A collection of simple web tools.

All tools

Average calculator

Calculate the mean, median, mode and range of numbers

Browser info

See details about the browser and device you're using

Calculator

A simple calculator for everyday sums

Colour converter

Convert colours between hex, RGB, CMYK, HSV and HSL formats

Colour palette generator

Generate colour palettes from a colour wheel using colour harmonies

CORS checker

Test how a URL responds to cross-origin requests

DNS lookup

Look up DNS records for any hostname

Fuel calculator

Work out how much a trip will cost in fuel

Hash generator

Generate MD5, SHA-1, SHA-256 and other hashes instantly

HTTP header checker

Check the HTTP headers returned by any URL

Sign-in required

Image converter

Convert images between formats like PNG, JPG and WebP

Sign-in required

Income and bills tracker

Track your incomings and outgoings at a glance

IP address finder

Find your public IPv4 and IPv6 address

JSON formatter

Format, validate and minify JSON in seconds

Sign-in required

Link crawler

Crawl your entire site to find broken links fast

Sign-in required

Link shortener

Shorten long links into short, shareable URLs

Lorem ipsum generator

Generate placeholder text for mockups and layouts

Meta tag checker

Check a page's title, description and SEO meta tags

MX lookup

Look up MX records to check a domain's mail setup

Open Graph checker

Preview how a page looks when shared on social media

Password generator

Generate a strong, memorable password in seconds

Percentage calculator

Work out percentages, discounts and changes fast

Preference revealer

Rank options against each other to find your favourite

QR code generator

Generate a QR code from any text or URL

Redirect checker

Trace the full chain of redirects for any URL

Regex tester

Test regular expressions with live match highlighting

SSL checker

Check SSL certificates, chain, expiry and TLS config

Sign-in required

Uptime monitor

Get alerted the moment your sites go down

UTM URL builder

Build tracked links for Google Analytics campaigns

WHOIS lookup

Look up a domain's registrar, owner and expiry date

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If you find any of these tools useful – or if you have any suggestions – please let me know.