WorkersCanDo

Overview

WorkersCanDo is a build-in-public project: 100 small developer tools, each running on Cloudflare Workers. Every tool does one thing, runs at the edge and is free with no signup, and the code is open so anyone can read and copy it.

What it does

1. URL Metadata APIPulls title, description and OG tags from any URL.
2. OG Image GeneratorGenerates social share images on the fly.
3. KV URL ShortenerShort links backed by Workers KV, with edge analytics.
4. PromptGuardScreens prompts for injection attempts.
5. API ThrottleDrop-in edge rate limiting for any endpoint.
6. Dead Man's SwitchAn encrypted message released if you stop checking in.

The problem

It started as a way to really learn what Cloudflare Workers are good at by shipping real tools instead of reading docs, while giving developers free, signup-free utilities.

Stack