code.
regex_to_tags.php- Apply tags to your bookmarks based on the regular expressions supplied that match the description
Feel free to use this code, I don't provide any guarantees but will help out if I can.