12 tools
QR & Utilities
QR codes, barcodes and everyday validators.
Barcode Generator
Create Code 128, Code 39, EAN and UPC barcodes.
Email Address Validator
Check email syntax and catch common domain typos.
Email QR Code Generator
Create a mailto QR code with a prepared message.
File Size Converter
Turn a byte count into a human-readable size.
HTML Color Code Reference
Browse named colours with HEX, RGB and HSL values.
HTTP Status Codes Reference
Look up what any HTTP status code means.
IP Address Validator
Validate and classify IPv4 and IPv6 addresses.
List Randomizer and Name Picker
Shuffle a list, draw winners or make random teams.
MIME Type Lookup
Find the MIME type for a file extension, or the reverse.
QR Code Generator
Create a QR code for any text or URL, with SVG and PNG export.
URL QR Code Generator
Turn a link into a QR code with a validation step.
Wi-Fi QR Code Generator
Let guests join your network by scanning a code.
About QR & Utilities
Create QR codes for links, Wi-Fi and email, generate barcodes, convert file sizes, look up MIME types and validate IP addresses or email syntax.
Every tool on this page is free and requires no account. Where a tool can run entirely in the browser, it does: your input is not sent to a server, and no copy is stored.