Are my files safe when executing this tool?

Yes, completely. PDFVibe handles all document compilation, splitting, and rendering locally inside your browser's sandbox using WebAssembly. Your files are never uploaded to the cloud, ensuring total security.

Does this utility require register or download?

No. All our document tools are completely free to use directly in your browser without creating an account or installing extensions.

Does this tool work on mobile devices?

Yes, PDFVibe is fully responsive. You can run all utilities, conversions, and security additions on iOS Safari, Android Chrome, or iPad tablets.

Can I use this service offline?

Yes. Once the web application is loaded initially, all features run locally in browser threads. You can execute tasks even without an internet connection.

What is the maximum file size supported?

There are no software upload caps because files are processed in your system's RAM. It is limited only by your device's available memory.

How does PDFVibe compare to traditional cloud converters?

While cloud converters upload files to remote servers, PDFVibe runs 100% locally. This protects document privacy, operates faster on large files without network lags, and works offline.

PDFVibe 100% Free & Private

How to Add Text or Image Watermarks to PDF Online

Step-by-step guide to applying brand watermark overlays to PDF documents locally. Adjust transparency, angle, and size in your browser.

⚡ 100% Free & Unlimited 🔒 Zero Server Uploads 🚀 Instant Local Processing 📱 Works on All Devices

Initializing WebAssembly workspace...