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Guides that get you unstuck.
Straight answers to common questions about PDFs, images, QR codes and writing, with the exact steps to get it done and a free tool to do it in your browser.
How to Reduce PDF File Size for Email
PDF too big to email? Learn the real attachment limits for Gmail and Outlook, why PDFs get large, and how to shrink one quickly without ruining quality.
How to Resize a Photo for a Passport or Visa Application
Get the right size, shape and file size for an online passport or visa photo. Common dimensions, pixel sizes and a step-by-step crop and resize method.
How to Merge PDF Files on iPhone and iPad
Three free ways to combine PDFs on an iPhone or iPad: the built-in Files app, a browser tool that never uploads your files, and the Shortcuts app.
JPG vs PNG vs WebP: Which Image Format Should You Use?
A plain-English comparison of JPG, PNG and WebP: how each one compresses, when transparency matters, browser support, and which to pick for photos, logos and websites.
How to Compress Images for a Website (Without Losing Quality)
Make your pages load faster: resize images to the size they’re displayed, choose the right format, compress to sensible targets and lazy-load the rest.
How to Make a Wi-Fi QR Code So Guests Can Connect Instantly
Create a QR code that joins your Wi-Fi with one scan. Find your network name and security type, generate the code, print it, and keep your network safe.
How to Password Protect a PDF (Free, Without Uploading It)
Lock a PDF with a password using AES-256 encryption. Learn the difference between open and permission passwords, how to share the password safely, and what protection can’t do.
How Many Words Is a 5-Minute Speech?
A 5-minute speech is about 650–750 words at a natural pace. See word counts for 1 to 20 minutes, what changes your pace, and how to time your own script.