Add Watermark to PDF Online Free - Text & Image Watermark
Add custom stamps, logos, or remove watermarks seamlessly with zero cloud uploads and instantaneous client-side processing.
Drop your PDF here to add watermark
or click to browse a PDF document from your device
100% Private & Offline
Zero server uploads. Your confidential files never leave browser RAM.
Vector-Sharp Quality
Preserves original vector text and tables without rasterization or blurry pixels.
Exact & Lossless
Watermarks are stripped cleanly while leaving non-watermarked content byte-identical.
Engineered with Zero Compromise
How Compixor.Ai redefines privacy, vector precision, and speed for PDF watermarking.
100% Client-Side
Stamps and watermarks are injected directly inside browser RAM. Zero files or bytes are sent to remote servers.
Instant Execution
No server queues, bandwidth throttling, or upload waiting times. Transformations happen in milliseconds.
Privacy Guaranteed
Zero telemetry on document contents. Complete client-side confidentiality for contracts and IDs.
Cross-Platform
Runs seamlessly in Chrome, Edge, Firefox, Safari, and mobile browsers with zero software installation.
Frequently Asked Questions
Answers to common questions about client-side PDF watermarking and removal
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