I Built a Zero-Friction Image Converter That Lives Entirely in Your Browser

Why I Built This Every few weeks I'd find myself needing to convert a PNG to WebP, or a TIFF to JPG — simple stuff. And every time, I'd either open a heavy desktop app, or land on some sketchy website plastered with ads and a "Upload your file to our servers" disclaimer. I didn't want to upload personal or client images to a random server. I just wanted to drop a file, pick a format, and be done in under five seconds. So I built PhotoConvert — a browser-based image converter that does the conversion entirely on your device. No server uploads, no accounts, no waiting. The Core Design Decision: Keep It Simple The temptation with any tool project is to keep adding features. Batch processing! Compression sliders! Metadata editing! I caught myself sketching out a full-blown image editor at one point. I deleted all of it. The thesis became: one job, done well, with zero friction . You arrive, you convert, you leave. That's it. This shaped every decision — from the UI layout to what options I