8 Free Browser Tools I Use Daily as a Freelance Developer (All in One Place, No Login, Works instantly)

Most "free tool" sites are either ad-riddled, broken on large files, or gate basic features behind a signup. I spent way too long cycling through them before landing on one that actually works for my day-to-day. Everything below is from ToolsUp.net — a browser-based toolkit I keep open in a pinned tab. No account, no upload limits, nothing installed. Here's what I actually reach for and when. ( toolsup.net ) Image Converter — WebP conversion that handles real files If you're building for the web in 2026 and still serving JPEGs everywhere, PageSpeed is telling you about it. The Image Converter on ToolsUp handles JPG, PNG, and WebP conversions in-browser. What I care about: it works on large files without timing out, supports bulk conversion when I have a full asset folder to process, and nothing gets uploaded to a server. Everything runs locally in the tab. I use this before almost every client handoff that involves images. Screenshot Beautifier — For sharing work that actually looks go