Check out some examples below
Giving a stranger a compliment
Holding the door for a stranger
Giving someone else your seat on the bus
Smile at a stranger as you walk past
Wish someone a good day or ask them how they are doing
Leave kind messages around (on mirrors, bulletin boards)
Express your appreciation for someone who works in your building
Give an extra-large tip to a service worker and/or express your gratitude for their work
Let someone go ahead of you in line
Pay for the person behind you in a drive-thru
Offer directions to someone who looks lost
Help someone carry heavy groceries or bags
Leave a positive review for a local small business
Give a gift card for food to someone in need
Pay for someone's groceries
Volunteering at a local organization (food drives, charity, assisted-living home, etc.)
Donate to Goodwill/your local clothing drive
Donate blood
Post old belongings that people might want to your local “Buy Nothing” group on Facebook
Plant a tree or community garden
Host or join a local clean-up day
Pick up trash in your neighborhood
Donate books to a local school or library or a neighborhood 'Little Free Library'
Donate money to your favorite charity
Help out at a local church or community event
Tell a loved one how much you appreciate them
Buy a friend a coffee/meal
Write a thank-you note to someone who has made an impact on your life
Do extra chores/housework for your roommates or family
Make extra food and offer it to a friend
Call a relative or old friend just to check in
Send a care package to someone going through a tough time
Reach out to someone you know who is struggling and invite them to get out of the house with you
Cheer a loved one up with a heartfelt card or note
Send a friend or relative some flowers
Offer to petsit or babysit for someone