Peregrine 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

Use Tool

Character Counter

Count characters with/without spaces

Use Tool

Case Converter

Convert text between cases

Use Tool

Lorem Ipsum Generator

Generate placeholder text

Use Tool

Text Diff

Compare two texts side by side

Use Tool

Remove Duplicates

Remove duplicate lines from text

Use Tool

Find & Replace

Find and replace text patterns

Use Tool

Text to Slug

Convert text to URL-friendly slugs

Use Tool

Remove Line Breaks

Clean up line breaks from text

Use Tool

Markdown to HTML

Convert Markdown to HTML

Use Tool

HTML to Markdown

Convert HTML to Markdown

Use Tool

Readability Score

Check text readability level

Use Tool

Calculator Tools

Percentage Calculator

Calculate percentages easily

Use Tool

Age Calculator

Calculate exact age from birthdate

Use Tool

Date Difference

Calculate days between dates

Use Tool

Unit Converter

Convert between measurement units

Use Tool

Timezone Converter

Convert between timezones

Use Tool

Tip Calculator

Calculate tips and split bills

Use Tool

BMI Calculator

Calculate Body Mass Index

Use Tool

Mortgage Calculator

Estimate monthly payments

Use Tool

Compound Interest

Calculate compound interest growth

Use Tool

Salary Calculator

Convert salary to hourly and back

Use Tool

GPA Calculator

Calculate grade point average

Use Tool

SEO & Marketing Tools

Meta Tag Generator

Generate SEO meta tags

Use Tool

Open Graph Preview

Preview Open Graph social cards

Use Tool

Robots.txt Generator

Generate robots.txt files

Use Tool

Sitemap Generator

Generate XML sitemaps

Use Tool

UTM Builder

Build UTM tracking URLs

Use Tool

QR Code Generator

Generate QR codes

Use Tool

Heading Checker

Check heading structure

Use Tool

Your data never leaves your device

Every tool processes data directly in your browser using JavaScript. Nothing is uploaded to any server. Your content stays private, always.

Lightning Fast

Client-side processing with zero upload wait

100% Private

Data never leaves your browser

Completely Free

No sign-up, no limits, no hidden fees