Free online Annotate tools that run directly in your browser — Mark up screenshots and photos with watermarks, arrows, callouts, numbered steps, and privacy blur. Annotate images locally in your browser — nothing is uploaded and details stay on-device.

• 💧 Watermark
• ➡️ Arrows & Callouts
• 🔒 Blur Sensitive Areas
• 🔢 Numbered Steps
• 🖊️ Screenshot Marker