Blur Screenshot Online — Redact in Seconds
Draw rectangles over passwords, emails, or any sensitive data. Choose blur or solid black. Your screenshot never leaves your browser.
PaintDim's screenshot redaction tool runs entirely in your browser — your image is never sent to any server. Drop your screenshot, drag rectangles over passwords, emails, or any private data, choose blur or solid black, and download the redacted image. Free, no account, no watermark.
| Feature | PaintDim | Canva | Snagit |
|---|---|---|---|
| Files stay on your device | ✓ Always | ✗ Uploads to server | ✓ Desktop app |
| No signup required | ✓ | ✗ Account required | ✗ License required |
| Free to use | ✓ | Limited free tier | ✗ Paid software |
| Works in browser | ✓ | ✓ | ✗ Desktop only |
Sources: Canva requires an account and uploads to their cloud. Snagit is paid desktop software. PaintDim uses the browser Canvas API.
Drag to add a zone • Click an existing zone to select it • Press Delete to remove selected
How it works
Drop
Upload your screenshot or image. PNG, JPEG, and WebP are supported.
Draw zones
Drag rectangles over any area you want to hide. Add as many as you need.
Download
Choose blur or solid black, then download the redacted image instantly.
Total privacy — guaranteed by design
Everything happens in your browser using the Canvas API. Your screenshots are never sent to any server — not even ours. Developers, support teams, and journalists trust this tool precisely because there is no backend to breach. Close the tab and everything is gone.
Need layers, selective erasing, or custom text overlays?
→ Open Full Editor — it's free