Extract MP3 from a video

Combine several PDFs into a single file.

Shrink a PDF so you can email it.

Turn your photos and scans into a PDF.

Convert each page of a PDF into an image.

Free QR code as PNG or SVG.

Make your JPG, PNG and WebP photos lighter.

Strong, random password.

Words, characters, social media limits.

Make a video lighter without visible loss.

Turn a video into an animated GIF.

Keep only the right part.

Find your BMI and its WHO category.

X% of Y, percent change and more.

Switch text case in one click.

Your exact age and next birthday.

Your daily calorie needs to lose, maintain or gain weight.

Your ideal weight and normal weight range.

How much water to drink each day.

The best bedtime or wake-up time.

Weighted average and the grade you need next.

Length, weight, volume, temperature and more.

Days between dates and date arithmetic.

Keep only the pages you need.

Rotate all pages or just a few.

Number the pages of your PDF.

Put a watermark on every page.

Remove the pages you don’t need.

Trim the margins of your PDF.

Lock your PDF with a password.

Unlock a PDF whose password you know.

Ovulation window and estimated due date.

Ovulation date and fertile window.

Your next periods at a glance.

How many weeks pregnant you are.

Estimate when conception happened.

Your daily macros in grams.