GOD OF TOOLS JOURNAL
Practical tutorials, deep dives and useful explainers for the tools you use every day.
Smartphones embed your exact geographical coordinates, camera serial numbers, and uncropped preview thumbnails inside every photo you take. Discover the forensic risks of EXIF data and how to sanitize images client-side.
An architectural deep dive into why corporate PDFs balloon to 80MB and how modern client-side engines achieve 70%+ lossless reductions using Flate compression and font subsetting.
An exhaustive technical comparison of modern image codecs. Discover why AVIF wins file weight but taxes mobile CPUs, where WebP remains the web workhorse, and why JPEG XL is the future of archival photography.
An engineering exploration of cryptographic one-way functions. Understand why MD5 collapsed under collision attacks, how SHA-256 powers git commits and blockchains, and why password security demands memory-hard key derivation functions.
Lenders routinely disguise 18% effective interest rates as "10% flat rates." Unpack the exact annuity equations governing bank loans, discover why the first 5 years of a mortgage service bank profit, and calculate the physics of early prepayment.
