Tool library

Useful online tools for everyday decisions and quick checks.

Explore clean calculators and practical utilities built to help people move faster with less friction.

Documents

2 tools

Reduce PDF size in your browser with simple presets for scanned and image-heavy documents.

Combine multiple PDF files in your browser, reorder them, and download one merged PDF.

1 tool

Convert between global currencies using current exchange rates from official central-bank-backed data.

2 tools

Calculate your BMI using height and weight in metric or imperial units.

Estimate daily calorie needs for maintenance, mild weight loss, or muscle gain in seconds.

1 tool

Check the IP address your current request is using, along with version and source details.