Remove metadata from PNG (.png)
Step-by-step: what metadata PNG contains, how ExifSweep removes it, and what gets preserved.
What PNG typically leaks
- tEXt / zTXt / iTXt blocks (creator, comments, copyright)
- eXIf chunk (if exported from a camera-aware tool)
- tIME (last modification timestamp)
- iCCP color profile (may include editor info)
Why this matters
PNG is common for screenshots and web graphics. Screenshots from macOS leak the device name in iCCP.
How ExifSweep cleans it
We walk the PNG chunk structure and drop metadata chunks while keeping image data (IDAT) and structural chunks intact.
What we preserve
All image data; color management chunks (sRGB, gAMA) are kept so rendering is unchanged.
Try it on your .png file
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