CapGo is a fast, modern, and beautiful desktop application for macOS designed to help you stamp and sign PDF documents with zero effort.
Whether you're a professional handling hundreds of invoices or just need to sign a quick form, CapGo makes the process seamless, secure, and satisfying.
Ready to start stamping? Download the latest version for macOS:
- Download CapGo Installer (.dmg)
- Open the downloaded file and drag CapGo to your Applications folder.
- Launch CapGo from your Applications and you're ready to go!
- 🚀 Drag & Drop: Just drop your PDF and your stamp image. No complex menus.
- 🎯 Precise Placement: Move and resize your stamp directly on a live preview of your document.
- ⚡ Batch Processing: Set one stamp layout and apply it to an entire folder of PDFs in seconds.
- 📄 Multi-page Support: Different stamps for different pages? No problem.
- 🛡️ 100% Private: Your documents never leave your computer. All processing happens locally on your machine.
- 🌙 Premium Dark UI: A sleek, modern design that's easy on the eyes and looks great on macOS.
- Add Your PDF: Click the "Add PDF" area or drag a file in.
- Add Your Stamp: Upload your signature or official stamp image (PNG with transparency works best!).
- Position & Resize: Drag the stamp to where you want it on the page. Use the corners to resize.
- Process: Click "Apply Stamp" and CapGo will generate your signed document instantly.
CapGo is constantly improving. To check for the latest features:
- Click the CapGo title in the app to see the "About" section.
- Use the "Check for Update" button to automatically download the newest version.
CapGo is Open Source software licensed under the GNU General Public License v3.0. Your privacy is our priority: Your files are processed locally and are never uploaded to any server.
Developed with ❤️ for productivity by Lelehuy.
Are you a developer? Check out our Development Guide for build instructions and project structure.