Our
Tools & Extensions
At Cloud Captains, we build not just for clients, but for the community too. Discover our collection of Chrome extensions and web tools designed to make your daily work easier, safer, and faster.
Secure, private, and 100% free Mbox file viewer that works offline. Read your email archives (like Google Takeout) without ever uploading your data. Your privacy is paramount: data never leaves your machine.
Learn more 
The ultimate toolkit for developers and system admins. Over 130 essential utilities at your fingertips: from Base64 decoders and JSON formatters to AI via Gemini Nano. Supercharge your workflow.
Stop searching for addresses. Enter a zip code and house number to get the correct address instantly, or vice versa. Includes an interactive map view. Essential for anyone working with Dutch addresses.
Sketch network diagrams locally in your browser. No login, no cloud, 100% privacy-first. Built for DevOps & IT professionals who need to map infrastructure quickly without data risks.
DMARC Intelligence by Cloud Captains: monitor who sends email on behalf of your domain, stop spoofing and grow towards full email protection step by step.
Have an idea for a tool?
Missing a specific feature in your browser or Google Workspace? We develop custom extensions and applications. Let's see if we can bring your idea to life.
Discuss your idea
