multer
Express middleware for handling file uploads in multipart/form-data requests.
HTTP servers and APIs npm MIT
Used in agent projects
94
0.7% of 12,697 public repos built with AI coding agents
Rank in http servers and apis
#11 of 30
by use in those projects
Downloads
22.8M
npm, last 7 days, multer
GitHub stars
12.1K
last push Oct 6, 2026
How multer is used
multer is a dependency in 94 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (0.7%), #11 of 30 in http servers and apis. The most used alternative there is Express. Projects that use it most often also use Express (87.2%), dotenv (81.9%), cors (66.0%).
Often used with multer
| Express | 87.2% of multer projects · 13.5× more than average |
|---|---|
| dotenv | 81.9% of multer projects · 5.2× more than average |
| cors | 66.0% of multer projects · 19.8× more than average |
| jsonwebtoken | 43.6% of multer projects · 23.0× more than average |
| Axios | 38.3% of multer projects · 3.8× more than average |
| concurrently | 30.9% of multer projects · 6.8× more than average |
| Nodemailer | 29.8% of multer projects · 16.3× more than average |
| uuid | 29.8% of multer projects · 8.3× more than average |
By coding agent
| Claude Code | 0.7% of projects set up for it |
|---|---|
| GitHub Copilot | 0.8% of projects set up for it |
| Cursor | 1.0% of projects set up for it |
| Devin Desktop | 2.2% of projects set up for it |
Share of public repos configured for each agent that list multer as a dependency.
Install
| Package | npm install multer |
|---|---|
| Main stacks | TypeScript / JavaScript (79), Next.js (12), Python (3) |
| Example projects | 5pyj29s7cm-tech/LumiCore, gopaljilab/Clinical-Insight-Engine, Hackbyrd/orbital-express, aiko-tv/aiko-server, akave-ai/akavelink |
Alternatives to multer
| Tool | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|
| Express npm Fast, unopinionated minimalist web framework for Node.js. |
822 (6.5%) | 142M | 69.6K | MIT |
| Uvicorn pypi Lightning-fast ASGI server for running async Python web applications. |
544 (4.3%) | 13M | 11K | — |
| FastAPI pypi High-performance Python web framework with automatic API docs and async support. |
537 (4.2%) | 107M | 103K | — |
| cors npm Express/Node.js middleware for handling Cross-Origin Resource Sharing. |
422 (3.3%) | 86.8M | 6,195 | MIT |
| python-multipart pypi Streaming multipart parser for handling file uploads in Python web frameworks. |
217 (1.7%) | 92.8M | 536 | — |
| Flask pypi Lightweight Python web framework for building web applications and APIs. |
174 (1.4%) | 40.9M | 75K | — |
| Hono npm Ultrafast web framework for edge runtimes built on Web Standards. |
136 (1.1%) | 73.9M | 32.5K | MIT |
| express-rate-limit npm Express middleware for rate limiting API requests by IP address. |
105 (0.8%) | 57.6M | 3,311 | MIT |