#Tutorial
QR & Barcode
How to Create a Custom QR Code for Free (URL, Wi-Fi, vCard & More)
Generate a QR code for a link, Wi-Fi network, or contact card, customize its color and size, and download it in seconds.
Security Tools
How Strong Is Your Password? Free Password Strength Checker
Type any password to see its strength score in real time, exactly which security criteria it passes or fails, and specific tips to make it stronger.
PDF Tools
How to Merge Multiple PDF Files Into One Document (Free & Online)
Combine several PDF files - contracts, scanned pages, reports - into a single, well-ordered document in seconds.
FeaturedImage Tools
How to Resize Images Online Without Losing Quality (Free Tool)
Resize photos and graphics to any exact dimension - or a ready-made preset like 1080p or Instagram square - directly in your browser, for free.
FeaturedDeveloper Tools
JSON Formatter: How to Format, Validate and Minify JSON Online
Paste messy or minified JSON and get a readable, indented, collapsible tree view instantly - plus one-click validation and minification.