Save Time, Enjoy Life
Free browser tools that respect your privacy. No sign-ups, no uploads, no tracking. Just useful utilities that help you get things done faster.
Tools
Text Compare
Compare two texts and see differences highlighted. Word-level, character-level, or line-level comparison with multiple algorithms.
Try it →Compare Lists
Find what's unique and common between two lists. Supports multiple formats with options for case sensitivity, whitespace handling, and more.
Try it →PDF Companion
Merge, split, rotate, and convert PDFs entirely in your browser. Extract pages, add watermarks, convert images to PDF, without sending to a server.
Try it →PDF Compressor
Reduce PDF file sizes quickly and privately, right in your browser. Optimize documents for sharing and storage with no uploads required.
Try it →Infant Formula Compared
Compare 22 US infant formulas side-by-side, calculating cost per feed and per month, and nutritional information summarized and links to the manufacturer websites for full formula information.
Try it →Comma Separated List
Convert any list into a comma separated string. Supports rows, tabs, pipes, bullets, numbered lists and more, with sorting, deduplication, quoting, and custom delimiters.
Try it →Why "Nobu"?
Nobu is my dog. He reminds me every day that life is short and we should spend it doing what matters, not wrestling with tedious tasks.
Nobu Tools are built to save you time. Fast, private, no-nonsense utilities that just work, so you can get back to the people (and pets) you love.
Privacy First
Your data never leaves your browser. No uploads, no servers, no tracking.
Fast & Efficient
Built with WebAssembly for native-like speed. No waiting around.
Easy to Use
Simple, intuitive interfaces. Get results in seconds with no learning curve.