Free Online Image Watermark Tool — im8.app

Add text or logo watermarks to your photos instantly. No upload required — everything runs in your browser. Drag the watermark to any position, adjust opacity, rotation, font, and color. Export as PNG, JPG, or WEBP. Batch process multiple images and download as a ZIP file.

Features

Text watermark, image and logo watermark, tile mode, diagonal repeat, rotation, opacity control, font size, batch processing, ZIP export, style presets, before and after preview, output resize, aspect ratio lock.

Privacy

Your images never leave your device. No server upload, no account required, completely free to use.