Free online web utilities

Lets you pick an emoji and download it as a favicon package.

Makes a favicon from letters or initials with chosen font and colors.

Builds @font-face kits from uploaded font files with subsetting options.

Barcode maker for EAN, UPC, Code 128, Code 39, ISBN, QR and DataMatrix.

Creates a QR code from a URL and offers it as a download.

Creates QR codes from text or URLs, interface in Portuguese.

Checks whether a Gmail alias is set up correctly.

Creates Gmail dot-trick and plus-address variants of an address.

Downloads Google Fonts for self-hosting along with the matching CSS.

Free QR code generator for URLs, text and contact cards with print-ready exports.

Official questionnaire that tells a visitor which UK visa applies.

Official lookup of a vehicle's MOT test history by registration number.

Official check of whether a UK vehicle is currently taxed.

Bulk checks URLs and shows status codes, response headers and redirect chains.

Official registration data lookup for domain names using RDAP.

Generates app icons for Android, iOS and the web from an image, text or clip art.

Displays your public IP address and request headers.

Encodes an image file as a Base64 string or data URI for embedding in HTML or CSS.

Checks the health and configuration of a domain's DNS and mail servers.

Long-running IP calculator that prints netmask, wildcard and binary forms and can split a network.

Shows your public IPv4 and IPv6 address.

Looks up the location, ISP, time zone and network details of an IP address.

Looks up where an IP address is located using several geolocation databases.

Fetches a URL and prints the HTTP response headers it returns.