Everyday Tools
Free PDF, image and everyday tools that run right in your browser. Merge a PDF, shrink a photo, convert a unit, or check your BMI — no sign-up, no email, and your files never leave your device.
PDF tools
Merge PDF
Combine several PDF files into one PDF, in the order you pick. Free, and your files never leave your device.
Open tool →Image tools
Image Compressor
Shrink a photo file with a quality slider, and compare the before and after sizes.
Open tool →Everyday tools
Unit Converter
Convert length, weight, temperature and volume — miles to km, pounds to kg, and more.
Open tool →Age Calculator
Work out your age in years, months and days, and count down to your next birthday.
Open tool →Percentage Calculator
Find a percent of a number, a percent change, or what percent one number is of another.
Open tool →BMI Calculator
Work out your body mass index from height and weight, with the standard categories.
Open tool →Word Counter
Count words, characters and sentences in any text, and see how long it takes to read.
Open tool →Guides
- How to Compress a PDF — what makes a PDF big, and what actually shrinks it.
- Image Formats Explained: PNG vs JPG vs WebP — which format to use, with real file sizes from one test photo.
Why use these tools?
Most free PDF and image tools ask you to upload your files to their server first. That means a copy of your document or photo sits on a computer you do not control, even if only for a minute. These tools work the other way round: everything happens in your browser, on your own device. The file you pick never travels over the internet at all, so there is nothing to leak and nothing to delete later. It also means the tools work the same whether you are on a phone, a tablet or a desktop, and there is no account to make and no email address to hand over.
Each tool page shows you how to use it, a worked example with real numbers, and answers to the questions people actually ask — for example, how do I merge two PDF files for free, or how can I compress an image without losing quality. If a tool has limits, the page says so plainly. The PDF tools use the pdf-lib library, kept on this site, and the image tools use your browser's built-in canvas — no outside service is involved at any point.
Your files never leave your device. This tool runs fully in your browser. Your files are not uploaded to any server, not stored anywhere, and not seen by anyone else. Close the tab and they are gone.