ImPack

ImPack is a tool that lets you convert any file that you want into an image and extract that file from the image later.
For example, this allows sharing files over websites that only allow you to upload images.

Get visibility into the health and performance of your entire Cisco ASA environment in a single dashboard. View VPN tunnel status and monitor firewall high availability, health, and readiness. Automatically discover and filter within ACLs, show rule hit counts, and detect shadow and redundant rules. Automate the monitoring and management of your ASA infrastructure in a fully integrated solution. Try it free for 30 days!