A growing toolbox for developers: format, validate and convert code, build regex patterns, generate UUIDs and commit messages — fast, private and free.
Everything a student needs to stay on top of grades, deadlines and study time — free online calculators that run right in your browser with no registration.
Run your freelance business like a pro: generate professional invoices, price your time correctly, and understand taxes and fees — all with free tools.
Understand your body and plan your fitness journey with accurate, free calculators for BMI, daily calories, TDEE, body fat and hydration.
Convert, resize, compress, crop and edit images directly in your browser. Supports PNG, JPG, JPEG, WebP, GIF, SVG, BMP and ICO.
No. All developer tools run entirely in your browser. Your code never leaves your device, which makes them safe for proprietary and sensitive source code.
Yes. The HTML to React converter transforms HTML markup into JSX components with proper camelCase attributes and self-closing tags.
Yes, and it handles nested objects, arrays, and minified JSON while letting you validate, minify and copy results in one click.
These are browser tools rather than an API. For programmatic use, export the formatter output and integrate it into your own CI pipeline.