Screenshot Annotator — Draw, Highlight & Blur
Capture or upload a screenshot, then annotate with arrows, text, highlights, and blur sensitive info. Runs in your browser. Free, private, no signup.
100% FreeNo SignupPrivate
Tip: You can also paste an image from clipboard anywhere on this page.
Frequently Asked Questions
Is my screenshot uploaded anywhere?▼
No. Everything runs in your browser — the image never leaves your device.
Can I capture my screen directly?▼
Yes. Click 'Capture Screen' to use your browser's native screen capture. You can also paste from clipboard (Ctrl/Cmd+V) or upload a file.
What annotation tools are available?▼
Arrow, rectangle, text, highlight, blur (to hide sensitive info), and freehand pen.
What format is the downloaded image?▼
PNG with original resolution, preserving full quality.