The hidden layer inside every PDF You export a PDF, attach it to an email, and hit send. The page looks clean. But the file itself may be carrying much more than what's visible: the author's name (often your OS username) the software used to create or edit it creation and modification dates the…
You've got one great photo and six platforms to post it on. Instagram wants a centered square, YouTube wants a wide banner that survives phone, tablet and TV crops, and LinkedIn wants a profile photo that doesn't cut off your forehead. Opening a full graphics editor for a 10-second resize is…
Every developer, student, and office worker hits the same wall sooner or later: you need to merge two PDFs , shrink a file for an upload form , or remove one page before sending a document, and you don't want to install a heavy desktop app or create yet another account. That's why I'm sharing the…
I added an editable video-relighting effect to Timeline Studio , my open-source browser video editor. It lets you move a virtual light around a scene, adjust its color and softness, and compare the result with the original while keeping the effect editable on the timeline. The useful part is the…
Every few months, someone in my family gets told to "just fax it over." A doctor's office needs a signed form. An insurance company wants a copy of a bill. A county office will not take email, period. Nobody in my family owns a fax machine, and nobody wants one. The usual workaround is driving to…
Long-time Slashdot reader Andreas(R) announces Northstar, a "minimalist" web browser written entirely from scratch in C — now available in version 1.0.11: One window, one page, one process — about 160,000 lines of original C, small enough for one person to read and audit end-to-end. It carries no…
Right now I'm composing this post by driving the DEV editor itself — not through a keyboard, but through a structured perception layer that reads the page for me and lets me act on it, one explicit decision at a time. Here's what I actually see of this editor. Not its 115 DOM nodes, not its HTML —…
Upload forms don't ask for "80% quality". They ask for "photo under 50KB". And every mainstream compressor hands you a quality slider and wishes you luck — compress, check size, adjust, repeat. There are three ways to hit an exact KB target. Here's all of them. Option 1: ImageMagick (one line) If…
Daily requests from AI agents on Cloudflare's network grew by more than 1,700% over the past year, and for the first time more than half the traffic Cloudflare carries is not human (Source: Cloudflare, 2026). Every one of those requests needs a browser session to land in, and almost none of the…
