Free tools for shop owners.

Small tools for everyday counter work. They run in your browser, need no sign-up, and nothing you type is saved by us.

GST calculator

Add GST to a price or take it out of an MRP. See the CGST and SGST split, or IGST for another state.

Open the calculator

Barcode generator

Make EAN-13 store codes or Code 128 barcodes for items without one, and print a sheet of labels.

Make barcodes

Udhar reminder message

A polite payment reminder for WhatsApp in English, Hindi or Marathi, with a UPI link for the exact amount.

Write a reminder

Want this every day, automatically? KamaiPlus does all three inside the billing app: GST on every bill, a barcode for every item, and reminders from the khata. Book a free demo.