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Founder & Engineer • Anirone

The engineer behind Anirone and Awesome Crate. I build tools that run entirely in your browser — nothing to install, nowhere to upload — and write the Journal to explain how they work, honestly and in plain language.

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Authored Posts

The Near-Zero-Cost Architecture: Scaling Web Tools on Static Edge CDNs

Zero-Copy Binary Formats: Reading Structured Data Without Deserializing It

SharedArrayBuffer and Atomics: Lock-Free Ring Buffers Between Web Workers

Content-Addressable Storage and Merkle DAGs: Tamper-Proof Local State

Designing With OKLCH: Perceptually Uniform Color for Modern Interfaces

CRDTs Explained: How Offline Devices Sync Without a Server Deciding Truth

Raymarching and Signed Distance Functions: Procedural 3D From Pure Mathematics

Probabilistic Data Structures in JavaScript: Sub-Millisecond Membership Tests with Bloom Filters

Threat Modeling for Normal People: Protecting Your Documents Without Paranoia

What Is Local-First Software? The Idea Reshaping How We Build for the Web

IndexedDB or OPFS? Choosing Browser Storage for Large Binary Data

Encrypting Files in Your Browser with Native Web Crypto: A Working AES-GCM Guide

Web Workers and Transferable Objects: Off-Main-Thread Architecture in Practice

Ambient Productivity: Designing Focus Environments That Do Not Fight Your Brain

Redacting, Signing, and Assembling Sensitive PDFs Without Uploading Them

How to Add Grid, Dotted, or Ruled Pages to a PDF for Better Notes

How to Crop PDF Margins for Kindle, iPad, and Smaller Screens

How to Keep a Private Digital Diary Without Relying on Cloud Sync

Vector vs Raster PDF Inversion: Which Keeps Your Document Usable?

Pomodoro vs Longer Focus Blocks: How to Pick a Study Rhythm That Works

Why an Uninterrupted Focus Session Can Be More Useful Than a Pausable Timer

How Browser Storage and IndexedDB Keep Local Work Available—Until You Clear It

How WebAssembly and Web Workers Make Offline PDF Editing Possible

Client-Side vs Cloud PDF Tools: A Practical Privacy Guide Before You Upload

How to Print Two or Four Slides Per Page Without Making Notes Unreadable

Print Dark Lecture Slides Without Draining Your Ink: A Practical Guide

Zero-Knowledge Encryption Explained: What Protects a Private Digital Diary

Engineering Client-Side Sovereignty: Inside Awesome Crate's Zero-Upload Browser Architecture

Why Some Free Browser Tools Use Ads—and How to Allowlist a Site You Trust