Document Tools,
Done Right.
Add watermarks to your PDFs and generate professional invoices — all for free, directly in your browser. No sign-up. No hidden fees. No watermarks on your exports.
Tools You'll Use Every Day
Simple, fast, and free — built for professionals like you.
PDF Watermark
Add text or image watermarks to your PDF files. Customize font, color, opacity, position, and rotation.
Invoice Generator
Create professional invoices in minutes. Perfect for freelancers, contractors, and small businesses.
How It Works
Three simple steps to get started.
Choose a Tool
Select PDF Watermark or Invoice Generator from the navigation.
Fill in the Details
Upload your file or enter your information. Customize as needed.
Download Result
Your processed file is ready instantly. Download for free.
Frequently Asked Questions
?Is SleekKitBox really free?
Yes, all our tools are completely free to use. We're supported by advertisements.
?Do I need to create an account?
No registration required. Use all tools immediately without signing up.
?Are my files secure?
Yes. Uploaded files are processed securely and automatically deleted after processing.
?What file formats are supported?
PDF Watermark accepts PDF files up to 100MB. Images: PNG, JPG, GIF, WEBP.