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William Andrews

Solo developer behind DevCrate.net — 21 free browser-based developer tools. JSON, WebSocket, JWT, REST, SQL, Regex and more. No login, no ads, no tracking. Your data never leaves your browser.

Education

The Pennsylvania State University

Pronouns

He/Him

Work

Develop useful dev tools.

Why Your API Keys and JWTs Are Safer in a Browser-Based Tool

Why Your API Keys and JWTs Are Safer in a Browser-Based Tool

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4 min read
How to Test WebSocket Connections in the Browser (No Install Required)

How to Test WebSocket Connections in the Browser (No Install Required)

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4 min read
I Built 21 Browser-Based Dev Tools in Pure HTML/CSS/JS — Here's What I Learned

I Built 21 Browser-Based Dev Tools in Pure HTML/CSS/JS — Here's What I Learned

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3 min read
When AI Over-Engineers: A DevCrate Case Study

When AI Over-Engineers: A DevCrate Case Study

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6 min read
Cron expressions explained — a complete guide with real examples

Cron expressions explained — a complete guide with real examples

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5 min read
A developer's guide to JWTs — how they work and why they break

A developer's guide to JWTs — how they work and why they break

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5 min read
A developer's guide to JSON — formatting, validation, and common mistakes

A developer's guide to JSON — formatting, validation, and common mistakes

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4 min read
Why I built DevCrate — and what makes it different

Why I built DevCrate — and what makes it different

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3 min read
I built 12 free developer tools that run entirely in your browser

I built 12 free developer tools that run entirely in your browser

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2 min read
How I Built and Deployed a Free Email Validation API with Python and FastAPI

How I Built and Deployed a Free Email Validation API with Python and FastAPI

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2 min read
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