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ludy.dev

Serial Maker. Building 15 tools.

I built a collection of 160+ client-side utility calculators using Next.js and Tailwind CSS

I built a collection of 160+ client-side utility calculators using Next.js and Tailwind CSS

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2 min read

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Building a Zero-Database, No-Signup Quiz Engine for Instant Psychometric Scoring

Building a Zero-Database, No-Signup Quiz Engine for Instant Psychometric Scoring

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1 min read
Bayesian math is hard, so I built a zero-database A/B test & conversion calculator

Bayesian math is hard, so I built a zero-database A/B test & conversion calculator

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1 min read
Building a 10-in-1 Daily Puzzle Hub That Works Offline and Weighs Under 1MB

Building a 10-in-1 Daily Puzzle Hub That Works Offline and Weighs Under 1MB

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1 min read
Building a distraction-free poetry database that scores 100 on PageSpeed (No bloat, just beautiful layouts)

Building a distraction-free poetry database that scores 100 on PageSpeed (No bloat, just beautiful layouts)

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1 min read
I built a 3D printing parameter optimizer using Next.js and WebAssembly

I built a 3D printing parameter optimizer using Next.js and WebAssembly

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1 min read
Building a 100% Client-Side PDF Merger: How I Bypassed Server-Side Processing for Ultimate Privacy

Building a 100% Client-Side PDF Merger: How I Bypassed Server-Side Processing for Ultimate Privacy

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2 min read
Programmatic SEO without the bloat: Building a 500+ page static resource hub with Astro

Programmatic SEO without the bloat: Building a 500+ page static resource hub with Astro

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Building a 100% Client-Side JPG to PDF Converter (And Why I Skipped the Backend)

Building a 100% Client-Side JPG to PDF Converter (And Why I Skipped the Backend)

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1 min read
Building a static repository for print-perfect PDFs

Building a static repository for print-perfect PDFs

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I built a fast, static template library for small businesses using Astro and Tailwind

I built a fast, static template library for small businesses using Astro and Tailwind

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How I Compiled 30-Year-Old Console Emulators to WebAssembly to Play 3,000+ Retro Games in the Browser

How I Compiled 30-Year-Old Console Emulators to WebAssembly to Play 3,000+ Retro Games in the Browser

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2 min read
Zero-Server Video & Image Conversion: Harnessing WebAssembly for Client-Side HEIC/MOV Processing

Zero-Server Video & Image Conversion: Harnessing WebAssembly for Client-Side HEIC/MOV Processing

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2 min read
Under the Hood of a Zero-Dependency MACRS and Depreciation Engine

Under the Hood of a Zero-Dependency MACRS and Depreciation Engine

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Building a zero-dependency localization engine for global construction costs

Building a zero-dependency localization engine for global construction costs

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1 min read
How I built a static PDF generation pipeline for clean printable templates

How I built a static PDF generation pipeline for clean printable templates

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1 min read
Programmatically Generating Print-Ready Vector PDFs for the Web

Programmatically Generating Print-Ready Vector PDFs for the Web

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1 min read
Under the Hood: Building a zero-signup, client-side home repair cost estimator

Under the Hood: Building a zero-signup, client-side home repair cost estimator

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Tired of SEO Spam? Building a Static-First Directory for 85+ AI Tools

Tired of SEO Spam? Building a Static-First Directory for 85+ AI Tools

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Building a 100% Client-Side HEIC to JPG Converter: Zero Servers, Zero Uploads

Building a 100% Client-Side HEIC to JPG Converter: Zero Servers, Zero Uploads

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Building a Fast, Ad-Free Gacha Simulator and Pity Tracker: The Tech Stack and Math Behind GachaLab

Building a Fast, Ad-Free Gacha Simulator and Pity Tracker: The Tech Stack and Math Behind GachaLab

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1 min read
Rendering Custom Tesla Wraps in the Browser: A Deep Dive into Real-Time 3D Canvas Mapping

Rendering Custom Tesla Wraps in the Browser: A Deep Dive into Real-Time 3D Canvas Mapping

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Bridging the language gap: Under the hood of an AI-powered game UI translator

Bridging the language gap: Under the hood of an AI-powered game UI translator

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Building a zero-dependency, sub-100ms weight converter: Why client-side state is all you need

Building a zero-dependency, sub-100ms weight converter: Why client-side state is all you need

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1 min read
How I Engineered a Pixel-Perfect Layering Simulator for a Fashion Roguelike

How I Engineered a Pixel-Perfect Layering Simulator for a Fashion Roguelike

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Curing SEO Spam: How I built a clean, markdown-driven directory of AI Video Tools and APIs

Curing SEO Spam: How I built a clean, markdown-driven directory of AI Video Tools and APIs

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Building a zero-dependency Unicode text engine in the browser (and why clipboard APIs are still a pain)

Building a zero-dependency Unicode text engine in the browser (and why clipboard APIs are still a pain)

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2 min read
Under the Hood: Building a Zero-Backend, Ultra-Fast Construction Calculator Suite

Under the Hood: Building a Zero-Backend, Ultra-Fast Construction Calculator Suite

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Indexing 31,102 Verses: Building a Zero-Latency, Zero-Database Bible API

Indexing 31,102 Verses: Building a Zero-Latency, Zero-Database Bible API

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Inside a Zero-Backend Chart Engine: Rendering SVGs Directly in the Browser

Inside a Zero-Backend Chart Engine: Rendering SVGs Directly in the Browser

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How I built a privacy-first, zero-tracker TDEE calculator that loads in under 100ms

How I built a privacy-first, zero-tracker TDEE calculator that loads in under 100ms

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1 min read
Building a Zero-Dependency Body Fat Calculator: The Math, the Navy Formula, and 100% Client-Side JS

Building a Zero-Dependency Body Fat Calculator: The Math, the Navy Formula, and 100% Client-Side JS

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Under the Hood: Building a 100% Client-Side PDF Invoice Engine in the Browser

Under the Hood: Building a 100% Client-Side PDF Invoice Engine in the Browser

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How I built a 100% free AI Rapper Name Generator with zero database overhead

How I built a 100% free AI Rapper Name Generator with zero database overhead

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I built a client-side Barcode & QR Generator with zero backend overhead

I built a client-side Barcode & QR Generator with zero backend overhead

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How I handled floating-point math nightmares in a zero-dependency APY calculator

How I handled floating-point math nightmares in a zero-dependency APY calculator

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Bypassing the SEO Spam: How I Built a High-Performance Directory on a Zero-Dollar Budget

Bypassing the SEO Spam: How I Built a High-Performance Directory on a Zero-Dollar Budget

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Under the Hood of EngConvert: Solving Floating-Point Precision in Web-Based Engineering Tools

Under the Hood of EngConvert: Solving Floating-Point Precision in Web-Based Engineering Tools

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1 min read
I built an open-source FSD CAN Mod Tracker using SvelteKit and Tailwind

I built an open-source FSD CAN Mod Tracker using SvelteKit and Tailwind

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1 min read
Show Dev: BloxMeta — a real-time Roblox code tracker I built with Next.js

Show Dev: BloxMeta — a real-time Roblox code tracker I built with Next.js

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How I built a hyper-fast, zero-dependency World Clock using the native Intl API

How I built a hyper-fast, zero-dependency World Clock using the native Intl API

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How I built a lightning-fast directory of 70+ AI writing tools using Next.js and static JSON

How I built a lightning-fast directory of 70+ AI writing tools using Next.js and static JSON

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How I Built a 50-Player Real-Time Multiplayer Web Game with WebSockets and HTML5 Canvas

How I Built a 50-Player Real-Time Multiplayer Web Game with WebSockets and HTML5 Canvas

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How I built a fast, zero-database AI Pricing Tracker using Astro & Tailwind

How I built a fast, zero-database AI Pricing Tracker using Astro & Tailwind

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I Built an AI Tools Directory with 145+ Apps — Here's the Stack and the Ugly Bits

I Built an AI Tools Directory with 145+ Apps — Here's the Stack and the Ugly Bits

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How I built a physics-based weather merging game for the browser in a weekend

How I built a physics-based weather merging game for the browser in a weekend

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How I built a fast, client-side puzzle solver suite using Next.js and Web Workers

How I built a fast, client-side puzzle solver suite using Next.js and Web Workers

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I built a fantasy name generator with real etymology using Next.js and linguistic databases

I built a fantasy name generator with real etymology using Next.js and linguistic databases

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I Built ImageNav: A Free AI Image Tools Directory (And Here's What I Learned About the AI Art Revolution)

I Built ImageNav: A Free AI Image Tools Directory (And Here's What I Learned About the AI Art Revolution)

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4 min read
I Tested 50+ AI Video Tools So You Don't Have To: Here's What Actually Works in 2026

I Tested 50+ AI Video Tools So You Don't Have To: Here's What Actually Works in 2026

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Why I Built BloxMeta: The Free Roblox Code Database Every Gamer Needs

Why I Built BloxMeta: The Free Roblox Code Database Every Gamer Needs

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2 min read
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