Free tools to grow your local business
Pick the winners of your Instagram giveaway, print a QR poster that brings Google reviews and see what customers who never come back really cost you. Free, no account, right in your browser.
- ✓ 100% free
- ✓ No sign-up
- 🔒 Everything runs in your browser: nothing is sent to or stored on our servers.
Instagram / TikTok giveaway picker
Paste comments → random winners and substitutes, with a verifiable PNG certificate to post in your story.
Open the tool →Google review QR poster
Google review link → A4 poster and table tent as PDF / PNG, in your colours, with your logo.
Open the tool →Lost customers calculator
Customers per day, average ticket, return rate → revenue lost per month and the gain with +10 points of returns.
Open the tool →Why these tools?
- ✓ Built for local businesses: cafés, restaurants, bakeries, shops, salons.
- ✓ No data sent: your participant lists and links stay on your device.
- ✓ Ready-to-post results: a draw certificate, an A4 poster and a printable table tent.
Turn your followers into customers
QR game, digital loyalty card and rewards valid on the next visit: Dawwerni gives your customers a reason to come back.
No app for your customers · set up in 10 minutesFrequently asked questions
Are these tools really free?
Yes. The giveaway picker, the Google review QR poster and the calculator are free and need no sign-up. Files carry a small “dawwerni.com” mention.
Is my data sent anywhere?
No. Everything is computed in your browser: the participant list, your Google link and your logo never leave your device.
What is Dawwerni?
Dawwerni is a gamified loyalty platform for local businesses: customers scan a QR code, play (spin wheel, quiz, mystery doors…) and win a reward valid on their next visit. 7-day free trial.