Send a lucky red envelope 🧧
270270 Number Lab is free for everyone, with no paywalls and no sign-ups. Your red envelope keeps the servers running, funds new tools and videos, pays bilingual writers, and puts real prizes in our monthly contests.
Choose your envelope
Secure checkout by the payment provider. We never see your card details. Donations are not tax-deductible.
Where every dollar goes
⚙ Operations
Domain, hosting, email, security and the tools that keep the lights on.
🎬 Content & video
New decoders, 500+ number pages, and YouTube Shorts for every number.
📣 Promotion
Reaching learners, couples and businesses through social media, partners and ads.
🧑🎨 Talent & prizes
Paying bilingual writers, video creators and experts, and funding monthly prizes.
Monthly supporters get more luck
Friend · $8/mo
- Name on the Supporter Wall
- Monthly lucky-dates email
Patron · $18/mo
- Everything in Friend
- Early access to new tools
- Bonus contest entry each month
Sponsor · $88/mo
- Everything in Patron
- Logo/link on the Supporters page
- 1 free Starter audit per year
🧧 Supporter Wall
Your name and message could be here.
Gōngxǐ fācái: wishing you prosperity.
Good things come in pairs, like 270·270.
Pledge, sponsor or give in-kind
Bank transfer, corporate sponsorship, prize donations for contests, or services (translation, video editing, hosting). Tell us and we'll send a secure link or agreement.
Corporate sponsorships & partnerships: see options or contact via web.works.