# Fizim

> Free forever, instant five-character URL shortener by penqn. No account needed.

Fizim (https://fiz.im) is a clean, minimal, lightning-fast URL shortening service operated by penqn. Anyone can generate an instant five-character short link (https://fiz.im/{code}) with zero signup, no tracking cookies, and immediate HTTP 302 redirects.

## Core Features

- Free forever: No paid plans, no subscriptions, no paywalls.
- No account needed: Instant access directly from the homepage without registration or login.
- Five-character short links: Case-sensitive alphanumeric codes matching ^[A-Za-z0-9]{5}$.
- Lightning redirects: Fast edge and serverless HTTP 302 redirects.
- Built-in safety: SSRF protection, private IP blocking, protocol restrictions (HTTP/HTTPS only).
- Database rate limiting: Enforces 3 short link creations per 10 minutes per IP address.

## URLs and Endpoints

- Web Application: https://fiz.im/
- Public GraphQL API: https://api.fiz.im/graphql (or /graphql)
- Short Link Format: https://fiz.im/{code} (e.g., https://fiz.im/aB9xQ)
- Full Technical Reference: https://fiz.im/llms-full.txt
- Security Disclosure: https://fiz.im/.well-known/security.txt

## Organization

- Company: penqn
- Contact: support@penqn.in