'## What I Built
Eight developer tools that run entirely in your browser — no files uploaded, no server-side processing, no tracking.
Tool
Description
JSON Formatter
'## What I Built Eight developer tools that run entirely in your browser — no files uploaded, no...
'## What I Built
Eight developer tools that run entirely in your browser — no files uploaded, no server-side processing, no tracking.
Tool
Description
JSON Formatter

I got tired of the same thing happening every day. Google "json formatter online." Land on a site...

Every developer has a folder of bookmarks for one-off tools — a JWT decoder here, a Base64 encoder...

I Built 30+ Free Online Tools with Vanilla JS – No Frameworks, No Signup Why I Built This As a...

I built CodeToolkit — 14 free dev tools, no login, no BS Every developer has been...

I was debugging an authentication issue at 11pm when I caught myself pasting a production JWT token...

I keep running into the same friction points: "How much will this prompt cost on GPT-4o vs Claude?",...