Tools for what you need to do, that never upload your files

Combine several PDF files into a single document.

Cut one PDF into several smaller documents.

Shrink a PDF by re-encoding the images inside it.

Turn photos and scans into one PDF document.

Render PDF pages to JPG or PNG images.

Turn pages the right way up and save them that way.

Remove the pages you do not want and keep the rest.

Make images smaller with a quality slider you control.

Hit an exact file size limit, like 100 KB or 2 MB.

Change pixel dimensions, by size or by percentage.

Convert between JPG, PNG, WebP, AVIF and BMP.

Cut an image to the exact area you want.

Open iPhone photos on any device.

Fit a photo to official ID dimensions and size limits.

Every percentage question in one place.

Exact age in years, months and days.

Monthly payment, total interest and full amortisation.

How long between two dates, in every unit.

Work out what to save each month to hit a target.

Compare avalanche and snowball across all your debts.

Project a pension pot and the income it pays.

Cost a journey in litres per 100 km or mpg.

See what an appliance costs to run.

Split a bill evenly or by what each person had.

What you need on the final, and what it gets you.

Body mass index in metric or imperial, with the caveats.

Due date from a period, a scan or an IVF transfer.

Next periods and fertile window, on a calendar.

AHA and ESC categories from averaged readings.

How much water a day, from weight and activity.

Bedtimes and wake times in whole sleep cycles.

Basal rate and daily calories, by three equations.

Split daily calories into protein, carbs and fat.

Four ideal weight formulas, and how far they differ.

Length, weight, volume, area, speed, pressure and more.

Words, characters, sentences and reading time as you type.

UPPERCASE, lowercase, Title Case, camelCase and more.

See exactly what changed between two texts.

Format, validate, minify and explore JSON.

Encode and decode Base64, including UTF-8 and URL-safe.

SHA-256, SHA-512, SHA-1 and MD5 for text or files.

Free, permanent QR codes with no tracking redirect.

Strong random passwords and passphrases.

One source, five styles, correct punctuation.

Split a list of names into fair teams.

Draw Secret Santa pairs with exclusions.

Words per minute, scored per character.

Turn an .xlsx workbook into CSV files.

Turn CSV or pasted rows into a real .xlsx workbook.

Open, sort, filter and fix a CSV without a spreadsheet.

Fix text pasted out of Word, a PDF or an email.

Build an HTML signature that survives Outlook.

Find a meeting time that works across time zones.

Count business days, or find a deadline.

Add up a week of hours, breaks and overtime.

Add or remove VAT, GST or sales tax from an amount.

Convert between margin and markup, with the formulas.

Trim the margins off PDF pages.

Print 2, 4, 6 or 9 pages on a single sheet.

Read, edit or strip the hidden information in a PDF.

Convert pages to A4, Letter or any custom size.

Round profile pictures with a transparent background.

Frames, padding and social-safe square canvases.

Decode a data URI back into a real image file.

Add, subtract, multiply and divide fractions — with the steps.

Mean, median, mode, range and sum from a list of numbers.

Variance, standard deviation and the rest of the summary.

Add tax, remove tax, or find the rate.

Roots, discriminant, vertex and the worked steps.