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Photo Counter

Count anything on a photo: cells on a blood film or in a counting chamber, colonies or plaques on a plate, live and dead cells in culture, positive cells on a stained slide. Tap each one, sort them into kinds and download the marked picture as a record.

Open a photo to start countingA blood film, a haemocytometer square or a culture plate. You can also drop a picture here or paste one.Your photo stays on this device; nothing is uploaded.

Tap to mark; tap a mark again to remove it. Drag to move around, pinch or use + and − to zoom (Ctrl + scroll on a computer). Keys: 1–9 choose a kind, Ctrl+Z undoes, 0 fits the photo.

Results

0 counted

The picture keeps your marks, the counts and the caption, ready for a CPD portfolio, an assignment or lab records. Do not include patient details.

Kinds and settings

Disclaimer: The Photo Counter is a counting aid for teaching and practice. A count from a photo covers only the area photographed; follow your laboratory’s SOP for how many cells or colonies to count and where. Do not use photos that show patient details.