Blur an image online — without uploading it anywhere
Most “blur image online” tools work by uploading your screenshot to their server, processing it, and sending it back. That's exactly backwards for a privacy task: the whole reason you're blurring the image is that it contains something sensitive. imgblur does all processing in your browser with the HTML5 canvas. Disconnect your Wi-Fi after the page loads — it still works.
What people redact with imgblur
- Screenshots — API keys, emails, account numbers, names in support tickets & bug reports
- Faces — bystanders in photos you post publicly
- License plates — car photos for marketplaces & forums
- Documents — addresses and IDs before sharing proofs
- Streams & demos — dashboards with customer data
- Real estate — house numbers and personal items in listing photos
Blur vs. pixelate vs. blackout — which is actually safe?
Research has shown that light Gaussian blur over text can sometimes be reconstructed. Our rule of thumb: blur is fine for faces and general imagery, pixelate at strength 7+ destroys text reliably, and blackout is mathematically irreversible — the pixels are simply gone. When in doubt, go darker.
FAQ
Is my image uploaded to a server?
No. Processing happens in your browser via canvas. Nothing is transmitted; there's no backend.
Is blur enough to hide a password?
Not always — use Pixelate (strong) or Blackout for text you'd be in trouble over. Blur is best for faces and shapes.
Does it reduce my image quality?
Only inside the regions you redact. The rest of the image is exported pixel-for-pixel. Choose PNG for lossless output.
Can I use it for work / commercially?
Yes. A Pro tier with batch redaction and automatic face/text detection is coming — leave your email if that's useful to you.
Pro is coming: batch + auto-detect
Drop 100 screenshots, auto-blur every face & email address, download a zip. Still 100% on-device.