Adds user accounts and data persistence to static sites without a backend.
Product memo
Developers building static web apps can add user accounts and data persistence using only client-side JavaScript. It replaces traditional backend and database needs, offering end-to-end encryption and simplifying GDPR compliance. This serverless approach appeals to developers seeking radical simplicity and privacy without managing infrastructure.
For who
Developers building static web apps
Solves what
Adds user accounts and data persistence to static sites without a backend.
- Client-side user accounts
- Zero-management database
- End-to-end encryption
In their own words
Create secure and private web apps using only static JavaScript, HTML, and CSS.
All Userbase features are accessible through a very simple JavaScript SDK, directly from the browser. No backend necessary.
Commercial cues
Model
subscription
Free tier
Yes
Trial
Available
Pricing Strategy
- • Tiered plans separate user/app limits from storage, allowing flexible scaling.
- • Free tier lowers testing friction.
Operator context
Operating setup
Team
VC / larger team
LLM classification
Founded
Feb 2019
HQ
United States
Platform
Web app
Audience
Developers
Payments
Stripe
Detected via TrustMRR
Social footprint
Market demand
Userbase keyword demand
5 keywords
Market demand is Starter-tier market intelligence.
Derived from this product’s latest SimilarWeb keyword mix — directional demand, not proof.
Builder Strategy
- Strategy Type
- Niche Specialist
- Stage
- Vc Growth
- Effort
- Solo Buildable
About Userbase Expand
Userbase helps developers build static web apps with full user account functionality and data persistence, all managed client-side. It provides a JavaScript SDK that removes the need for a traditional backend and database, simplifying development for those building serverless applications.
The platform includes end-to-end encryption and helps simplify GDPR compliance, serving developers who prioritize privacy and minimal infrastructure management. Its open-source, MIT-licensed approach further reduces friction for adoption.
