Engineering & Architecture Journal

Technical Blog & Guides

Deep dives into browser sandboxing, WebAssembly compilation, client-side cryptography, format benchmarks, and zero-knowledge architectures.

5 Technical Deep Dives • 100% In-Browser Privacy • Updated September 2026

Featured Whitepaper August 15, 2026 7 min read

How WebAssembly & WebGPU Enable 100% Client-Side File Transcoding

A comprehensive architectural analysis exploring how compiled C++ and Rust transcoding engines run directly inside client browser worker threads using WebAssembly (WASM). Learn how memory sandboxes, zero server hops, and WebGPU compute pipelines protect data privacy while outperforming traditional cloud queues.

WebAssembly (WASM) WebGPU Compute Emscripten Pipeline Zero Server Uploads Linear Memory Sandbox

Read Technical Guide

By SendUrFile Systems Architecture Group

Format Deep Dive August 20, 2026 • 6 min read

HEIC vs WebP vs AVIF: Which Modern Image Format Should You Choose?

A rigorous comparison of next-generation image codecs evaluating compression efficiency, browser compatibility, 10-bit color bit depth, and patent licensing models across the web.

Image Compression libheif AVIF

Read full guide Format Analysis

Security & Cryptography August 25, 2026 • 8 min read

Zero-Knowledge Architecture: Protecting Privacy in Browser File Sharing

How SendUrFile uses the W3C Web Crypto API, AES-GCM 256-bit Galois/Counter Mode encryption, and URL hash key partitioning to ensure relay servers cannot inspect private payloads.

AES-GCM-256 Web Crypto Zero-Knowledge

Read full guide Cryptography

Document Processing August 28, 2026 • 6 min read

The Mechanics of Lossless PDF & Vector Compression in the Browser

Optimizing PDF contracts, architectural blueprints, and vector graphics without text degradation: font subsetting, Flate stream re-compression, and object deduplication executed in RAM.

PDF Stream Optimization Flate DEFLATE Font Subsetting

Read full guide Vector Engine

Enterprise Data September 2, 2026 • 6 min read

Secure Client-Side Data Parsing: Keeping Enterprise Spreadsheets Private

Why transforming sensitive CSV, JSON, and XLSX datasets locally inside the browser memory container guarantees strict Sarbanes-Oxley (SOX), ISO 27001, and GDPR Article 32 adherence.

GDPR Compliance CSV / JSON Parsing Zero-Retention

Read full guide Compliance