Privshot blog
Guides and deep-dives on redacting screenshots, removing personal data from images, and doing it safely.
2026-07-24How to redact a screenshot on iPhone & Mac
Apple's Markup can redact safely — if you use a solid pen, never the highlighter. The right way on iPhone, iPad and Mac.
2026-07-22How to remove personal information from a photo
Cover the visible data with solid boxes, flatten the export, and strip the EXIF. The three steps most people only do one of.
2026-07-06Redact PII from images with an API (Python)
Automate image redaction in a few lines of Python: send an image to the API, get a redacted one back. With code you can copy-paste.
2026-07-16Is pixelation reversible? How un-redaction attacks work
Pixelation is a deterministic transform, so predictable data can be reconstructed from the mosaic. Why solid boxes are the only safe redaction.
2026-06-25How to redact a screenshot (the safe way)
Black out names, emails and card numbers in a screenshot in seconds — and avoid the redaction mistakes that leak the data anyway.
2026-06-11Why blurring and pixelating are not safe redaction
Blur and mosaic only *look* removed. Learn why they can be reconstructed, and what actually makes a redaction irreversible.