SmartWatermark is a 100% browser-based watermarking tool. No servers. No uploads. All processing runs locally via Web Workers. • Bulk & Fast: Drop hundreds of images (JPEG, PNG, WebP, HEIC). Export as ZIP. • EXIF Shield: Strip GPS data locally, preserve copyright. • Smart Contrast: Watermarks auto-adapt to image brightness. Free to start. Pro license: $29 (one-time payment).