Watermark PDFs and images for free
Add text or logo watermarks to your documents right in your browser. Your files never leave your device.
Drop files or click to browse
PDF, JPG, PNG, or WebP. Up to 20 files and 45 MB per file.
Files stay in your browser.
Practical protection
Built for the files people share every day
IDs and certificates
Mark scans before sending them to hotels, rentals, schools, or onboarding forms.
Contracts and drafts
Stamp drafts with purpose, recipient, date, or “not for signature” before review.
Reports and evidence
Add context to PDFs and image files before forwarding sensitive material.
Compare first, watermark before sending.
Differino also compares PDFs, Word documents, and text files side by side, then lets you export or share the results.
Compare documents