Merge, split, compress and password-protect PDFs for free. Files are processed entirely in your browser — nothing is uploaded, and there are no limits.
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.
A growing toolbox for developers: format, validate and convert code, build regex patterns, generate UUIDs and commit messages — fast, private and free.
Understand your body and plan your fitness journey with accurate, free calculators for BMI, daily calories, TDEE, body fat and hydration.
Yes. The PDF merge tool lets you reorder files before combining them into a single PDF, all processed locally in your browser.
The PDF compressor reduces file size by optimizing images and resources, giving you a downloadable result without uploading your file.
Yes. The PDF protect tool encrypts your PDF with user and owner passwords so it cannot be opened or edited without permission.
No hard limits — processing happens in your browser. Very large files may take longer on slower devices.