Peregrine falcon logoPeregrine Kit
Free · No sign-up · 100% private

The fastest utility tools
on the web

Text tools, calculators, and SEO utilities. Instantly. In your browser.

Text Tools

Word Counter

Count words, characters, and sentences

Character Counter

Count characters with/without spaces

Case Converter

Convert text between cases

Lorem Ipsum Generator

Generate placeholder text

Text Diff

Compare two texts side by side

Remove Duplicates

Remove duplicate lines from text

Find & Replace

Find and replace text patterns

Text to Slug

Convert text to URL-friendly slugs

Remove Line Breaks

Clean up line breaks from text

Markdown to HTML

Convert Markdown to HTML

HTML to Markdown

Convert HTML to Markdown

Readability Score

Check text readability level

Calculator Tools

Percentage Calculator

Calculate percentages easily

Age Calculator

Calculate exact age from birthdate

Date Difference

Calculate days between dates

Unit Converter

Convert between measurement units

Timezone Converter

Convert between timezones

Tip Calculator

Calculate tips and split bills

BMI Calculator

Calculate Body Mass Index

Mortgage Calculator

Estimate monthly payments

Compound Interest

Calculate compound interest growth

Salary Calculator

Convert salary to hourly and back

GPA Calculator

Calculate grade point average

SEO & Marketing Tools

Meta Tag Generator

Generate SEO meta tags

Open Graph Preview

Preview Open Graph social cards

Robots.txt Generator

Generate robots.txt files

Sitemap Generator

Generate XML sitemaps

UTM Builder

Build UTM tracking URLs

QR Code Generator

Generate QR codes

Heading Checker

Check heading structure

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