Small utilities we built for our own work and left open for everyone. No sign-up, no charge.

Tanzania Payroll Calculator Work out PAYE, NSSF, WCF and SDL from a gross or net salary, using current Tanzanian rates. Explore Cheque Printing Print cheques that line up correctly on Tanzanian bank stationery, with saved templates per bank. Explore What Is My IP Address See your public IP address, network provider and approximate location, instantly. Explore Ping & Uptime Check Check whether a website or server is reachable, and how long it takes to respond. Explore Colour Picker Pick a colour and copy it as HEX, RGB or HSL, with accessible contrast checking. Explore World Clock Compare the time in Dar es Salaam against any other city before you schedule a call. Explore Calculator A clear calculator with a running tape, VAT helpers and keyboard entry. Explore To-Do Tasks A quick task list that stays in your browser — no sign-up, nothing sent anywhere. Explore Compress & Resize Images Make a photo small enough to email or upload, without it turning to mush. Runs in your browser — the picture never leaves your computer. Explore Convert Image Format Turn a photo into JPG, PNG or WebP — whichever the form you are filling in insists on. Explore Photos to PDF Photograph a document with your phone and turn the pictures into one PDF, in the right order, ready to send. Explore Merge PDFs Join several PDF files into one, and drop the pages you do not want. Nothing is uploaded. Explore