What people commonly need to hide
Support tickets, bug reports, documentation and social posts regularly include email addresses, customer names, phone numbers, API keys, session tokens, invoices and internal URLs. Redacting them before sharing is a basic privacy habit and often a compliance requirement.
ScreenshotBeautifier lets you redact and style in the same pass, so a safe screenshot is also a good-looking one.
Blur, pixelate or blackout
Blur softens details and is fine for casual privacy, such as hiding a face or a name in a public post. Pixelate reduces the area to coarse blocks with a similar purpose.
Blackout paints solid pixels over the region and is the safest choice for credentials, financial data and anything a determined viewer might try to recover. When in doubt, use blackout and make the box slightly larger than the text.
Why local processing matters
Many online blur tools upload your file first. That defeats the purpose if the image contains secrets. Here the image is decoded and edited on a canvas in your own tab, and the exported file is created locally. You can even disconnect from the internet after the page loads and it will keep working.
Always check the final export by zooming in before you share it.
A redaction checklist before you share
Read the whole image slowly, not just the obvious area. Sensitive details hide in tab titles, browser bookmarks, the address bar, the operating system clock and notifications, file paths that contain your name, avatars, order numbers, IBANs, license keys and the small print in footers.
Check the edges of the capture and any scrolled or collapsed areas. Then check metadata: an image can carry EXIF data such as location or device model. Exporting from a canvas creates a fresh file, which normally drops the original metadata, but it is still good practice to inspect files that will be published widely.
Redaction mistakes that leak data
Light blur on small text can sometimes be reconstructed, especially when the text uses a known font and size. Pixelation with large blocks is stronger but still not a guarantee. Overlays that are only layered on top of an image inside a document (for example a black rectangle in a PDF or slide) can be removed by the recipient, because the original pixels are still underneath.
That is why exporting a flattened image matters. When you export from ScreenshotBeautifier, the redaction is merged into the pixels of the image file, so there is no hidden layer to peel away.
Privacy for support teams, writers and educators
Support teams can share reproducible screenshots without exposing customer data. Technical writers can keep documentation screenshots free of real accounts. Educators can show a student's work without naming the student. Journalists and researchers can publish evidence while protecting sources. In each case, a fast, local tool reduces the temptation to skip redaction because it is inconvenient.
If your organisation has a data protection policy or works under regulations such as GDPR or HIPAA, treat this tool as a helper and follow your internal review process for anything high-risk.
Redact first, decorate second
The order of work matters. Place your redaction boxes first, verify them at full zoom, and only then choose the background, frame and shadow. That way you never style an image that still contains something you meant to hide, and you avoid accidentally covering a redaction with a decorative element.
How to do it in 4 steps
- Load the screenshot containing private data.
- Turn on redact mode and draw a box over each sensitive area.
- Choose blackout for secrets, or blur/pixelate for low-risk details.
- Zoom into the preview to verify, then export.
Frequently asked questions
Is blur enough to hide a password?
No. Use blackout for credentials and keys. Blur and pixelate are better for low-risk cases.
Are my images uploaded?
No. Redaction and export happen locally in your browser.
Can I add several redaction boxes?
Yes. Draw as many as you need and mix blur, pixelate and blackout types.
Does redaction survive export?
Yes. The effect is baked into the exported PNG, JPEG or WebP pixels.
Does exporting remove image metadata?
The export is generated from a canvas, so the new file does not copy the original EXIF metadata. Inspect the result if it is critical.
Can someone undo the blackout?
No. The exported pixels are flattened, so there is no separate layer to remove.
Should I blur or black out an email address?
Black it out. Emails are short, and blur on short strings is more likely to be reversible.
Try it on your own screenshot
Paste an image with Ctrl+V and style it in seconds.