Practical guides
Short, practical articles on the everyday tasks our tools solve — how it works, what to watch out for, and the habits that save you time. Written by the ToolFox team, no fluff.
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Merge PDF files
A practical guide to combining PDF files in your browser: reorder pages, keep quality, avoid the common pitfalls — and why browser-based merging is the privacy-safe choice. 🖼️ Compress images
Why photos are huge, which format to choose (JPG, PNG or WebP), what resolution websites actually need, and a repeatable workflow for shrinking images in your browser. 🔳 QR code guide
What QR codes actually encode, how to generate one that scans reliably (size, contrast, error correction), how to scan without an app, and how to spot malicious codes. 🔐 Strong passwords
Why length beats complexity, what makes a password weak despite looking strong, the passphrase method, and a simple system for managing dozens of accounts without reusing passwords.
A practical guide to combining PDF files in your browser: reorder pages, keep quality, avoid the common pitfalls — and why browser-based merging is the privacy-safe choice. 🖼️ Compress images
Why photos are huge, which format to choose (JPG, PNG or WebP), what resolution websites actually need, and a repeatable workflow for shrinking images in your browser. 🔳 QR code guide
What QR codes actually encode, how to generate one that scans reliably (size, contrast, error correction), how to scan without an app, and how to spot malicious codes. 🔐 Strong passwords
Why length beats complexity, what makes a password weak despite looking strong, the passphrase method, and a simple system for managing dozens of accounts without reusing passwords.