File forensics
Every file has a story its extension doesn't tell.
DropCheck reads the actual bytes of your images, fonts, and PDFs — what a file really is, where it will break, and what it's leaking. Then it fixes what it can.
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Drop files here
Images (JPEG, PNG, HEIC, WebP, TIFF, PSD…), fonts (OTF/TTF/WOFF), and PDFs. Analysis is instant and local.