Field notes on private file work.
Practical posts on browser-side compression, PDF workflows, image formats, and the cryptography that makes "no upload" actually true.
HEIC to JPG: The Complete Conversion Guide for 2026
iPhone saves every photo as HEIC by default. Here is exactly why that causes problems and how to convert HEIC to JPG instantly without uploading your photos to any server.
How to Compress Images Without Losing Quality (2026 Guide)
The difference between lossy and lossless compression, which quality settings actually matter, and how to reduce image file sizes by up to 80% without visible degradation.
How to Merge PDF Files Online — Free, Private, No Upload
Combine multiple PDF files into one document in seconds. No account, no upload, no file size limit. Everything runs in your browser using pdf-lib.
How to Remove EXIF Data from Photos Before Sharing Them
Every photo taken on a smartphone contains hidden metadata including GPS coordinates, device model, and the exact time it was taken. Here is how to strip it before sharing.
WebP Explained: Should You Convert Your Images to WebP in 2026?
WebP produces images 25–35% smaller than JPG at equivalent quality. Here is when converting makes sense, when it does not, and how browser support looks in 2026.