bcrypt (JavaScript)
Password hashing library for secure credential storage in Node.js applications.
Auth and security libraries npm MIT
Used in agent projects
103
0.8% of 12,697 public repos built with AI coding agents
Rank in auth and security libraries
#10 of 47
by use in those projects
Downloads
6.3M
npm, last 7 days, bcrypt
GitHub stars
7,807
last push Apr 14, 2026
How bcrypt (JavaScript) is used
bcrypt (JavaScript) is a dependency in 103 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (0.8%), #10 of 47 in auth and security libraries. The most used alternative there is NextAuth.js. Projects that use it most often also use dotenv (57.3%), jsonwebtoken (44.7%), Zod (53.4%).
Often used with bcrypt (JavaScript)
| dotenv | 57.3% of bcrypt (JavaScript) projects · 3.6× more than average |
|---|---|
| jsonwebtoken | 44.7% of bcrypt (JavaScript) projects · 23.5× more than average |
| Zod | 53.4% of bcrypt (JavaScript) projects · 3.1× more than average |
| Express | 38.8% of bcrypt (JavaScript) projects · 6.0× more than average |
| ESLint | 76.7% of bcrypt (JavaScript) projects · 2.0× more than average |
| pg | 37.9% of bcrypt (JavaScript) projects · 12.9× more than average |
| Recharts | 36.9% of bcrypt (JavaScript) projects · 4.5× more than average |
| next-themes | 36.9% of bcrypt (JavaScript) projects · 4.2× more than average |
By coding agent
| GitHub Copilot | 1.3% of projects set up for it |
|---|---|
| Claude Code | 1.1% of projects set up for it |
| Cursor | 1.2% of projects set up for it |
| Devin Desktop | 4.0% of projects set up for it |
| Gemini CLI | 1.4% of projects set up for it |
Share of public repos configured for each agent that list bcrypt (JavaScript) as a dependency.
Install
| Package | npm install bcrypt |
|---|---|
| Main stacks | TypeScript / JavaScript (52), Next.js (49), Python (2) |
| Example projects | LastBotInc/nextjs-supabase-ai-webapp, gopaljilab/Clinical-Insight-Engine, Hackbyrd/orbital-express, Blackbox-Games-LLC/FullStack_InVaders, FightTheStroke/MirrorBuddy |
Alternatives to bcrypt (JavaScript)
| Tool | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|
| NextAuth.js npm Complete open-source authentication solution designed for Next.js applications. |
266 (2.1%) | 6.7M | 28.4K | ISC |
| bcryptjs npm Pure JavaScript bcrypt implementation for secure password hashing without dependencies. |
256 (2.0%) | 14.7M | 3,797 | BSD-3-Clause |
| jsonwebtoken npm Create, verify and decode JSON Web Tokens for authentication and secure data transmission. |
241 (1.9%) | 59.3M | 18.2K | MIT |
| cryptography pypi Python library providing cryptographic recipes and primitives for secure applications. |
213 (1.7%) | 281M | 7,803 | — |
| jose npm Comprehensive JWT and JWK handling for Node.js and web runtimes. |
141 (1.1%) | 151M | 7,824 | MIT |
| PyJWT pypi Python library for encoding and decoding JSON Web Tokens. |
128 (1.0%) | 154M | 5,714 | — |
| Better Auth npm Comprehensive authentication framework for TypeScript with multiple strategies. |
126 (1.0%) | 11.4M | 30.2K | MIT |
| Helmet npm Express middleware that sets HTTP security headers to prevent vulnerabilities. |
125 (1.0%) | 16.2M | 10.7K | MIT |