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Why a black box doesn't redact a PDF (and how to remove the text for real with MuPDF WebAssembly)

Why a black box doesn't redact a PDF (and how to remove the text for real with MuPDF WebAssembly)

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4 min read
ffmpeg.wasm to WebCodecs: the 12x Gap, What Broke, and What Still Can't Move

ffmpeg.wasm to WebCodecs: the 12x Gap, What Broke, and What Still Can't Move

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6 min read
DWG to KML in the Browser: From CAD Entities to Geographic Coordinates

DWG to KML in the Browser: From CAD Entities to Geographic Coordinates

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11 min read
Why your iPhone video won't play on your PC (and how a browser tab fixes it in seconds)

Why your iPhone video won't play on your PC (and how a browser tab fixes it in seconds)

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5 min read
How to check a STEP to STL conversion without opening the STL

How to check a STEP to STL conversion without opening the STL

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4 min read
i ported No One Lives Forever (2000) to the browser with Claude

i ported No One Lives Forever (2000) to the browser with Claude

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1 min read
I simulated 20 years of AI taking jobs. The rich countries lose first.

I simulated 20 years of AI taking jobs. The rich countries lose first.

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3 min read
How We Built a Zero-Upload, In-Browser PDF Toolkit Using WebAssembly (No Cloud Server Required)

How We Built a Zero-Upload, In-Browser PDF Toolkit Using WebAssembly (No Cloud Server Required)

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3 min read
Building PDF tools that never upload your file: pdf-lib, pdf.js and qpdf in WebAssembly

Building PDF tools that never upload your file: pdf-lib, pdf.js and qpdf in WebAssembly

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3 min read
When 9.75 becomes 975: what silently breaks in browser-side invoice OCR

When 9.75 becomes 975: what silently breaks in browser-side invoice OCR

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6 min read
No Cloud Uploads: Client-Side 4K Video Compression with WebCodecs & WebGPU

No Cloud Uploads: Client-Side 4K Video Compression with WebCodecs & WebGPU

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6 min read
Flutter Web in 2026: Why WebAssembly Changes Everything

Flutter Web in 2026: Why WebAssembly Changes Everything

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2 min read
How I built 60+ file tools that never upload your files

How I built 60+ file tools that never upload your files

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7 min read
Inferencia de Precios Dinámicos en el Edge: Optimizando el p99 mediante WebAssembly y Modelos Cuantizados en Arquitecturas Composable

Inferencia de Precios Dinámicos en el Edge: Optimizando el p99 mediante WebAssembly y Modelos Cuantizados en Arquitecturas Composable

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6 min read
Converting video and audio to MP3 in the browser with ffmpeg.wasm: notes from building one

Converting video and audio to MP3 in the browser with ffmpeg.wasm: notes from building one

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3 min read
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