CropKaro
Upload a PDF or photo, mark the Front and Back of the card, and print card-size copies on A4.
Choose a file
Mark Front & Back
If the page looks sideways or upside-down, use Rotate or Flip first, then press Auto-detect. With Draw mode ON, drag on the preview to draw a box (the card ratio is locked). Turn it OFF to scroll.
Arrows move the selected box, plus and minus resize it. Use them for small adjustments.
Several cards (for example two Aadhaar cards) are placed on the A4 sheet automatically, row by row, and continue on a new page when it is full.
In the print dialog, set Scale to 100% / Actual size. If printing is tricky, download the A4 PDF and print that.
Choose documents
Tip: photograph each paper on a darker surface with the whole sheet in the frame. The app finds the four corners, straightens the sheet and removes the background.
Select the paper
Auto-detect finds the paper and trims empty space around the content. Drag the four round handles onto the corners you want. The result updates live. Several documents: tap a thumbnail to switch.
Result
Fix the selected document (it looks mirrored or sideways?):
Exports use the full resolution of your photo. The real size of a paper cannot be measured from a photo, so pick the output size you want.
Add photos
Use the − and + buttons to choose how many copies each row gets (at most 5 in a row at this size). The rows are placed from the top of the A4 sheet downward.
Adjust the photo
Drag the photo to move it inside the frame, and use Zoom to crop closer. If your photo has a black border line, tap Remove border.
A4 sheet
In the print dialog, set Scale to 100% / Actual size so every photo prints at its real size.