Writing Tools

Grammar, paraphrasing, and plagiarism checks — powered by your own backend.

Grammar Checker

Catch grammar, spelling, and style mistakes with one-click fixes.

Paraphrasing Tool

Rewrite text in a different style while keeping the meaning.

Plagiarism Checker

Check whether passages of text appear elsewhere on the web.

Explore related categories

Mortgage Calculator

See your monthly payment, total interest, and PMI risk for any home loan.

Loan Calculator

Monthly payment, total interest, and total cost for any fixed-rate loan.

BMI Calculator

Body mass index, WHO category, and your healthy weight range.

Percentage Calculator

Percent of a number, percent one number is of another, and percent change.

JSON Formatter & Validator

Format, validate, and minify JSON with precise error messages.

Word Counter

Words, characters, sentences, paragraphs, and reading time — live.

Merge PDF

Combine several PDF files into one, in any order.

Image Compressor

Shrink image file size with a live quality preview.